🔱 Progress for 1000-1400 click
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codeforce
Codeforces progress
cofo problem
Visualizing how much time I spend on each problem and analyze how much time took to each section like below understand :...
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codeforce 1000-1400
COFO::Progress for 1000-1400
cofo progress
changed to 2023
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codeforce 1900
COFO::1818D Fish Graph
cofo problem
COFO::1818D Fish Graph Link : COFO::1818D Finding Cycle Problem level : 1900 tag : brute force, dfs...
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codeforce 1800
COFO::1637D Yet Another Minimization Problem
cofo problem
COFO::1637D Yet Another Minimization Problem Link : COFO::1637D Problem level : 1800 tag : dp, greedy, math TIME...
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codeforce 1600
COFO::1721D Maximum AND
cofo problem
COFO::1721D Maximum AND Link : COFO::1721D Problem level : 1800 tag : bitmasks, dfs and similar, divide and...
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codeforce 1600
COFO::1678B2 Tokitsukaze and Good 01-String (hard version)
cofo problem
COFO::1678B2 Link : COFO::1678B2 Problem level : 1800 tag : dp, greedy, implementation TIME to understand :...
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codeforce 1600
COFO::1728D Letter Picking
cofo problem
COFO::1728D Letter Picking Link : COFO::1728D Problem level : 1800 tag : constructive algorithms, dp, games, two pointers...
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codeforce 1600
COFO::1729E Guess the Cycle Size
cofo problem
COFO::1729E Guess the cycle size Link : COFO::1729E Problem level : 1800 tag : interactive, probabilities TIME ...
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codeforce 1600
COFO::1243B2 Character Swap(Hard Version)
cofo problem
COFO::1243B2 Character Swap(Hard Version) Link : COFO::1243B2 Problem level : 1600 tag : strings TIME to understand...
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codeforce 1600
COFO::1284C New Year and Permutation
cofo problem
COFO::1284C New Year and Permutation Link : COFO::1284C Problem level : 1600 tag : combinatorics, math TIME ...
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codeforce 1600
COFO::1295C Obtain the string
cofo problem
COFO::1295C Obtain the string Link : COFO::1295C Problem level : 1600 tag : dp, greedy, strings TIME ...
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codeforce 1600
COFO::1294D MEX maximizing
cofo problem
COFO::1294D MEX maximizing Link : COFO::1294D Problem level : 1600 tag : data structures, greedy, implementation, math TIME...
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codeforce 1600
COFO::1303C Perfect Keyboard
cofo problem
COFO::1303C Perfect Keyboard Link : COFO::1303C Problem level : 1600 tag : dfs and similar, greedy, implementation TIME...
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codeforce 1600
COFO::1305C Kuroni and Impossible Calculation
cofo problem
COFO::1305C Kuroni and Impossible Calculation Link : COFO::1305C Problem level : 1600 tag : brute force, combinatorics, math,...
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codeforce 1600
COFO::1337C Linova and Kingdom
cofo problem
COFO::1337C Linova and Kingdom Link : COFO::1337C Problem level : 1600 tag : dfs and similar, dp, greedy,...
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codeforce 1600
COFO::1349A Orac and LCM
cofo problem
COFO::1349A Orac and LCM Link : COFO::1349A Problem level : 1600 tag : data structures, math, number theory...
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codeforce 1600
COFO::1374E1 Reading Books
cofo problem
COFO::1374E1 Reading Books Link : COFO::1374E1 Problem level : 1600 tag : data structures, greedy, sortings TIME ...
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codeforce 1600
COFO::1469C Building a Fence
cofo problem
COFO::1469C Building a Fence Link : COFO::1469C Problem level : 1600 tag : dp, greedy, implementation, two pointers...
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codeforce 1600
COFO::1795D Triangle Coloring
cofo problem
COFO::1795D Triangle Coloring Link : COFO::1795D Problem level : 1600 tag : combinatroics, math TIME to understand...
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codeforce 1600
COFO::1476C Longest Simple Cycle
cofo problem
COFO::1476C Longest Simple Cycle Link : COFO::1476C Problem level : 1600 tag : dp, graphs, greedy TIME ...
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codeforce 1600
COFO::1486C1 Guessing the Greatest (easy version)
cofo problem
COFO::1486C1 Guessing the Greatest Link : COFO::1486C1 previous Problem level : 1600 tag : binary search, interactive...
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codeforce 1600
COFO::1520F1 Guess the K-th Zero (Easy version)
cofo problem
COFO::1520F1 Guess the K-th Zero (Easy version) Link : COFO::1520F1 Problem level : 1600 tag : binary search,...
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codeforce 1600
COFO::1498C Planar Reflections
cofo problem
COFO::1498C Planar Reflections Link : COFO::1498C Problem level : 1600 tag : brute force, data structures, dp TIME...
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codeforce 1600
COFO::1609D Social Network
cofo problem
COFO::1609D Social Network Link : COFO::1609D Problem level : 1600 tag : dsu, graphs, greedy, implementation, trees TIME...
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codeforce 1600
COFO::1537E1 Erase and Extend (Easy Version)
cofo problem
COFO::1537E1 Erase and Extend (Easy Version) Link : COFO::1537E1 Problem level : 1600 tag : binary search, brute...
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codeforce 1600
COFO::1771C Hossam and Trainees
cofo problem
COFO::1771C Hossam and Trainees Link : COFO::1771C Problem level : 1600 tag : greedy, math, number theory TIME...
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codeforce 1600
COFO::1776D Lucky Chains
cofo problem
COFO::1766D Lucky Chains Link : COFO::1766D Problem level : 1600 tag : math, number theory TIME to...
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codeforce 1600
COFO::1658D1 388535 (Easy Version)
cofo problem
COFO::1658D1 388535 (Easy version) Link : COFO::1658D1 Problem level : 1600 tag : bitmasks, math TIME to...
