Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1134 (Div. 4)
38:40:02
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
2214E	Shortest Paths *special problem, shortest paths		x1160
2214D	Neural Feud *special problem, strings		x4527
2214C	And? *special problem, bitmasks		x2031
2214B	Are You Smiling? special problem, special problem, *special problem, strings		x7051
2214A	Odd One Out *special problem, graph matchings, implementation		x10887
2211H	Median Deletion	3500	x133
2211G	Rational Bubble Sort constructive algorithms, geometry, greedy	3100	x394
2211F	Learning Binary Search combinatorics, divide and conquer, dp, math	2400	x1103
2211E	Minimum Path Cover brute force, dp, greedy, interactive, interactive, math, number theory, trees	2500	x1117
2211D	AND-array bitmasks, combinatorics, math	1900	x3562
2211C2	Equal Multisets (Hard Version) constructive algorithms, dsu, greedy	1800	x4462
2211C1	Equal Multisets (Easy Version) binary search, brute force, greedy, two pointers	1300	x11037
2211B	Mickey Mouse Constructive constructive algorithms, dp, greedy, math	1100	x13510
2211A	Antimedian Deletion implementation, math	800	x18287
2210F	A Simple Problem binary search, data structures, greedy, math, trees	2800	x293
2210E	Binary Strings are Simple? constructive algorithms, implementation, interactive, number theory	2700	x404
2210D	A Simple RBS Problem constructive algorithms, math, strings, trees	2100	x2385
2210C2	A Simple GCD Problem (Hard Version) dp, greedy, number theory	2100	x2509
2210C1	A Simple GCD Problem (Easy Version) greedy, number theory	1200	x15334
2210B	Simply Sitting on Chairs data structures, greedy	900	x20398
2210A	A Simple Sequence constructive algorithms, dp, greedy, number theory	800	x25522
2209F	Dynamic Values And Maximum Sum data structures, data structures, greedy, implementation, trees	2700	x491
2209E	A Trivial String Problem brute force, dp, hashing, string suffix structures, strings	2200	x2128
2209D	Ghostfires constructive algorithms, greedy	1800	x6186
2209C	Find the Zero constructive algorithms, interactive	1400	x12385
2209B	Array greedy	900	x22507
2209A	Flip Flops greedy	800	x24108
2208E	Counting Cute Arrays combinatorics, dp	2700	x590
2208D2	Tree Orientation (Hard Version) dfs and similar, dsu, graphs, greedy, sortings, trees	2200	x2224
2208D1	Tree Orientation (Easy Version) constructive algorithms, dfs and similar, dsu, graphs, greedy, matrices, trees	1800	x5103
2208C	Stamina and Tasks dp, greedy, math	1300	x13336
2208B	Cyclists brute force, games, greedy, implementation, math, sortings	1100	x15681
2208A	Bingo Candies constructive algorithms, math	800	x22684
2207H3	Bowser's Castle (Hard Version) constructive algorithms, divide and conquer, interactive, trees, two pointers	3500	x94
2207H2	Bowser's Castle (Medium Version) constructive algorithms, divide and conquer, interactive, trees, two pointers	3500	x90
2207H1	Bowser's Castle (Easy Version) binary search, constructive algorithms, divide and conquer, greedy, interactive, trees	3500	x90
2207G	Toothless constructive algorithms, dfs and similar, dsu	3300	x244
2207F	Hanabi binary search, data structures, dp, dsu, flows, graph matchings, graphs, greedy	3000	x356
2207E2	N-MEX (Counting Version) combinatorics, constructive algorithms, math	2400	x1049
2207E1	N-MEX (Constructive Version) constructive algorithms, greedy	2200	x1936
2207D	Boxed Like a Fish dfs and similar, dp, games, shortest paths, trees	2200	x2436
2207C	Where's My Water? data structures, divide and conquer, dp, math	1600	x6804
2207B	One Night At Freddy's games, greedy, sortings	1600	x6947
2207A	1-1 greedy, strings	800	x15508
2206M	Deformed Balance	2900	x66
2206L	Onion	3500	x89
2206K	Time Display Stickers binary search	1300	x2510
2206J	Worldwide Playlist math	1700	x1628
2206I	Growth Factor combinatorics, dp, math, number theory	2900	x249
2206H	Reflect Sort number theory	1800	x1693
2206G	Extra Transition graphs	3100	x124
2206F	Minesweeper String fft, number theory	2400	x526
2206E	Parallel Sums data structures, geometry	2500	x575
