Problemset - Codeforces

Please read the new rule regarding the restriction on the use of AI tools. ×

→ Pay attention

Before contest
Codeforces Round 974 (Div. 3)
11:31:25
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
513G3	Inversions problem dp	3100	x263
513G2	Inversions problem dp, probabilities	2400	x652
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1779
513F2	Scaygerboss flows	2800	x353
513F1	Scaygerboss flows	2700	x321
513E2	Subarray Cuts dp	2700	x569
513E1	Subarray Cuts dp	2600	x479
513D2	Constrained Tree constructive algorithms, data structures	2600	x379
513D1	Constrained Tree dfs and similar	2400	x616
513C	Second price auction bitmasks, probabilities	2000	x1536
513B2	Permutations bitmasks, divide and conquer, math	1800	x2627
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x520
512D	Fox And Travelling dp, trees	2900	x968
510E	Fox And Dinner flows	2300	x2189
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5400
510C	Fox And Names dfs and similar, graphs, sortings	1600	x16127
509F	Progress Monitoring dp, trees	2300	x1064
509E	Pretty Song math, strings	2000	x1788
509D	Restoring Numbers constructive algorithms, math	2200	x741
509C	Sums of Digits dp, greedy, implementation	2000	x2064
508E	Arthur and Brackets dp, greedy	2200	x1750
508D	Tanya and Password dfs and similar, graphs	2500	x3382
508C	Anya and Ghosts constructive algorithms, greedy	1600	x4456
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2850
507D	The Maths Lecture dp, implementation	2200	x1749
507C	Guess Your Way Out! implementation, math, trees	1700	x4321
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x732
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2122
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1392
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2514
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6335
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x908
504D	Misha and XOR bitmasks	2700	x303
501E	Misha and Palindrome Degree binary search, combinatorics, implementation	2500	x914
501D	Misha and Permutations Summation data structures	2000	x2391
500G	New Year Running number theory, trees	3200	x157
500F	New Year Shopping divide and conquer, dp	2700	x731
500E	New Year Domino data structures, dp, dsu	2300	x1426
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3112
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5802
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8855
498E	Stairs and Lines dp, matrices	2700	x465
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1110
498C	Array and Operations flows, graph matchings, number theory	2100	x3399
498B	Name That Tune dp, probabilities, two pointers	2400	x1166
498A	Crazy Town geometry	1700	x6442
497E	Subsequences Return dp, matrices	2900	x285
497D	Gears brute force, geometry, math	2900	x228
496E	Distributing Parts greedy, sortings	2100	x1654
496D	Tennis Game binary search	1900	x3009
495B	Modular Equations math, number theory	1600	x6883
494E	Sharti data structures, games	3200	x316
494D	Birthday data structures, dfs and similar, dp, trees	2700	x524
494C	Helping People dp, probabilities	2600	x851
494B	Obsessive String dp, strings	2000	x2693
493E	Vasya and Polynomial math	2800	x483
493D	Vasya and Chess constructive algorithms, games, math	1700	x9643
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6782
492E	Vanya and Field math	2000	x1620
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3152
491C	Deciphering flows, graph matchings	2300	x409
491B	New York Hotel greedy, math	2100	x552
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1677
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1592
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2130
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9062
489F	Special Matrices combinatorics, dp	2100	x1664
489E	Hiking binary search, dp	2300	x1027
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6663
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2117
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2319
487D	Conveyor Belts data structures	2700	x890
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2764
487B	Strip binary search, data structures, dp, two pointers	2000	x3500
487A	Fight the Monster binary search, brute force, implementation	1800	x3716
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2234
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3966
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11691
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2314
484D	Kindergarten data structures, dp, greedy	2400	x2588
484C	Strange Sorting implementation, math	2600	x592
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7014
484A	Bits bitmasks, constructive algorithms	1700	x11243
483B	Friends and Presents binary search, math	1800	x4070
482E	ELCA data structures, trees	3200	x176
482D	Random Function and Tree combinatorics, dp, trees	2700	x531
482C	Game with Strings bitmasks, dp, probabilities	2600	x913
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6432
480E	Parking Lot data structures, divide and conquer	2800	x554
480D	Parcels dp, graphs	2600	x460
479E	Riding in a Lift combinatorics, dp	1900	x5102
479D	Long Jumps binary search, greedy, implementation	1700	x4778
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x220
478D	Red-Green Towers dp	2000	x5892
478C	Table Decorations greedy	1800	x18115
477E	Dreamoon and Notepad data structures	3100	x135
477D	Dreamoon and Binary dp, strings	2700	x524
476E	Dreamoon and Strings dp, strings	2200	x1966
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4637
476C	Dreamoon and Sums math	1600	x5702