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codeforce 1600
COFO::1779C Least Prefix Sum
cofo problem
COFO::1779C Least Prefix Sum Link : COFO::1779C Problem level : 1600 tag : data structtures, greedy TIME ...
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codeforce 1600
COFO::1778C Flexible String
cofo problem
COFO::1778C Flexible String Link : COFO::1778C Problem level : 1600 tag : TIME to understand : to...
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codeforce 1600
COFO::1775C Interesting Sequence
cofo problem
COFO::1775C Interesting Sequence Link : COFO::1775C Problem level : 1600 tag : bit masks, math TIME to...
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codeforce 1600
COFO::1774D Same Count One
cofo problem
COFO::1774D Same Count One Link : COFO::1774D Problem level : 1600 tag : brute force, constructive algorithms, greedy,...
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codeforce 1600
COFO::1321C Remove Adjacent
cofo problem
COFO::1321C Remove Adjacent Link : COFO::1321C Problem level : 1600 tag : brute force, constructive algorithms, greedy, strings...
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codeforce 1600
COFO::1342C Yet Another Counting Problem
cofo problem
COFO::1342C Yet Another Counting Problem Link : COFO::1342C Problem level : 1600 tag : math, number theory TIME...
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codeforce 1600
COFO::1334C Circle of Monsters
cofo problem
COFO::1334C Circle of Monsters Link : COFO::1334C Problem level : 1600 tag : brute force, constructive algorithms, greedy,...
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codeforce 1600
COFO::1358C Celex Update
cofo problem
COFO::1358C Celex Update Link : COFO::1358C Problem level : 1600 tag : math TIME to understand :...
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codeforce 1600
COFO::1363C Game on Leaves
cofo problem
COFO::1363C Game on Leaves Link : COFO::1363C Problem level : 1600 tag : games, trees TIME to...
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codeforce 1600
COFO::1452D Radio Towers
cofo problem
COFO::1452D Radio Towers Link : COFO::1452D Problem level : 1600 tag : combinatorics, dp, math TIME to...
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codeforce 1600
COFO::1373D Maximum Sum on Even Positions
cofo problem
COFO::1373D Maximum Sum on Even Positions Link : COFO::1373D Problem level : 1600 tag : divide and conquer,...
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codeforce 1600
COFO::1389B Array Walk
cofo problem
COFO::1389B Array Walk Link : COFO::1389B Problem level : 1600 tag : brute force, dp, greedy TIME ...
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codeforce 1600
COFO::1437D Minimal Height Tree
cofo problem
COFO::1437D Minimal Height Tree Link : COFO::1437D Problem level : 1600 tag : graphs, greedy, shortest paths, trees...
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codeforce 1600
COFO::1458A Row GCD
cofo problem
COFO::1458A Row GCD Link : COFO::1458A LINK FOR GCD Problem level : 1600 tag : math, number...
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codeforce 1600
COFO::1455D Sequence and Swaps
cofo problem
COFO::1455D Sequence and Swaps Link : COFO::1455D Problem level : 1600 tag : dp, greedy, sortings TIME ...
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codeforce 1600
COFO::1461D Divide and Summarize
cofo problem
COFO::1461D Divide and Summarize Link : COFO::1461D Problem level : 1600 tag : binary search, brute force, data...
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codeforce 1600
COFO::1475E Advertising Agency
cofo problem
COFO::1475E Advertising Agency Link : COFO::1475E Problem level : 1600 tag : combinatorics, math, sortings TIME to...
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codeforce 1600
COFO::1482C Basic Diplomacy
cofo problem
COFO::1482C Basic Diplomacy Link : COFO::1482C Problem level : 1600 tag : brute force, constructive algorithm, greedy, implementation...
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codeforce 1600
COFO::1607E Robot on the Board 1
cofo problem
COFO::1607E Robot on the Board1 Link : COFO::1607E Problem level : 1600 tag : implementation TIME to...
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codeforce 1600
COFO::1566D2 Seating Arrangements (hard version)
cofo problem
COFO::1566D2 Seating Arrangements (hard version) Link : COFO::1566D2 Problem level : 1600 tag : data structrues, greedy, implementation,...
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codeforce 1600
COFO::1612D X-Magic Pair
cofo problem
COFO::1612D X-Magic Pair Link : COFO::1612D Link : Harisam youtube Problem level : 1600 tag : math,...
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codeforce 1600
COFO::1660E Matrix and Shifts
cofo problem
COFO::1660E Matrix and Shifts Link : COFO::1660E Problem level : 1600 tag : brute force, constructive algorithms, greedy,...
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codeforce 1600
COFO::1615C Menorah
cofo problem
COFO::1615C Menorah Link : COFO::1615C Problem level : 1600 tag : brute force, graphs, greedy, math TIME ...
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codeforce 1600
COFO::1665C Tree Infection
cofo problem
COFO::1665 Tree Infection Link : COFO::1665 Problem level : 1600 tag : binary search, greedy, sortings, tree TIME...
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codeforce 1600
COFO::1671D Insert a Progression
cofo problem
COFO::1671D Insert a Progression Link : COFO::1671D Problem level : 1600 tag : brute force, constructive algorithms, greedy...
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codeforce 1600
COFO::1677A Tokitsukaze and Strange Inequality
cofo problem
COFO::1677A Tokitsukaze and Strange Inequality Link : COFO::1677A Problem level : 1600 tag : brute force, data structures,...
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codeforce 1600
COFO::1730B Meeting on the Line
cofo problem
COFO::1730B Meeting on the Line Link : COFO::1730B Problem level : 1600 tag : binary search, geometry, greedy,...
