Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
45:00:04
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Problems

#	Name
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6579
1089A	Alice the Fan dp	2200	x1111
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1394
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x504
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7486
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3751
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5175
1082F	Speed Dial dp, strings, trees	2800	x397
1082E	Increasing Frequency binary search, dp, greedy	2000	x3981
1081C	Colorful Bricks combinatorics, dp, math	1500	x6946
1077F2	Pictures with Kittens (hard version) data structures, dp	2100	x2849
1077F1	Pictures with Kittens (easy version) dp	1900	x3951
1076F	Summer Practice Report dp, greedy	2500	x618
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x517
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2372
1070J	Streets and Avenues in Berhattan dp	2300	x678
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2258
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x419
1067D	Computer Game dp, greedy, math, probabilities	3100	x350
1067A	Array Without Local Maximums dp	1900	x2768
1066F	Yet another 2D Walking dp	2100	x1751
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1123
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1266
1063F	String Journey data structures, dp, string suffix structures	3300	x795
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8311
1060F	Shrinking Tree combinatorics, dp	2900	x523
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x2969
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1349
1057C	Tanya and Colored Candies *special problem, dp	2000	x855
1056F	Write The Contest binary search, dp, math	2500	x461
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5611
1055E	Segments on the Line binary search, dp	2500	x706
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x863
1051D	Bicolorings bitmasks, dp	1700	x7084
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9118
1044C	Optimal Polygon Perimeter dp, geometry	2100	x1198
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2164
1042E	Vasya and Magic Matrix dp, math, probabilities	2300	x1676
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x15035
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1437
1040B	Shashlik Cooking dp, greedy, math	1300	x7008
1039D	You Are Given a Tree data structures, dp, trees	2800	x1632
1038F	Wrap Around dp, strings	2900	x289
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x950
1038D	Slime dp, greedy, implementation	1800	x8101
1037C	Equalize dp, greedy, strings	1300	x18264
1036C	Classy Numbers combinatorics, dp	1900	x8490
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x583
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x843
1033C	Permutation Game brute force, dp, games	1600	x5361
1032F	Vasya and Maximum Matching dp, trees	2400	x891
1032E	The Unbearable Lightness of Weights dp, math	2100	x1470
1032C	Playing Piano constructive algorithms, dp	1700	x3883
1030E	Vasya and Good Sequences bitmasks, dp	2000	x2967
1029E	Tree with Small Distances dp, graphs, greedy	2100	x2760
1029B	Creating the Contest dp, greedy, math	1200	x16362
1028G	Guess the number dp, interactive	3000	x524
1027E	Inverse Coloring combinatorics, dp, math	2100	x1856
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3294
1016F	Road Projects dfs and similar, dp, trees	2600	x771
1016C	Vasya And The Mushrooms dp, implementation	1800	x3634
1015F	Bracket Substring dp, strings	2300	x1038
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3456
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5434
1012F	Passports dp, implementation	3400	x150
1012C	Hills dp	1900	x3208
1007E	Mini Metro dp	3400	x157
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4611
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9777
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1006
1003F	Abbreviation dp, hashing, strings	2200	x1091
1000G	Two-Paths data structures, dp, trees	2700	x549
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x3938
999F	Cards and Joy dp	2000	x2504
998B	Cutting dp, greedy, sortings	1200	x12721
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2854
996A	Hit the Lottery dp, greedy	800	x83597
995F	Cowmpany Cowmpensation combinatorics, dp, math, trees	2700	x1116
993D	Compute Power binary search, dp, greedy	2500	x590
991D	Bishwock dp, greedy	1500	x6993
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1714
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x868
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x227
988F	Rain and Umbrellas dp	2100	x2180
987C	Three displays brute force, dp, implementation	1400	x13035
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3221
983C	Elevator dp, graphs, shortest paths	2400	x800
983B	XOR-pyramid dp	1800	x5198
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10728
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x262
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x1987
981D	Bookshelves bitmasks, dp, greedy	1900	x3153
980F	Cactus to Tree dp, graphs, trees	2900	x189
980D	Perfect Groups dp, math, number theory	2100	x2402
979E	Kuro and Topological Parity dp	2400	x583
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1676
977F	Consecutive Subsequence dp	1700	x16836
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1324
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2690