Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
19:42:43
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Codeforces Round 941 (Div. 2)
19:42:43
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Problems

#	Name
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x3925
1223D	Sequence Sorting dp, greedy, two pointers	2000	x3924
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3909
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x3893
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x3887
1032C	Playing Piano constructive algorithms, dp	1700	x3884
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3868
1474D	Cleaning data structures, dp, greedy, math	2200	x3867
358D	Dima and Hares dp, greedy	1800	x3867
629D	Babaei and Birthday Cake data structures, dp	2000	x3860
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x3858
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3855
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3850
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3833
191A	Dynasty Puzzles dp	1500	x3794
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3776
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3770
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3766
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x3765
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x3762
148E	Porcelain dp	1900	x3761
734E	Anton and Tree dfs and similar, dp, trees	2100	x3732
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	1900	x3715
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3683
924C	Riverside Curio data structures, dp, greedy	1700	x3675
1551E	Fixed Points binary search, brute force, dp	2000	x3669
1107D	Compression dp, implementation, math, number theory	1800	x3669
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3666
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3653
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3647
1614D1	Divan and Kostomuksha (easy version) dp, number theory	2100	x3647
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3644
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3642
1016C	Vasya And The Mushrooms dp, implementation	1800	x3635
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3632
1611E2	Escape The Maze (hard version) dfs and similar, dp, greedy, shortest paths, trees	1900	x3629
1156D	0-1-Tree dfs and similar, divide and conquer, dp, dsu, trees	2200	x3627
1680E	Moving Chips bitmasks, dp, greedy	2000	x3622
372C	Watching Fireworks is Fun data structures, dp, math	2100	x3619
283B	Cow Program dfs and similar, dp, graphs	1700	x3605
55D	Beautiful numbers dp, number theory	2500	x3589
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3588
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3580
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3576
149D	Coloring Brackets dp	1900	x3563
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3560
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3541
1467D	Sum of Paths combinatorics, dp, math	2200	x3538
1646D	Weight the Tree constructive algorithms, dfs and similar, dp, implementation, trees	2000	x3528
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3516
120F	Spiders dp, greedy, trees	1400	x3503
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3478
1667B	Optimal Partition data structures, dp	2100	x3465
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3459
1316E	Team Building bitmasks, dp, greedy, sortings	2300	x3440
917A	The Monster dp, greedy, implementation, math	1800	x3421
666A	Reberland Linguistics dp, implementation, strings	1800	x3413
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3405
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3402
940E	Cashback data structures, dp, greedy, math	2000	x3397
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3385
1458B	Glass Half Spilled dp	2000	x3370
1515E	Phoenix and Computers combinatorics, dp, math	2200	x3351
487B	Strip binary search, data structures, dp, two pointers	2000	x3344
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3334
1336C	Kaavi and Magic Spell dp, strings	2200	x3326
1606E	Arena combinatorics, dp, math	2100	x3325
235B	Let's Play Osu! dp, math, probabilities	2000	x3322
346B	Lucky Common Subsequence dp, strings	2000	x3321
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3319
1265E	Beautiful Mirrors data structures, dp, math, probabilities	2100	x3317
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3314
1932F	Feed Cats data structures, dp, sortings	1900	x3309
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3307
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3303
582B	Once Again... constructive algorithms, dp, matrices	1900	x3302
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3301
756B	Travel Card binary search, dp	1600	x3298
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3294
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3294
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3277
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3263
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3260
1110D	Jongmah dp	2200	x3257
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3253
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3240
8C	Looking for Order bitmasks, dp	2000	x3240
1012C	Hills dp	1900	x3209
811C	Vladik and Memorable Trip dp, implementation	1900	x3202
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3199
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3199
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3195
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3186
109C	Lucky Tree dp, dsu, trees	1900	x3183
1175E	Minimal Segment Cover data structures, dfs and similar, divide and conquer, dp, greedy, implementation, trees	2200	x3180
311B	Cats Transport data structures, dp	2400	x3178
682D	Alyona and Strings dp, strings	1900	x3171
981D	Bookshelves bitmasks, dp, greedy	1900	x3156
730J	Bottles dp	1900	x3144
35D	Animals dp, greedy	1700	x3136