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codeforce 1600
COFO::1722E Counting Rectangles
cofo problem
COFO::1722E Counting Rectangles Link : COFO::1722E Problem level : 1600 tag : brute force, data structures, dp, implementation...
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codeforce 1600
COFO::1741E Sending a Sequence Over the Network
cofo problem
COFO::1741E Sending a Sequence Over the Network Link : COFO::1741E Problem level : 1600 tag : dp TIME...
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codeforce 1600
COFO::1753B Factorial Divisibility
cofo problem
COFO::1753B Factorial Divisibility Link : COFO::1753B Problem level : 1600 tag : math, number theory TIME to...
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codeforce 1600
COFO::1748C Zero-Sum Prefixes
cofo problem
COFO::1748C Zero-Sum Prefixes Link : COFO::1748C Problem level : 1600 tag : brute force, data structures, dp, greedy,...
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codeforce 1600
COFO::372A Counting Kangaroos is Fun
cofo problem
COFO::372A Counting Kangaroos is Fun Link : COFO::372A Problem level : 1600 tag : binary search, greedy, sortings,...
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codeforce 1600
COFO::371C Hamburgers
cofo problem
COFO::371C Hamburgers Link : COFO::371C Problem level : 1600 tag : binary search, brute force TIME to...
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codeforce 1600
COFO::429B Working out
cofo problem
COFO::429B Working out Link : COFO::429B Problem level : 1600 tag : dp TIME to understand :...
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codeforce 1600
COFO::377A Maze
cofo problem
COFO::377A Maze Link : COFO::377A Problem level : 1600 tag : dfs and similar TIME to understand...
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codeforce 1600
COFO::431C K-tree
cofo problem
COFO::431C k-tree Link : COFO::431C Problem level : 1600 tag : dp, implementation, trees TIME to understand...
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codeforce 1600
COFO::446A DZY Loves Sequences
cofo problem
COFO::446A DZY Loves Sequences Link : COFO::446A Problem level : 1600 tag : dp, implementation, two pointers TIME...
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codeforce 1600
COFO::500B New Year Permutation
cofo problem
COFO::500B New Year Permutation Link : COFO::500B Problem level : 1600 tag : dfs and similar, dsu, graphs,...
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codeforce 1600
COFO::559A Gerald's Hexagon
cofo problem
COFO::559A Gerald’s Hexagon Link : COFO::559A Problem level : 1600 tag : brute force, geometry, math TIME ...
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codeforce 1600
COFO::518A Vitaly and Strings
cofo problem
COFO::518A Vitaly and Strings Link : COFO::518A Problem level : 1600 tag : constructive algorithms, strings TIME ...
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codeforce 1600
COFO::601A The Two Routes
cofo problem
COFO::601A The Two Routes Link : COFO::601A Problem level : 1600 tag : graphs, shortest paths TIME ...
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codeforce 1600
COFO::570C Replacement
cofo problem
COFO::570C Replacement Link : COFO::570C Problem level : 1600 tag : constructive algorithms, data structures, implementation TIME ...
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codeforce 1600
COFO::659E New Reform
cofo problem
COFO::659E New Reform Link : COFO::659E Problem level : 1600 tag : data structures, dfs and similar, dsu,...
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codeforce 1600
COFO::660C Hard Process
cofo problem
COFO::660C Hard Process Link : COFO::660C Problem level : 1600 tag : binary search, dp, two pointers TIME...
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codeforce 1600
COFO::678C Joty and Chocolate
cofo problem
COFO::678C Joty and Chocolate Link : COFO::678C Problem level : 1600 tag : implementation, math, number theory TIME...
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codeforce 1600
COFO::704A Thor
cofo problem
COFO::704A Thor Link : COFO::704A Problem level : 1600 tag : brute force, data structures, implementation TIME ...
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codeforce 1600
COFO::706C Hard problem
cofo problem
COFO::706C Hard problem Link : COFO::706C Problem level : 1600 tag : dp, strings TIME to understand...
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codeforce 1600
COFO::722C Destroying Array
cofo problem
COFO::722C Destroying Array Link : COFO::722C Problem level : 1600 tag : data structures, dsu TIME to...
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codeforce 1600
COFO::735D Taxes
cofo problem
COFO::735D Taxes Link : COFO::735D Link : Goldbach’s conjecture Problem level : 1600 tag : math, number...
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codeforce 1600
COFO::1481C Fence Painting
cofo problem
COFO::1481C Fence Painting Link : COFO::1481C Problem level : 1600 tag : brute force, constructive algorithms, greedy TIME...
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codeforce 1600
COFO::1530D Secret Santa
cofo problem
COFO::1530D Secret Santa Link : COFO::1530D Problem level : 1600 tag : constructive algorithms, flows, graphs, greedy, math...
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codeforce 1600
COFO::1512E Permutation by Sum
cofo problem
COFO::1512E Permutation by Sum Link : COFO::1512E Problem level : 1600 tag : brute force, greedy, math TIME...
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codeforce 1600
COFO::1288C Two Arrays
cofo problem
COFO::1288C Two Arrays Link : COFO::1288C dp reference youtubue Problem level : 1600 tag : combinatorics, dp...
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codeforce 1600
COFO::1582D Vupsen, Pupsen and 0
cofo problem
COFO::1582D Vupsen, Pupsen and 0 Link : COFO::1582D Problem level : 1600 tag : constructive algorithms, math TIME...
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codeforce 1600
COFO::1527C Sequence Pair Weight
cofo problem
COFO::1527C Sequence Pair Weight Link : COFO::1527C Problem level : 1600 tag : hashing, implementation, math TIME ...
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codeforce 1600
COFO::1707A Doremy's IQ
cofo problem
COFO::1707A Doremy’s IQ Link : COFO::1707A Problem level : 1600 tag : binary search, constructive algorithms, greedy, implementation...
