Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 950 (Div. 3)
16:39:48
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
915C	Permute Digits dp, greedy	1700	x6915
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3658
913C	Party Lemonade bitmasks, dp, greedy	1600	x7754
909C	Python Indentation dp	1800	x4775
891A	Pride brute force, dp, greedy, math, number theory	1500	x9687
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7745
877B	Nikita and string brute force, dp	1500	x10022
873B	Balanced Substring dp, implementation	1500	x7435
870C	Maximum splitting dp, greedy, math, number theory	1300	x8975
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4418
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4538
859C	Pie Rules dp, games	1500	x5285
858C	Did you mean... dp, greedy, implementation	1500	x5565
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8392
847E	Packmen binary search, dp	1800	x2768
846C	Four Segments brute force, data structures, dp	1800	x2619
845D	Driving Test data structures, dp, greedy	1800	x2336
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16019
835C	Star sky dp, implementation	1600	x7659
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6644
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2968
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7089
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6331
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5090
798C	Mike and gcd problem dp, greedy, number theory	1700	x5651
798B	Mike and strings brute force, dp, strings	1300	x8283
797B	Odd sum dp, greedy, implementation	1400	x10198
788A	Functions again dp, two pointers	1600	x8978
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6290
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9359
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3773
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4330
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10174
761C	Dasha and Password brute force, dp, implementation	1500	x5843
756B	Travel Card binary search, dp	1600	x3351
747D	Winter Is Coming dp, greedy, sortings	1800	x3015
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4256
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5155
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5295
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3302
729B	Spotlights dp, implementation	1200	x7753
721C	Journey dp, graphs	1800	x5700
718A	Efim and Strange Grade dp, implementation, math	1700	x4326
711C	Coloring Trees dp	1700	x7858
706C	Hard problem dp, strings	1600	x15722
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3808
698A	Vacations dp	1400	x28696
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4149
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7019
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18242
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4112
666A	Reberland Linguistics dp, implementation, strings	1800	x3422
665C	Simple Strings dp, greedy, strings	1300	x9356
660C	Hard Process binary search, dp, two pointers	1600	x9128
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4901
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2773
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1957
628B	New Skateboard dp	1300	x10377
627A	XOR Equation dp, math	1700	x3976
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2655
626B	Cards constructive algorithms, dp, math	1300	x6535
615B	Longtail Hedgehog dp, graphs	1600	x4975
611C	New Year and Domino dp, implementation	1500	x8346
607A	Chain Reaction binary search, dp	1600	x9383
603A	Alternative Thinking dp, greedy, math	1600	x7559
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10477
597B	Restaurant dp, greedy, sortings	1600	x4676
580D	Kefa and Dishes bitmasks, dp	1800	x9265
575H	Bots combinatorics, dp, math, number theory	1800	x1637
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5707
567C	Geometric Progression binary search, data structures, dp	1700	x9308
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3538
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8404
550C	Divisibility by Eight brute force, dp, math	1500	x27443
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36539
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8296
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11318
545C	Woodcutters dp, greedy	1500	x26403
543A	Writing Code dp	1800	x7709
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17663
534B	Covered Path dp, greedy, math	1400	x9938
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2226
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4663
524B	Фото на память - 2 (round version) dp, greedy	1700	x1446
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15782
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6287
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6722
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1757
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12131
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44786
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46907
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x29284
474D	Flowers dp	1700	x24123
467C	George and Job dp, implementation	1700	x14170
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34792
455A	Boredom dp	1500	x54795
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12278
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36757
431C	k-Tree dp, implementation, trees	1600	x24714
429B	Working out dp	1600	x8327