Problemset - Codeforces

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Codeforces Round 942 (Div. 1)
01:57:02
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Codeforces Round 942 (Div. 2)
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Problems

#	Name
1327E	Count The Blocks combinatorics, dp, math	1800	x8494
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9027
1324E	Sleeping Schedule dp, implementation	1700	x12531
1313C2	Skyscrapers (hard version) data structures, dp, greedy	1900	x6151
1296E2	String Coloring (hard version) data structures, dp	2000	x4723
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7089
1295C	Obtain The String dp, greedy, strings	1600	x12540
1294F	Three Paths on a Tree dfs and similar, dp, greedy, trees	2000	x5341
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6671
1288C	Two Arrays combinatorics, dp	1600	x12264
1286A	Garland dp, greedy, sortings	1800	x8381
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7326
1283E	New Year Parties dp, greedy	1800	x6268
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9811
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7596
1268B	Domino for Young dp, greedy, math	2000	x5608
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3582
1257E	The Contest data structures, dp, greedy	2000	x4117
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7200
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3868
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9205
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2287
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7218
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7080
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5727
1238C	Standard Free2play dp, greedy, math	1600	x7098
1223D	Sequence Sorting dp, greedy, two pointers	2000	x3925
1221D	Make The Fence Great Again dp	1800	x8602
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x4930
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2713
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6428
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4357
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3914
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5089
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9308
1183H	Subsequences (hard version) dp, strings	1900	x2900
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4507
1181C	Flag brute force, combinatorics, dp, implementation	1900	x3001
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	1900	x3718
1157F	Maximum Balanced Circle constructive algorithms, dp, greedy, two pointers	2000	x2513
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6677
1153D	Serval and Rooted Tree binary search, dfs and similar, dp, greedy, trees	1900	x4829
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10675
1142B	Lynyrd Skynyrd data structures, dfs and similar, dp, math, trees	2000	x2734
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5180
1132F	Clear the String dp	2000	x7261
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x3091
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4882
1114D	Flood Fill dp	1900	x6515
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8354
1107D	Compression dp, implementation, math, number theory	1800	x3672
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1902
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4397
1096D	Easy Problem dp	1800	x7684
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7142
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6585
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5192
1082E	Increasing Frequency binary search, dp, greedy	2000	x4006
1077F1	Pictures with Kittens (easy version) dp	1900	x3973
1067A	Array Without Local Maximums dp	1900	x2770
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8337
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x2973
1057C	Tanya and Colored Candies *special problem, dp	2000	x864
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5614
1051D	Bicolorings bitmasks, dp	1700	x7118
1038D	Slime dp, greedy, implementation	1800	x8110
1036C	Classy Numbers combinatorics, dp	1900	x8536
1033C	Permutation Game brute force, dp, games	1600	x5368
1032C	Playing Piano constructive algorithms, dp	1700	x3886
1030E	Vasya and Good Sequences bitmasks, dp	2000	x2967
1016C	Vasya And The Mushrooms dp, implementation	1800	x3636
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3461
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5452
1012C	Hills dp	1900	x3213
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x3947
999F	Cards and Joy dp	2000	x2512
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2856
983B	XOR-pyramid dp	1800	x5216
981D	Bookshelves bitmasks, dp, greedy	1900	x3157
977F	Consecutive Subsequence dp	1700	x16903
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2693
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3301
958C2	Encryption (medium) dp	2000	x1134
946D	Timetable dp	1800	x4261
940E	Cashback data structures, dp, greedy, math	2000	x3406
933A	A Twisty Movement dp	1800	x4827
930C	Teodor is not a liar! data structures, dp	1900	x2069
924C	Riverside Curio data structures, dp, greedy	1700	x3676
919D	Substring dfs and similar, dp, graphs	1700	x9286
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3480
917A	The Monster dp, greedy, implementation, math	1800	x3422
915C	Permute Digits dp, greedy	1700	x6876
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3590
913C	Party Lemonade bitmasks, dp, greedy	1600	x7739
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x1987
909C	Python Indentation dp	1800	x4740
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x2970
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5112
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3255
893D	Credit Card data structures, dp, greedy, implementation	1900	x2916