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codeforce 1600
COFO::1503A Balance the Bits
cofo problem
COFO::1503A Balance the Bits Link : COFO::1503A Problem level : 1600 tag : constructive algorithms, greedy TIME ...
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codeforce 1600
COFO::1511D Min Cost String
cofo problem
COFO::1511D Min Cost String Link : COFO::1511D Problem level : 1600 tag : brute force, constructive algorithms, graphs,...
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codeforce 1600
COFO::1513C Add one
cofo problem
COFO::1513C Add one Link : COFO::1513C Problem level : 1600 tag : dp, matrices TIME to understand...
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codeforce 1600
COFO::1514C Product 1 Modulo N
cofo problem
COFO::1514C Product 1 Modulo N Link : COFO::1514C Problem level : 1600 tag : greedy, number theory TIME...
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codeforce 1600
COFO::1523C Compression and Expansion
cofo problem
COFO::1532C Compression and Expansion Link : COFO::1523C Problem level : 1600 tag : brute force, data structures, greedy,...
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codeforce 1600
COFO::1519D Maximum Sum of Products
cofo problem
COFO::1519D Maximum Sum of Products Link : COFO::1519D Problem level : 1600 tag : brute force, dp, implementation,...
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codeforce 1600
COFO::1528A Parsa's Humongous Tree
cofo problem
COFO::1528A Parsa’s Humongous Tree Link : COFO::1528A Problem level : 1600 tag : dfs and similar, divide and...
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codeforce 1600
COFO::1542C Strange Function
cofo problem
COFO::1542C Strange Function Link : COFO::1542C Problem level : 1600 tag : math, number theory TIME to...
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codeforce 1600
COFO::1539D PriceFixed
cofo problem
COFO::1539D PriceFixed Link : COFO::1539D Problem level : 1600 tag : binary search, greedy, implementation, sortings, two pointers...
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codeforce 1600
COFO::1567C Carrying Conundrum
cofo problem
COFO::1567C Carrying Conundrum Link : COFO::1567C Problem level : 1600 tag : bitmasks, combinatorics, dp, math TIME ...
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codeforce 1600
COFO::1555D Say No to Palindromes
cofo problem
COFO::1555D Say No to Palindromes Link : COFO::1555D Problem level : 1600 tag : brute force, constructive algorithms,...
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codeforce 1600
COFO::1593E Gardner and Tree
cofo problem
COFO::1593E Gardner and Tree Link : COFO::1593E Problem level : 1600 tag : brute force, data structures, dfs...
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codeforce 1600
COFO::1603B Moderate Modular Mode
cofo problem
COFO::1603B Moderate Modular Mode Link : COFO::1603B Problem level : 1600 tag : constructive algorithms, math, number theory...
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codeforce 1600
COFO::1623C Balanced Stone Heaps
cofo problem
COFO::1623C Balanced Stone Heaps Link : COFO::1623C Problem level : 1600 tag : binary search, greedy TIME ...
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codeforce 1600
COFO::1622C Set or Decrease
cofo problem
COFO::1622C Set or Decrease Link : COFO::1622C Problem level : 1600 tag : binary search, brute force, greedy,...
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codeforce 1600
COFO::1610C Keshi Is Throwing a Party
cofo problem
COFO::1610C Keshi Is Throwing a Party Link : COFO::1610C Problem level : 1600 tag : binary search, greedy...
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codeforce 1600
COFO::1660D Maximum Product Strikes
cofo problem
COFO::1660D Maximum Product Strikes Link : COFO::1660D Problem level : 1600 tag : brute force, implementation, math, two...
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codeforce 1600
COFO::1632C Strange Test
cofo problem
COFO::1632C Strange Test Link : COFO::1632C Problem level : 1600 tag : binary search, bitmasks, brute force, dp,...
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codeforce 1600
COFO::1687A The Enchanted Forest
cofo problem
COFO::1687A The Enchanted Forest Link : COFO::1687A Problem level : 1600 tag : brute force, greedy TIME ...
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codeforce 1600
COFO::1680C Binary String
cofo problem
COFO::1680C Binary String Link : COFO::1680C Problem level : 1600 tag : binary search, greedy, strings, two pointers...
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codeforce 1600
COFO::780C Andryusha and Colored Balloons
cofo problem
COFO::780C Andryusha and Colored Balloons Link : COFO::780C Problem level : 1600 tag : dfs and similar, graphs,...
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codeforce 1600
COFO::788A Functions again
cofo problem
COFO::788A Functions again Link : COFO::788A Problem level : 1600 tag : dp, two pointers TIME to...
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codeforce 1600
COFO::1251C Minimize The Integer
cofo problem
COFO::1251C Minimize The Integer Link : COFO::1251C Problem level : 1600 tag : greedy, two pointers TIME ...
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codeforce 1600
COFO::1217B Zmei Gorynhich
cofo problem
COFO::1217B Zmei Gorynich Link : COFO::1217B Problem level : 1600 tag : greedy, math TIME to understand...
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codeforce 1600
COFO::1633D Make Them Equal
cofo problem
COFO::1633D Make Them Equal Link : COFO::1633Dhttps://codeforces.com/problemset/problem/1633/D Problem level : 1600 tag : dp, greedy TIME to...
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codeforce 1600
COFO::1689C Infected Tree
cofo problem
COFO::1689C Infected Tree Link : COFO::1689C Problem level : 1600 tag : dfs and similar, dp, trees TIME...
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codeforce 1400
COFO::1351C Skier
cofo problem
COFO::1351C Skier Link : COFO::1351C Problem level : 1400 tag : data structures, implementation TIME to understand...
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codeforce 1500
COFO::1338A Powered Addition
cofo problem
COFO::1338A Powered Addition Link : COFO::1338A Problem level : 1500 tag : greedy, math TIME to understand...
