Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
13:27:37
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Before contest
Codeforces Round 941 (Div. 2)
13:27:37
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Problems

#	Name
513G2	Inversions problem dp, probabilities	2400	x626
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1754
513E2	Subarray Cuts dp	2700	x542
513E1	Subarray Cuts dp	2600	x464
512D	Fox And Travelling dp, trees	2900	x929
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5168
509F	Progress Monitoring dp, trees	2300	x861
509C	Sums of Digits dp, greedy, implementation	2000	x1997
508E	Arthur and Brackets dp, greedy	2200	x1529
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2589
507D	The Maths Lecture dp, implementation	2200	x1680
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x683
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6063
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12066
500F	New Year Shopping divide and conquer, dp	2700	x694
500E	New Year Domino data structures, dp, dsu	2300	x1389
498E	Stairs and Lines dp, matrices	2700	x448
498D	Traffic Jams in the Land data structures, dp, number theory	2400	x1061
498B	Name That Tune dp, probabilities, two pointers	2400	x1147
497E	Subsequences Return dp, matrices	2900	x281
494D	Birthday data structures, dfs and similar, dp, trees	2700	x513
494C	Helping People dp, probabilities	2600	x828
494B	Obsessive String dp, strings	2000	x2567
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1546
489F	Special Matrices combinatorics, dp	2100	x1595
489E	Hiking binary search, dp	2300	x998
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44303
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46343
487B	Strip binary search, data structures, dp, two pointers	2000	x3344
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2015
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3850
484D	Kindergarten data structures, dp, greedy	2400	x2410
482D	Random Function and Tree combinatorics, dp, trees	2700	x520
482C	Game with Strings bitmasks, dp, probabilities	2600	x870
480D	Parcels dp, graphs	2600	x451
479E	Riding in a Lift combinatorics, dp	1900	x4926
478D	Red-Green Towers dp	2000	x5451
477D	Dreamoon and Binary dp, strings	2700	x498
476E	Dreamoon and Strings dp, strings	2200	x1757
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28948
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3091
474D	Flowers dp	1700	x23825
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x305
467E	Alex and Complicated Task data structures, dp, greedy	2300	x761
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1762
467C	George and Job dp, implementation	1700	x14049
466D	Increase Sequence combinatorics, dp	2100	x2831
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34485
464D	World of Darkraft - 2 dp, probabilities	2700	x655
464C	Substitutes in Number dp	2100	x1650
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5906
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5310
459E	Pashmak and Graph dp, sortings	1900	x5252
457F	An easy problem about trees dp, games, greedy, trees	3200	x103
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5120
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5641
455A	Boredom dp	1500	x54014
453D	Little Pony and Elements of Harmony dp, matrices	3000	x459
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4516
449E	Jzzhu and Squares dp, math, number theory	2900	x281
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4059
448C	Painting Fence divide and conquer, dp, greedy	1900	x7788
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12227
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x670
440D	Berland Federalization dp, trees	2200	x624
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1474
437E	The Child and Polygon dp, geometry	2500	x689
436F	Banners brute force, data structures, dp	3000	x358
436D	Pudding Monsters dp	2800	x314
435D	Special Grid brute force, dp, greedy	2000	x745
433E	Tachibana Kanade's Tofu dp	2500	x470
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36177
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8160
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2103
431C	k-Tree dp, implementation, trees	1600	x24464
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x900
429B	Working out dp	1600	x8279
427D	Match & Catch dp, string suffix structures, strings	2200	x2084
425E	Sereja and Sets dp	2500	x543
425C	Sereja and Two Sequences data structures, dp	2300	x881
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x122
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x554
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2372
417A	Elimination dp, implementation, math	1500	x2865
416E	President's Path dp, graphs, shortest paths	2500	x1387
416C	Booking System binary search, dp, greedy, implementation	1600	x7620
416B	Art Union brute force, dp, implementation	1300	x8466
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x20720
413D	2048 bitmasks, dp	2000	x749
407D	Largest Submatrix 3 dp, hashing	2700	x539
407B	Long Path dp, implementation	1600	x6405
404D	Minesweeper 1D dp, implementation	1900	x2056
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1061
402D	Upgrading Array dp, greedy, math, number theory	1800	x2513
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x3965
398B	Painting The Wall dp, probabilities		x992
392B	Tower of Hanoi dp		x884
391F1	Stock Trading dp		x161
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x411
386C	Diverse Substrings dp, strings, two pointers	2000	x710