Problemset - Codeforces

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Codeforces Round 970 (Div. 3)
08:01:18
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Problems

#	Name
1398C	Good Subarrays data structures, dp, math	1600	x25934
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x14026
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6747
1392D	Omkar and Bed Wars dp, greedy	1700	x8881
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x5247
1389B	Array Walk brute force, dp, greedy	1600	x16593
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3887
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x5029
1381B	Unmerge dp	1800	x8851
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5514
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15522
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9555
1369D	TediousLee dp, graphs, greedy, math, trees	1900	x8581
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5420
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6788
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x12325
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x9380
1353E	K-periodic Garland brute force, dp, greedy	1900	x7104
1346E	Magic Tricks *special problem, dp, graphs	1700	x377
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7831
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x20201
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x8325
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10816
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x13087
1327E	Count The Blocks combinatorics, dp, math	1800	x8906
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9846
1324E	Sleeping Schedule dp, implementation	1700	x13412
1313C2	Skyscrapers (hard version) data structures, dp, greedy	1900	x6445
1296E2	String Coloring (hard version) data structures, dp	2000	x5004
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7434
1295C	Obtain The String dp, greedy, strings	1600	x12875
1294F	Three Paths on a Tree dfs and similar, dp, greedy, trees	2000	x5747
1288D	Minimax Problem binary search, bitmasks, dp	2000	x7109
1288C	Two Arrays combinatorics, dp	1600	x12770
1286A	Garland dp, greedy, sortings	1800	x8745
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7670
1283E	New Year Parties dp, greedy	1800	x6519
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x10145
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x8001
1268B	Domino for Young dp, greedy, math	2000	x5890
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3827
1257E	The Contest data structures, dp, greedy	2000	x4204
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7516
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x4094
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9614
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2377
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7514
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7326
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5942
1238C	Standard Free2play dp, greedy, math	1600	x7392
1223D	Sequence Sorting dp, greedy, two pointers	2000	x4001
1221D	Make The Fence Great Again dp	1800	x8988
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x5142
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2946
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6660
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4554
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4111
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5341
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9685
1183H	Subsequences (hard version) dp, strings	1900	x3143
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4772
1181C	Flag brute force, combinatorics, dp, implementation	1900	x3113
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	1900	x4007
1157F	Maximum Balanced Circle constructive algorithms, dp, greedy, two pointers	2000	x2612
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6873
1153D	Serval and Rooted Tree binary search, dfs and similar, dp, greedy, trees	1900	x4943
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x11077
1142B	Lynyrd Skynyrd data structures, dfs and similar, dp, math, trees	2000	x2906
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5418
1132F	Clear the String dp	2000	x8049
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x3238
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4976
1114D	Flood Fill dp	1900	x6740
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8471
1107D	Compression dp, implementation, math, number theory	1800	x3718
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1984
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4562
1096D	Easy Problem dp	1800	x7981
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7916
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6719
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5376
1082E	Increasing Frequency binary search, dp, greedy	2000	x4404
1077F1	Pictures with Kittens (easy version) dp	1900	x4356
1067A	Array Without Local Maximums dp	1900	x2847
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8714
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x3122
1057C	Tanya and Colored Candies *special problem, dp	2000	x905
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5833
1051D	Bicolorings bitmasks, dp	1700	x7348
1038D	Slime dp, greedy, implementation	1800	x8318
1036C	Classy Numbers combinatorics, dp	1900	x9379
1033C	Permutation Game brute force, dp, games	1600	x5544
1032C	Playing Piano constructive algorithms, dp	1700	x3949
1030E	Vasya and Good Sequences bitmasks, dp	2000	x3071
1016C	Vasya And The Mushrooms dp, implementation	1800	x3686
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3566
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5683
1012C	Hills dp	1900	x3465
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x4150
999F	Cards and Joy dp	2000	x2640