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codeforce 1400
COFO::1320A Journey Planning
cofo problem
COFO::1320A Journey Planning Link : COFO::1320A Problem level : 1400 tag : data structures, dp, greedy, math, sortings...
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codeforce 1400
COFO::1316B String Modification
cofo problem
COFO::1316B String Modification Link : COFO::1316B Problem level : 1400 tag : brute force, constructive algorithms, implementation, sortings,...
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codeforce 1500
COFO::1304C Air Conditioner
cofo problem
COFO::1304C Air Conditioner Link : COFO::1304C Problem level : 1500 tag : dp, greedy, implementation, sortings, two pointers...
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codeforce 1400
COFO::1330B Dreamoon Likes Permutations
cofo problem
COFO::1330B Dreamoon Likes Permutations Link : COFO::1330B Problem level : 1400 tag : implementation, math TIME to...
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codeforce 1300
COFO::1322A Unusual Competitions
cofo problem
COFO::1322A Unusual Competitions Link : COFO::1322A Problem level : 1300 tag : greedy TIME to understand :...
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codeforce 1400
COFO::1324D Pair of Topics
cofo problem
COFO::1324D Pair of Topics Link : COFO::1324D Problem level : 1400 tag : binary search, data structures, sortings,...
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codeforce 1500
COFO::1272D Remove One Element
cofo problem
COFO::1272D Remove One Element Link : COFO::1272D Problem level : 1500 tag : brute force, dp TIME ...
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codeforce 1400
COFO::1189C Candies!
cofo problem
COFO::1189C Candies! Link : COFO::1189C Problem level : 1400 tag : data structures, dp, implementation, math TIME ...
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codeforce 1500
COFO::1278B A and B
cofo problem
COFO::1278B A and B Link : COFO::1278B Problem level : 1500 tag : greedy, math TIME to...
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codeforce 1300
COFO::1307B Cow and Friend
cofo problem
COFO::1307B Cow and Friend Link : COFO::1307B Problem level : 1300 tag : geometry, greedy, math TIME ...
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codeforce 1500
COFO::1256D Binary String Minimizing
cofo problem
COFO::1256D Binary String Minimizing Link : COFO::1256D Problem level : 1500 tag : greedy TIME to understand...
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codeforce 1500
COFO::1250L Divide The Students
cofo problem
COFO::1250L Divide The Students Link : COFO::1250L Problem level : 1500 tag : binary search, greedy, math TIME...
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codeforce 1500
COFO::1299A Anu Has a Function
cofo problem
COFO::1299A Anu Has a Function Link : COFO::1299A Problem level : 1500 tag : brute force, greedy, math...
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codeforce 1500
COFO::1296D Fight with Monsters
cofo problem
COFO::1296D Fight with Monsters Link : COFO::1296D Problem level : 1500 tag : greedy, sortings TIME to...
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codeforce 1500
COFO::1296C Yet Another Walking Robot
cofo problem
COFO::1296C Yet Another Walking Robot Link : COFO::1296C Problem level : 1500 tag : data structures, implementation TIME...
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codeforce 1500
COFO::1283C Friends and Gifts
cofo problem
COFO::1283C Friends and Gifts Link : COFO::1283C Problem level : 1500 tag : constructive algorithms, data structures, math...
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codeforce 1500
COFO::1301B Motarack's Birtyhday
cofo problem
COFO::1301B Motarack’s Birthday Link : COFO::1301B Problem level : 1500 tag : binary search, greedy, ternary search TIME...
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codeforce 1500
COFO::1307C Cow and Message
cofo problem
COFO::1307C Cow and Message Link : COFO::1307C Problem level : 1500 tag : brute force, dp, math, strings...
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codeforce 1400
COFO::1183C Computer Game
cofo problem
COFO::1183C Computer Game Link : COFO::1183C Problem level : 1400 tag : binary search, math TIME to...
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codeforce 1400
COFO::1167C News Distribution
cofo problem
COFO::1167C News Distribution Link : COFO::1167C Problem level : 1400 tag : dfs and similar, dsu, graph TIME...
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codeforce 1300
COFO::1203C Common Divisors
cofo problem
COFO::1203C Common Divisors Link : COFO::1203C Problem level : 1300 tag : implementation, math TIME to understand...
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codeforce 1300
COFO::1178B WOW Factor
cofo problem
COFO::1178B WOW Factor Link : COFO::1178B Problem level : 1300 tag : dp, strings TIME to understand...
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codeforce 1300
COFO::1176C Lose it!
cofo problem
COFO::1176C Lose it Link : COFO::1176C Problem level : 1300 tag : dp, greedy, implementation TIME to...
-
codeforce 1300
COFO::1174C Ehab and Special Coloring Problem
cofo problem
COFO::1174C Ehab and Special Coloring Problem Link : COFO::1174C Problem level : 1300 tag : constructive algorithms, number...
-
codeforce 1300
COFO::1236C Labs
cofo problem
COFO::1236C Labs Link : COFO::1236C Problem level : 1300 tag : constructive algorithms, greedy, implementation TIME to...
-
codeforce 1400
COFO::1195C Basketball Exercise
cofo problem
COFO::1195C Basketball Exercise Link : COFO::1195C Problem level : 1400 tag : dp TIME to understand :...
-
codeforce 1400
COFO::1190A Tokitsukaze and Discard Items
cofo problem
COFO::1190A Tokitsukaze and Discard Items Link : COFO::1190A Problem level : 1400 tag : implementation, two pointers TIME...
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codeforce 1300
COFO::1194C From S To T
cofo problem
COFO::1194C From S To T Link : COFO::1194C Problem level : 1300 tag : implementation, strings TIME ...