2206D	Christmas Tree Un-decoration data structures, dp, trees	2600	x376
2206C	Upside Down Dijkstra dfs and similar	2200	x882
2206B	Subtree Removal Game binary search, games, trees	2500	x552
2206A	Compare Suffixes interactive	3500	x158
2205G	Simons and Diophantus Equation bitmasks, brute force, data structures, math, number theory	3000	x250
2205F	Simons and Reconstructing His Roads constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, data structures, data structures, dsu, graphs	2400	x768
2205E	Simons and Dividing the Rhythm combinatorics, data structures, dp, dsu, math, string suffix structures, strings, strings, strings	2100	x1995
2205D	Simons and Beating Peaks data structures, data structures, divide and conquer, dp, dp, greedy, implementation, trees	1700	x5978
2205C	Simons and Posting Blogs greedy, greedy, greedy, sortings	1500	x9129
2205B	Simons and Cakes for Success implementation, math, math	800	x18061
2205A	Simons and Making It Beautiful brute force, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms, constructive algorithms	800	x19137
2204G	Grid Path dp, dp, graphs, matrices	2700	x637
2204F	Sum of Fractions binary search, brute force, combinatorics, data structures, greedy, math, number theory, two pointers	2200	x1412
2204E	Sum of Digits (and Again) brute force, constructive algorithms, math	1800	x5460
2204D	Alternating Path constructive algorithms, dfs and similar, graph matchings, graphs, graphs, graphs, graphs	1400	x10573
2204C	Spring math, math, math, math, math, number theory	1000	x20704
2204B	Right Maximum greedy	800	x21929
2204A	Passing the Ball brute force, implementation	800	x24182
2203F	Binary Search with One Swap binary search, divide and conquer, dp, hashing, math, two pointers	2600	x498
2203E	Probabilistic Card Game binary search, data structures, games, greedy, math, ternary search	2200	x1598
2203D	Divisibility Game brute force, games, games, games, greedy, number theory, number theory	1700	x6480
2203C	Test Generator binary search, bitmasks, greedy, math	1500	x8438
2203B	Beautiful Numbers bitmasks, dp, fft, greedy, math	1000	x17275
2203A	Towers of Boxes math	800	x20677
2202G1	Monotone Monochrome Matrices (Easy Version) data structures, data structures, data structures, data structures	2500	x345
2202B	ABAB Construction dp, greedy, greedy, greedy, implementation	1200	x13292
2202A	Parkour Design math, math, math, math	800	x17926
2201G	Codeforces Heuristic Contest 1001 constructive algorithms	3500	x97
2201F2	Monotone Monochrome Matrices (Hard Version) constructive algorithms, data structures, hashing, math	2800	x494
2201F1	Monotone Monochrome Matrices (Medium Version) data structures, hashing	2900	x335
2201E	ABBA Counting fft, fft, math, number theory, strings	2900	x318
2201D	Binary Not Search and Queries data structures, greedy, implementation	2500	x903
2201C	Rigged Bracket Sequence combinatorics, dp, greedy	2000	x2352
2201B	Recollect Numbers constructive algorithms	1700	x5722
2201A2	Lost Civilization (Hard Version) data structures, dp	1700	x5790
2201A1	Lost Civilization (Easy Version) data structures, data structures	1300	x12861
2200H	Six Seven divide and conquer, math, number theory, strings, strings, trees	2600	x591
2200G	Operation Permutation combinatorics, dp, math, probabilities	2200	x1383
2200F	Mooclear Reactor 2 brute force, data structures, greedy, implementation, sortings	1900	x3512
2200E	Divisive Battle games, greedy, math, number theory	1500	x9933
2200D	Portal greedy, sortings	1300	x14426
2200C	Specialty String brute force, greedy, strings	900	x25572
2200B	Deletion Sort bitmasks, brute force, greedy, sortings	800	x29354
2200A	Eating Game greedy	800	x32773
2199I	Strange Process *special problem	3000	x51
2199H	Sum of MEX *special problem, combinatorics, data structures, dp, math	2300	x122
2199G	Jammer *special problem, math	2500	x69

The only programming contests Web 2.0 platform

Server time: Nov/11/2026 02:54:59 (g2).

Desktop version, switch to mobile version.

Supported by