Problemset - Codeforces

→ Pay attention

Before contest
Good Bye 2024: 2025 is NEAR
34:43:03
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
611F	New Year and Cleaning binary search, implementation	2500	x485
611E	New Year and Three Musketeers data structures, greedy, sortings	2400	x870
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2608
611C	New Year and Domino dp, implementation	1500	x8527
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x10225
611A	New Year and Days implementation	900	x11691
610E	Alphabet Permutations data structures, strings	2500	x910
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1518
610C	Harmony Analysis constructive algorithms	1800	x2888
610B	Vika and Squares constructive algorithms, implementation	1300	x7346
610A	Pasha and Stick combinatorics, math	1000	x23766
609F	Frogs and mosquitoes data structures, greedy	2500	x1277
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x8153
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2782
609C	Load Balancing implementation, math	1500	x6706
609B	The Best Gift constructive algorithms, implementation	1100	x9267
609A	USB Flash Drives greedy, implementation, sortings	800	x17699
608B	Hamming Distance Sum combinatorics, strings	1500	x6917
608A	Saitama Destroys Hotel implementation, math	1000	x9401
607E	Cross Sum binary search, geometry	3300	x256
607D	Power Tree data structures, trees	2600	x579
607C	Marbles hashing, strings	2500	x805
607B	Zuma dp	1900	x12623
607A	Chain Reaction binary search, dp	1600	x9708
606B	Testing Robots implementation	1600	x2773
606A	Magic Spheres implementation	1200	x8009
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1402
605D	Board Game data structures, dfs and similar	2500	x811
605C	Freelancer's Dreams geometry	2400	x1128
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3502
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7186
604B	More Cowbell binary search, greedy	1400	x8541
604A	Uncowed Forces implementation	1000	x9016
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x1331
603D	Ruminations on Ruminants geometry, math	2900	x341
603C	Lieges of Legendre games, math	2200	x1900
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2592
603A	Alternative Thinking dp, greedy, math	1600	x7716
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10998
602A	Two Bases brute force, implementation	1100	x8548
601E	A Museum Robbery data structures, dp	2800	x880
601D	Acyclic Organic Compounds data structures, dfs and similar, dsu, hashing, strings, trees	2400	x1165
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1342
601B	Lipshitz Sequence data structures, math	2100	x2336
601A	The Two Routes graphs, shortest paths	1600	x12221
600F	Edge coloring of bipartite graph graphs	2800	x847
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x14404
600D	Area of Two Circles' Intersection geometry	2000	x2342
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x6334
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x30937
600A	Extract Numbers implementation, strings	1600	x5359
599E	Sandy and Nuts bitmasks, dp, trees	2600	x679
599D	Spongebob and Squares brute force, math	1900	x2598
599C	Day at the Beach sortings	1600	x4673
599B	Spongebob and Joke implementation	1500	x4420
599A	Patrick and Shopping implementation	800	x29388
598F	Cut Length geometry	2900	x383
598E	Chocolate Bar brute force, dp	2000	x5145
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x11372
598C	Nearest vectors geometry, sortings	2300	x4529
598B	Queries on a String implementation, strings	1300	x11310
598A	Tricky Sum math	900	x27154
597C	Subsequences data structures, dp	1900	x5186
597B	Restaurant dp, greedy, sortings	1600	x4961
597A	Divisibility math	1600	x4565
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2500	x396
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x689
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2260
596B	Wilbur and Array greedy, implementation	1100	x10420
596A	Wilbur and Swimming Pool geometry, implementation	1100	x7778
595B	Pasha and Phone binary search, math	1600	x2930
595A	Vitaly and Night constructive algorithms, implementation	800	x14644
594E	Cutting the Line string suffix structures, strings	3100	x162
594D	REQ data structures, number theory	2500	x1674
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x690
594B	Max and Bike binary search, geometry	2500	x501
594A	Warrior and Archer games	2300	x1738
593E	Strange Calculation and Cats dp, matrices	2400	x646
593D	Happy Tree Party data structures, dfs and similar, graphs, math, trees	2400	x1273
593C	Beautiful Function constructive algorithms, math	2200	x285
593B	Anton and Lines geometry, sortings	1600	x4065
593A	2Char brute force, implementation	1200	x5822
592E	BCPC binary search, geometry, two pointers	2700	x216
592D	Super M dfs and similar, dp, graphs, trees	2200	x2663
592C	The Big Race math	1800	x3085
592B	The Monster and the Squirrel math	1100	x8646
592A	PawnChess implementation	1200	x6371
591B	Rebranding implementation, strings	1200	x8286
591A	Wizards' Duel implementation, math	900	x14665
590E	Birthday graph matchings, strings	3200	x792
590D	Top Secret Task dp	2300	x1230
590C	Three States dfs and similar, graphs, shortest paths	2200	x2854
590B	Chip 'n Dale Rescue Rangers binary search, geometry, math	2100	x1919
590A	Median Smoothing implementation	1700	x3983
588B	Duff in Love math	1300	x14200
588A	Duff and Meat greedy	900	x23081
587F	Duff is Mad data structures, strings	3000	x1078
587E	Duff as a Queen data structures	2900	x726
587D	Duff in Mafia 2-sat, binary search	3100	x763
587C	Duff in the Army data structures, trees	2200	x4026