-
codeforce 1300
COFO::1311C Perform the Combo
cofo problem
COFO::1311C Perform the Combo Link : COFO::1311C Problem level : 1300 tag : brute force TIME to...
-
codeforce 1400
COFO::1197C Array Splitting
cofo problem
COFO::1197C Array Splitting Link : COFO::1197C Problem level : 1400 tag : greedy, sortings TIME to understand...
-
codeforce 1400
COFO::1214A Optimal Currency Exchange
cofo problem
COFO::1214A Optimal Currency Exchange Link : COFO::1214A Problem level : 1400 tag : brute force, math TIME ...
-
codeforce 1300
COFO::1209B Koala and Lights
cofo problem
COFO::1209B Koala and Lights Link : COFO::1209B Problem level : 1300 tag : implementation, math, number theory TIME...
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codeforce 1400
COFO::1201C Maximum Median
cofo problem
COFO::1201C Maximum Median Link : COFO::1201C Problem level : 1400 tag : binary search, greedy, math, sortings TIME...
-
codeforce 1400
COFO::1200C Round Corridor
cofo problem
COFO::1200C Round Corridor Link : COFO::1200C Problem level : 1400 tag : math, number theory TIME to...
-
codeforce 1400
COFO::1215B The Number of Products
cofo problem
COFO::1215B The number of products Link : COFO::1215B Problem level : 1400 tag : combinatorics, dp, implementation TIME...
-
codeforce 1400
COFO::1228B Filling the Grid
cofo problem
COFO::1228B Filling the Grid Link : COFO::1228B Problem level : 1400 tag : math, implementation TIME to...
-
codeforce 1300
COFO::1220B Multiplication Table
cofo problem
COFO::1220B Multiplication Table Link : COFO::1220B Problem level : 1300 tag : math, number theory TIME to...
-
codeforce 1300
COFO::1234B2 Social Network
cofo problem
COFO::1234B2 Social Network Link : COFO::1234B2 Problem level : 1300 tag : data structures, implementation TIME to...
-
codeforce 1400
COFO::1251B Binary Palindromes
cofo problem
COFO::1251B Binary Palindromes Link : COFO::1251B Problem level : 1400 tag : greedy, strings TIME to understand...
-
codeforce 1400
COFO::1250A Berstagram
cofo problem
COFO::1250A Berstagram Link : COFO::1250A Problem level : 1400 tag : implementation TIME to understand : 8...
-
codeforce 1400
COFO::1245C Constanze's Machine
cofo problem
COFO::1245C Constanze’s Machine Link : COFO::1245C Problem level : 1400 tag : dp TIME to understand :...
-
codeforce 1300
COFO::1238B Kill 'Em All
cofo problem
COFO::1238B Kill ‘Em all Link : COFO:1238B Problem level : 1300 tag : greedy, sortings TIME to...
-
codeforce 1300
COFO::1237B Balanced Tunnel
cofo problem
COFO::1237B Balanced Tunnel Link : COFO::1237B Problem level : 1300 tag : data structures, sortings, two pointers TIME...
-
codeforce 1400
COFO::1279C Stack of Presents
cofo problem
COFO::1279C Stack of Presents Link : COFO::1279C Problem level : 1400 tag : data structures, implementation TIME ...
-
codeforce 1400
COFO::1270C Make Good
cofo problem
COFO::1270C Make Good Link : COFO::1270C Problem level : 1400 tag : bitmasks, constructive algorithms, math TIME ...
-
codeforce 1300
COFO::1303B National Project
cofo problem
COFO::1303B National Projects Link : COFO::1303B Problem level : 1300 tag : math TIME to understand :...
-
codeforce 1300
COFO::1260B Obtain Two Zeros
cofo problem
COFO::1260B Obtain Two zeros Link : COFO::1260B Problem level : 1300 tag : binary search, math TIME ...
-
codeforce 1400
COFO::1256B Minimize the Permutation
cofo problem
COFO::1256B Minimize the Permutation Link : COFO::1256B Problem level : 1400 tag : greedy TIME to understand...
-
codeforce 1300
COFO::1285B Just Eat It!
cofo problem
COFO::1285B Just Eat It! Link : COFO::1285B Problem level : 1300 tag : dp, greedy, implementation TIME ...
-
codeforce 1400
COFO::1284B New Year and Ascent Sequence
cofo problem
COFO::1284B New Year and Ascent Sequence Link : COFO::1284B Problem level : 1400 tag : binary search, combinatorics,...
-
codeforce 1300
COFO::1279B Verse For Santa
cofo problem
COFO::1279B Verse For Santa Link : COFO::1279B Problem level : 1300 tag : binary search, brute force, implementation...
-
codeforce 1300
COFO::1291B Array Sharpening
cofo problem
COFO::1291B Array Sharpening Link : COFO::1291B Problem level : 1300 tag : greedy, implementation TIME to understand...
-
codeforce 1300
COFO::1294C Product of Three Numbers
cofo problem
COFO::1294C Product of Three Numbers Link : COFO::1294C Problem level : 1300 tag : greedy, math, number theory...
-
codeforce 1400
COFO::1285C Fadi and LCM
cofo problem
COFO::1285C Fadi and LCM Link : COFO::1285C Problem level : 1400 tag : brute force, math, number theory...
-
codeforce 1300
COFO::1373C Pluses and Minuses
cofo problem
COFO::1373C Pluses and Minuses Link : COFO::1373C Problem level : 1300 tag : math TIME to understand...
-
codeforce 1400
COFO::1292A NEKO's Maze Game
cofo problem
COFO::1292A NEKO’s Maze Game Link : COFO::1292A Problem level : 1400 tag : data structures, dsu, implementation TIME...
