Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round (Div. 2)
5 days

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
44A	Indian Summer implementation	900	x17710
43E	Race brute force, implementation, two pointers	2300	x446
43D	Journey brute force, constructive algorithms, implementation	2000	x1230
43C	Lucky Tickets greedy	1300	x4772
43B	Letter implementation, strings	1100	x20570
43A	Football strings	1000	x69563
42E	Baldman and the military dfs and similar, graphs, trees	2700	x244
42D	Strange town constructive algorithms, math	2300	x490
42C	Safe cracking brute force, constructive algorithms	2200	x573
42B	Game of chess unfinished implementation	1700	x1162
42A	Guilty --- to the kitchen! greedy, implementation	1400	x3178
41E	3-cycles constructive algorithms, graphs, greedy	1900	x2237
41D	Pawn dp	1900	x2899
41C	Email address expression parsing, implementation	1300	x4208
41B	Martian Dollar brute force	1400	x4633
41A	Translation implementation, strings	800	x189622
40E	Number Table combinatorics	2500	x810
40D	Interesting Sequence math	2600	x172
40C	Berland Square implementation, math	2300	x327
40B	Repaintings math	1600	x1399
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x4443
39K	Testing	2600	x103
39J	Spelling Check hashing, implementation, strings	1500	x3588
39I	Tram	2500	x200
39H	Multiplication Table implementation	1300	x3139
39G	Inverse Function implementation	2400	x160
39F	Pacifist frogs implementation	1300	x1968
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x1038
39D	Cubical Planet math	1100	x4682
39C	Moon Craters dp, sortings	2100	x699
39B	Company Income Growth greedy	1300	x3109
39A	C*++ Calculations expression parsing, greedy	2000	x797
38H	The Great Marathon dp	2400	x447
38G	Queue data structures	2300	x813
38F	Smart Boy dp, games, strings	2100	x446
38E	Let's Go Rolling! dp, sortings	1800	x3003
38D	Vasya the Architect implementation	1900	x1076
38C	Blinds brute force	1400	x2568
38B	Chess brute force, implementation, math	1200	x4046
38A	Army implementation	800	x26634
37E	Trial for Chief graphs, greedy, shortest paths	2600	x679
37D	Lesson Timetable combinatorics, dp, math	2300	x559
37C	Old Berland Language data structures, greedy, trees	1900	x2215
37B	Computer Game greedy, implementation	1800	x1096
37A	Towers sortings	1000	x27751
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x617
36D	New Game with a Chess Piece games	2300	x771
36C	Bowls geometry, implementation	2200	x380
36B	Fractal implementation	1600	x2041
36A	Extra-terrestrial Intelligence implementation	1300	x3555
35E	Parade data structures, sortings	2100	x880
35D	Animals dp, greedy	1700	x3867
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x8706
35B	Warehouse implementation	1700	x1197
35A	Shell Game implementation	1000	x7599
34E	Collisions brute force, implementation, math	2000	x654
34D	Road Map dfs and similar, graphs	1600	x6511
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4774
34B	Sale greedy, sortings	900	x66377
34A	Reconnaissance 2 implementation	800	x34788
33E	Helper	2600	x153
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1575
33C	Wonderful Randomized Sum greedy	1800	x3585
33B	String Problem shortest paths	1800	x5800
33A	What is for dinner? greedy, implementation	1200	x4882
32E	Hide-and-Seek geometry, implementation	2400	x426
32D	Constellation implementation	1600	x1493
32C	Flea math	1700	x2577
32B	Borze expression parsing, implementation	800	x80181
32A	Reconnaissance brute force	800	x14947
31E	TV Game dp	2400	x1305
31D	Chocolate dfs and similar, implementation	2000	x1231
31C	Schedule implementation	1700	x2033
31B	Sysadmin Bob greedy, implementation, strings	1500	x4752
31A	Worms Evolution implementation	1200	x12684
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x922
30D	King's Problem? geometry, greedy	2600	x498
30C	Shooting Gallery dp, probabilities	1800	x2407
30B	Codeforces World Finals implementation	1700	x1389
30A	Accounting brute force, math	1400	x3998
29E	Quarrel graphs, shortest paths	2400	x1136
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2943
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x6534
29B	Traffic Lights implementation	1500	x3356
29A	Spit Problem brute force	1000	x8308
28E	DravDe saves the world geometry, math	2800	x109
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x680
28C	Bath Queue combinatorics, dp, probabilities	2200	x1295
28B	pSort dfs and similar, dsu, graphs	1600	x5546
28A	Bender Problem implementation	1600	x975
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4914
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x3106
27C	Unordered Subsequence constructive algorithms, greedy	1900	x3065
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5906
27A	Next Test implementation, sortings	1200	x23056
26E	Multithreading constructive algorithms	2400	x413
26D	Tickets combinatorics, math, probabilities	2400	x934
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x1022
26B	Regular Bracket Sequence greedy	1400	x26055
26A	Almost Prime number theory	900	x43048

The only programming contests Web 2.0 platform

Server time: May/25/2026 15:22:49 (g1).

Desktop version, switch to mobile version.

Supported by