Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
22:38:28
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1808A	Lucky Numbers brute force, implementation	900	x18444
1807D	Odd Queries data structures, implementation	900	x34062
1807C	Find and Replace greedy, implementation, strings	800	x30763
1807B	Grab the Candies greedy	800	x42639
1807A	Plus or Minus implementation	800	x63772
1806B	Mex Master constructive algorithms, greedy	900	x17919
1806A	Walking Master geometry, greedy, math	800	x25622
1805B	The String Has a Target greedy, strings	800	x18721
1805A	We Need the Zero bitmasks, brute force	800	x24269
1804B	Vaccination greedy, implementation	1000	x14333
1804A	Lame King greedy, math	800	x18013
1802B	Settlement of Guinea Pigs greedy, implementation, math	1000	x13429
1802A	Likes greedy, implementation	800	x15937
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x23982
1800B	Count the Number of Pairs greedy, strings	1000	x25432
1800A	Is It a Cat? implementation, strings	800	x31830
1799A	Recent Actions data structures, greedy, implementation, math	800	x11640
1798B	Three Sevens brute force, data structures, greedy, implementation	1000	x16791
1798A	Showstopper greedy, implementation, sortings	800	x19952
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17594
1796B	Asterisk-Minor Template implementation, strings	1000	x16652
1796A	Typical Interview Problem brute force, implementation, strings	800	x18903
1795B	Ideal Point brute force, geometry, greedy	900	x22192
1795A	Two Towers brute force, implementation, strings	800	x23704
1794B	Not Dividing constructive algorithms, greedy, math	900	x23167
1794A	Prefix and Suffix Array strings	800	x17248
1793A	Yet Another Promotion greedy, math	800	x18123
1792A	GamingForces greedy, sortings	800	x28350
1791D	Distinct Split brute force, greedy, strings	1000	x31558
1791C	Prepend and Append implementation, two pointers	800	x46901
1791B	Following Directions geometry, implementation	800	x45061
1791A	Codeforces Checking implementation, strings	800	x62193
1790C	Premutation brute force, implementation, math	1000	x24204
1790B	Taisia and Dice greedy, greedy, math	800	x27579
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x37392
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16287
1789A	Serval and Mocha's Array brute force, math, number theory	800	x19598
1788A	One and Two brute force, implementation, math	800	x31773
1787A	Exponential Equation constructive algorithms, math	800	x19285
1786A2	Alternating Deck (hard version) implementation	800	x11466
1786A1	Non-alternating Deck (easy version) implementation	800	x14097
1784A	Monsters (easy version) brute force, greedy	1000	x15278
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x30951
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13586
1781A	Parallel Projection geometry, math	800	x15142
1780A	Hayato and School constructive algorithms, greedy	800	x21784
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x23718
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x23217
1778A	Flip Flop Sum greedy, implementation	800	x24492
1777B	Emordnilap combinatorics, greedy, math	900	x17635
1777A	Everybody Likes Good Arrays! greedy, math	800	x25156
1776A	Walking Boy greedy	800	x7045
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18852
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19741
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22522
1773F	Football constructive algorithms	800	x4191
1772C	Different Differences constructive algorithms, greedy, math	1000	x23996
1772B	Matrix Rotation brute force, implementation	800	x29471
1772A	A+B? implementation	800	x48932
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x23114
1770B	Koxia and Permutation constructive algorithms	1000	x19480
1770A	Koxia and Whiteboards brute force, greedy	1000	x23658
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1377
1769A	Узкая дорога *special problem, math	800	x1972
1768B	Quick Sort greedy, math	900	x23289
1768A	Greatest Convex greedy, math, number theory	800	x29074
1767B	Block Towers data structures, greedy, sortings	800	x20465
1767A	Cut the Triangle implementation	800	x20649
1766B	Notepad# implementation	1000	x21283
1766A	Extremely Round brute force, implementation	800	x27351
1765M	Minimum LCM math, number theory	1000	x16282
1765E	Exchange brute force, math	1000	x10210
1765B	Broken Keyboard greedy	800	x9103
1764B	Doremy's Perfect Math Class math, number theory	900	x15999
1764A	Doremy's Paint greedy	800	x16673
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15768
1762A	Divide and Conquer greedy, math, number theory	800	x19299
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13516
1761A	Two Permutations brute force, constructive algorithms	800	x20279
1760D	Challenging Valleys implementation, two pointers	1000	x23932
1760C	Advantage data structures, implementation, sortings	800	x37761
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x45237
1760A	Medium Number implementation, sortings	800	x61152
1759B	Lost Permutation math	800	x22345
1759A	Yes-Yes? implementation, strings	800	x30272
1758B	XOR = Average constructive algorithms	900	x21428
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x25333
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18981
1754A	Technical Support greedy	800	x23357
1750B	Maximum Substring brute force, greedy, implementation	800	x16273
1750A	Indirect Sort constructive algorithms, implementation, math	800	x17109
1749B	Death's Blessing greedy	900	x21089
1749A	Cowardly Rooks greedy, implementation	800	x22399
1748A	The Ultimate Square math	800	x24172
1747B	BAN BAN constructive algorithms	900	x23151
1747A	Two Groups constructive algorithms, greedy	800	x25045
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17264
1746A	Maxmina constructive algorithms, greedy	800	x19885
1744C	Traffic Light binary search, implementation, two pointers	1000	x28113
1744B	Even-Odd Increments implementation, math	800	x23611