-
codeforce 1400
COFO::1468C Berpizza
cofo problem
COFO::1468C Berpizza Link : COFO::1468C Problem level : 1400 tag : data structures, implementation TIME to understand...
-
codeforce 1300
COFO::1446A Knapsack
cofo problem
COFO::1446A Knapsack Link : COFO::1446A Problem level : 1300 tag : constructive algorithms, greedy, sortings TIME to...
-
codeforce 1500
COFO::1473C No more inversions
cofo problem
COFO::1473C No more inversions Link : COFO::1473C Problem level : 1500 tag : constructive algorithms TIME to...
-
codeforce 1400
COFO::1475C Ball in Berland
cofo problem
COFO::1475C Ball in Berland Link : COFO::1475C Problem level : 1400 tag : graphs, math, combinatorics TIME ...
-
codeforce 1300
COFO::1470A Strange Birthday Party
cofo problem
COFO::1470A Strange Birthday Party Link : COFO::1470A Problem level : 1300 tag : binary search, dp, greedy, sortings,...
-
codeforce 1500
COFO::1389C Good String
cofo problem
COFO::1389C Good String Link : COFO::1389C Problem level : 1500 tag : brute force, dp, greedy, two pointers...
-
codeforce 1400
COFO::1408B Arrays Sum
cofo problem
COFO::1408B Arrays Sum Link : COFO::1408B Problem level : 1400 tag : constructive algorithms, greedy, math TIME ...
-
codeforce 1400
COFO::1451C String Equality
cofo problem
COFO::1451C String Equality Link : COFO::1451C Problem level : 1400 tag : dp, greedy, hashing, implementation, strings TIME...
-
codeforce 1400
COFO::1453B Suffix Operations
cofo problem
COFO::1453B Suffic Operation Link : COFO::1453B Problem level : 1400 tag : constructive algorithms, implementation TIME to...
-
codeforce 1300
COFO::1454D Number into Sequence
cofo problem
COFO::1454D Number into Sequence Link : COFO::1454D Problem level : 1300 tag : constructive algorithms, math, number theory...
-
codeforce 1400
COFO::1461B Find the Spruce
cofo problem
COFO::1461B Find the Spruce Link : COFO::1461B Problem level : 1400 tag : brute force, dp, implementation TIME...
-
codeforce 1400
COFO::1452B Toy Blocks
cofo problem
COFO::1452B Toy Blocks Link : COFO::1452B Problem level : 1400 tag : binary search, greedy, math, sortings TIME...
-
codeforce 1300
COFO::1459B Move and Turn
cofo problem
COFO::1459B Move and Turn Link : COFO::1459B Problem level : 1300 tag : dp, math TIME to...
-
codeforce 1400
COFO::1462D Add to Neighbour and Remove
cofo problem
COFO::1462D Add to Neighbour and Remove Link : COFO::1462D Problem level : 1400 tag : greedy, math, number...
-
codeforce 1300
COFO::1466C Canine poetry
cofo problem
COFO::1466C Canine poetry Link : COFO::1466C Problem level : 1300 tag : dp, greedy, strings TIME u...
-
codeforce 1400
COFO::1463B FInd the Array
cofo problem
COFO::1463B Find the Array Link : COFO::1463B Problem level : 1400 tag : bitmasks, constructive algorithms, greedy time...
-
codeforce 1500
COFO::1461C Random Events
cofo problem
COFO::1461C Random Events Link : COFO::1461C 이해하는데 20분정도 소요되었고, 푸는데 1시간 40분 걸렸으니 총 2시간 소요했습니다. Problem level...
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codeforce 1800
COFO::1466E Apollo versus Pan
cofo problem
COFO::1466E Apollo versus Pan Link : COFO::1466E 정말 어려웠던 수학문제입니다. 결국 editorial을 참고했지만, edit을 이해하는 것만으로도 추후에 큰 도움이 될 것...
-
codeforce 1700
COFO::1467B Hills And Valleys
cofo problem
COFO::1467B Hills Link : COFO:: Problem level : tag : TIME to understand : to algorithm :...
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codeforce 1700
COFO::1467B Hills And Valleys
cofo problem
COFO::1467B Hills And Valleys Link : COFO::1467B Problem level : 1700 tag : implementation, brute force 결국 쉽게...
-
codeforce 1400
COFO::1363B Subsequence Hate
cofo problem
COFO::1363B Subsequence Hate Link : COFO::1363B Problem level : 1400 tag : implementation, strings 연속된 0과 1을 압축시키는...
-
codeforce 1400
COFO::1374D Zero Remainder Array
cofo problem
COFO::1374D Zero Remainder Array Link : COFO::1374D 깔끔하게 풀었지만, 아직 1400점대는 시간이 좀 오래걸립니다. 아이디어가 떠오르기까지 걸리는 시간이 줄어들어야 빠르게 풀...
-
codeforce 1400
COFO::1375C Element Extermination
cofo problem
COFO::1375C Element Extermination Link : COFO::1375C Problem level : 1400 tag : constructive algorithms, data structures, greedy 고민을...
-
codeforce 1400
COFO::1415C Bouncing Ball
cofo problem
COFO::1415C Bouncing Ball Link : COFO::1415C Problem level : 1400 tag : brute force, dp, implementation 아이디어가 어렴풋이...
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codeforce 900
COFO::1380A Three Indices
cofo problem
COFO::1380A Three Indices Link : COFO::1380A Problem level : 900 tag : brute force, data structures 1년전에 제출시...
-
codeforce 1400
COFO::1308B Universal Solution
cofo problem
COFO::1308B Universal Solution Link : COFO::1308B Problem level : 1400 tag : greedy Point 주먹가위보...
-
codeforce 1400
COFO::1421C Palindromifier
cofo problem
COFO::1421C Palindromifier Link : COFO::1421C Problem level : 1400 tag : strings, constructive algorithms Point ...
