Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
2 days
Register now »

*has extra registration

Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x14850
576D	Flights for Regular Customers dp, matrices	2700	x1597
575H	Bots combinatorics, dp, math, number theory	1800	x1877
575F	Bulbo dp, greedy	2100	x1105
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x706
573B	Bear and Blocks binary search, data structures, dp, math	1600	x6351
571B	Minimization dp, greedy, sortings	2000	x2824
570E	Pig and Palindromes combinatorics, dp	2300	x2106
568E	Longest Increasing Subsequence data structures, dp	3000	x631
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2384
567F	Mausoleum dp	2400	x637
567C	Geometric Progression binary search, data structures, dp	1700	x10433
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x4301
559E	Gerald and Path dp, sortings	3000	x1162
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x8091
557E	Ann and Half-Palindrome data structures, dp, graphs, string suffix structures, strings, trees	2300	x1216
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x4213
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x621
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x9830
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1737
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5872
550C	Divisibility by Eight brute force, dp, math	1500	x32125
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x43635
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8988
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x3401
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x10891
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x13766
545C	Woodcutters dp, greedy	1500	x32848
543D	Road Improvement dp, trees	2300	x3251
543C	Remembering Strings bitmasks, dp	2500	x1554
543A	Writing Code dp	1800	x8836
542F	Quest dp, greedy	2100	x996
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x539
540D	Bad Luck Island dp, probabilities	1900	x6490
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1638
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x19331
536D	Tavas in Kansas dp, games	2900	x788
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x533
534B	Covered Path dp, greedy, math	1400	x11343
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2433
533D	Landmarks data structures, dp	3000	x272
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2687
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x5084
526E	Transmitting Levels dp, implementation	2400	x1180
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x4176
524B	Фото на память - 2 (round version) dp, greedy	1700	x1546
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x9522
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x18826
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x2087
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x8353
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6898
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x418
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x8166
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1527
514E	Darth Vader and Tree dp, matrices	2200	x1729
513G3	Inversions problem dp	3100	x291
513G2	Inversions problem dp, probabilities	2400	x725
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1847
513E2	Subarray Cuts dp	2700	x650
513E1	Subarray Cuts dp	2600	x550
512D	Fox And Travelling dp, trees	2900	x1134
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x6409
509F	Progress Monitoring dp, trees	2300	x1183
509C	Sums of Digits dp, greedy, implementation	2000	x2391
508E	Arthur and Brackets dp, greedy	2200	x1956
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x3242
507D	The Maths Lecture dp, implementation	2200	x2125
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x917
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x7300
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x14975
500F	New Year Shopping divide and conquer, dp	2700	x829
500E	New Year Domino data structures, dp, dsu	2300	x1582
498E	Stairs and Lines dp, matrices	2700	x565
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1245
498B	Name That Tune dp, probabilities, two pointers	2400	x1298
497E	Subsequences Return dp, matrices	2900	x317
494D	Birthday data structures, dfs and similar, dp, trees	2700	x668
494C	Helping People dp, probabilities	2600	x958
494B	Obsessive String dp, strings	2000	x3111
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1912
489F	Special Matrices combinatorics, dp	2100	x1939
489E	Hiking binary search, dp	2300	x1146
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x51664
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x56718
487B	Strip binary search, data structures, dp, two pointers	2000	x4209
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2627
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4380
484D	Kindergarten data structures, dp, greedy	2400	x3038
482D	Random Function and Tree combinatorics, dp, trees	2700	x594
482C	Game with Strings bitmasks, dp, probabilities	2600	x993
480D	Parcels dp, graphs	2600	x492
479E	Riding in a Lift combinatorics, dp	1900	x5624
478D	Red-Green Towers dp	2000	x7141
477D	Dreamoon and Binary dp, strings	2700	x593
476E	Dreamoon and Strings dp, strings	2200	x2111
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x37000
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x4169
474D	Flowers dp	1700	x30613
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x387
467E	Alex and Complicated Task data structures, dp, greedy	2300	x852

The only programming contests Web 2.0 platform

Server time: May/04/2026 02:53:40 (l2).

Desktop version, switch to mobile version.

Supported by