-
codeforce 1300
COFO::1422B Nice Matrix
cofo problem
COFO::1422B Nice Matrix Link : COFO::1422B Problem level : 1300 tag : greedy, implementation, math 재밌는 문제이고 예외처리가...
-
codeforce 1300
COFO::1424G Years
cofo problem
COFO::1424G Years Link : COFO::1424G Problem A level : 1300 tag : data structures, sortings Point...
-
codeforce 1400
COFO::1425A Arena of Greed
cofo problem
COFO::1425A Arena of Greed Link : COFO::1425A Problem level : 1400 tag : games, greedy Point...
-
codeforce 1400
COFO::1425F Flamingoes of Mystery
cofo problem
COFO::1425F Flamingoes of Mystery Link : COFO::1425F Problem level : 1400 tag : interactive Point ...
-
codeforce 1100
COFO::1426C Increase and Copy
cofo problem
COFO::1426C Increase and Copy Link : COFO::1426C Problem level : 1100 tag : binary search, constructive algorithms, math...
-
codeforce 1400
COFO::1427B Chess Cheater
cofo problem
COFO::1427B Chess Cheater Link : COFO::1427B Problem level : 1400 tag : greedy, implementation, sortings 제가 문제를 풀때,...
-
codeforce 1300
COFO::1425H Huge Boxes of Animal Toys
cofo problem
COFO::1425H Huge Boxes of Animal Toys Link : COFO::1425H Problem level : 1300 tag : constructive algorithms 어떻게...
-
codeforce 1400
COFO::1431B Polycarp and the Language of Gods
cofo problem
COFO::1431B Polycarp and the Language of Gods Link : COFO::1431B Problem A level : 1400 tag : special...
-
codeforce 1200
COFO::1428B Belted Rooms
cofo problem
COFO::1428B Belted Rooms Link : COFO::1428B Problem B level : 1200 tag : graphs, implementation 제가 B번 문제에...
-
codeforce 1300
COFO::1433E Two Round Dances
cofo problem
COFO::1433E Two Round Dances Link : COFO::1433E Problem A level : 1300 tag : combinatorics, math <h3...
-
codeforce 1200
COFO::1437B Reverse Binary Strings
cofo problem
COFO::1437B Reverse Binary Strings Link : COFO::1437B Problem B level : 1200 tag : constructive algorithms, greedy editorial을...
-
codeforce 1300
COFO::1443B Saving the City
cofo problem
COFO::1443B Saving the City Link : COFO::1443B Problem A level : 1300 tag : dp, greedy, math, sortings...
-
codeforce 1400
COFO::1443C The Delivery Dilemma
cofo problem
COFO::1443C The Delivery Dilemma Link : COFO::1443C Problem A level : 1400 tag : binary search, greedy, sortings...
-
codeforce 1700
COFO::1260C Infinite Fence
cofo problem
COFO::1260C Infinite Fence Link : COFO::Educational round 77 ( div 2 ) Problem C level : 1700 tag...
-
codeforce 1700
COFO::1359C Mixing Water
cofo problem
COFO::1359C Mixing Water Link : COFO::Educational round 88 ( div 2 ) Problem C : Mixing Water level...
-
codeforce 1800
COFO::1138B Circus
cofo problem
COFO::1138B Circus Link : COFO::round 545 ( div 2 ) rhs0266님과 Green 님이 도와주셨습니다. 난이도 1800 수준의 수학문제는 제게 아직 어려운것...
-
codeforce 1700
COFO::1141E Superhero Battle
cofo problem
COFO::1141E Superhero Battle Link : COFO::cofo round 547 ( div 3 ) Problem E : Superhero Battle level...
-
codeforce 1800
COFO::1152C - Neko does Maths
cofo problem
COFO::1152C - Neko does Maths Link : COFO::round 554(div 2) Problem C level : 1800 tag : brute...
-
codeforce 1800
COFO::1250B The Feast and the Bus
cofo problem
COFO::1250B The Feast and the Bus Link : COFO::NERC 2019-2020 Link : one of solutions::programmersought.com Problem B :...
-
codeforce 1700
COFO::1295B Infinite Prefixes
cofo problem
COFO::1295B Infinite Prefixes Link : COFO::educational round 81 Problem B : Infinite Prefixes level : 1700 tag :...
-
codeforce 1700
COFO::1228C Primes and Multiplication
cofo problem
COFO::1228C Primes and Multiplication Link : COFO::round 589 ( div 2 ) Problem C : Primes and Muliplication ...
-
codeforce 1700
COFO::1037D Valid BFS?
cofo problem
COFO::1037D Valid BFS? Link : COFO::Manthan, codefest 18 Problem D : Valid BFS? level : 1700 tag :...
-
codeforce 1700
COFO::486C Palindrome Transformation
cofo problem
COFO::486C Palindrome Transformation Link : COFO::round 227 (div 2) Problem C level : 1700 tag : brute force,...
-
codeforce 1700
COFO::339D Xenia and Bit Operations
cofo problem
COFO::339D Xenia and Bit Operations Link : COFO::round 197(div 2) Problem D level : 1700 tag : data...
-
codeforce 1700
COFO::977F Consecutive Subsequence
cofo problem
COFO::977F Consecutive Subsequence Link : COFO::round #479 div 3 F Problem F level : 1700 tag : dp...
-
codeforce 1700
COFO::466C Number of ways
cofo problem
COFO::466C Number of ways Link : COFO::round 266 (div 2) Problem C level : 1700 tag : binary...
-
codeforce 1700
COFO::559B Equivalent Strings
cofo problem
COFO::559B Equivalent Strings Link : COFO::559B Problem B level : 1700 tag : divide and conquer, hashing, sortings,...