Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
31:41:43
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1096D	Easy Problem dp	1800	x7671
1093F	Vasya and Array dp	2400	x970
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7130
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6582
1089A	Alice the Fan dp	2200	x1112
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1395
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x506
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7504
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3776
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5183
1082F	Speed Dial dp, strings, trees	2800	x404
1082E	Increasing Frequency binary search, dp, greedy	2000	x3996
1081C	Colorful Bricks combinatorics, dp, math	1500	x6982
1077F2	Pictures with Kittens (hard version) data structures, dp	2100	x2855
1077F1	Pictures with Kittens (easy version) dp	1900	x3962
1076F	Summer Practice Report dp, greedy	2500	x619
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x518
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2374
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	x2259
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1067D	Computer Game dp, greedy, math, probabilities	3100	x351
1067A	Array Without Local Maximums dp	1900	x2769
1066F	Yet another 2D Walking dp	2100	x1758
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1131
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1268
1063F	String Journey data structures, dp, string suffix structures	3300	x796
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8328
1060F	Shrinking Tree combinatorics, dp	2900	x527
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x2971
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1351
1057C	Tanya and Colored Candies *special problem, dp	2000	x863
1056F	Write The Contest binary search, dp, math	2500	x462
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5614
1055E	Segments on the Line binary search, dp	2500	x707
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x866
1051D	Bicolorings bitmasks, dp	1700	x7112
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9127
1044C	Optimal Polygon Perimeter dp, geometry	2100	x1199
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2170
1042E	Vasya and Magic Matrix dp, math, probabilities	2300	x1680
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x15098
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x1438
1040B	Shashlik Cooking dp, greedy, math	1300	x7009
1039D	You Are Given a Tree data structures, dp, trees	2800	x1642
1038F	Wrap Around dp, strings	2900	x290
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x951
1038D	Slime dp, greedy, implementation	1800	x8106
1037C	Equalize dp, greedy, strings	1300	x18277
1036C	Classy Numbers combinatorics, dp	1900	x8520
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x585
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x844
1033C	Permutation Game brute force, dp, games	1600	x5367
1032F	Vasya and Maximum Matching dp, trees	2400	x894
1032E	The Unbearable Lightness of Weights dp, math	2100	x1472
1032C	Playing Piano constructive algorithms, dp	1700	x3884
1030E	Vasya and Good Sequences bitmasks, dp	2000	x2967
1029E	Tree with Small Distances dp, graphs, greedy	2100	x2767
1029B	Creating the Contest dp, greedy, math	1200	x16374
1028G	Guess the number dp, interactive	3000	x527
1027E	Inverse Coloring combinatorics, dp, math	2100	x1858
1025D	Recovering BST brute force, dp, math, number theory, trees	2100	x3294
1016F	Road Projects dfs and similar, dp, trees	2600	x772
1016C	Vasya And The Mushrooms dp, implementation	1800	x3635
1015F	Bracket Substring dp, strings	2300	x1044
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3459
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5444
1012F	Passports dp, implementation	3400	x152
1012C	Hills dp	1900	x3209
1007E	Mini Metro dp	3400	x158
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4623
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9795
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1007
1003F	Abbreviation dp, hashing, strings	2200	x1093
1000G	Two-Paths data structures, dp, trees	2700	x552
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x3941
999F	Cards and Joy dp	2000	x2507
998B	Cutting dp, greedy, sortings	1200	x12730
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2856
996A	Hit the Lottery dp, greedy	800	x83844
995F	Cowmpany Cowmpensation combinatorics, dp, math, trees	2700	x1119
993D	Compute Power binary search, dp, greedy	2500	x592
991D	Bishwock dp, greedy	1500	x6997
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1719
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x869
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
988F	Rain and Umbrellas dp	2100	x2189
987C	Three displays brute force, dp, implementation	1400	x13064
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3231
983C	Elevator dp, graphs, shortest paths	2400	x801
983B	XOR-pyramid dp	1800	x5209
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10760
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x264
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x1991
981D	Bookshelves bitmasks, dp, greedy	1900	x3156
980F	Cactus to Tree dp, graphs, trees	2900	x190
980D	Perfect Groups dp, math, number theory	2100	x2406
979E	Kuro and Topological Parity dp	2400	x587
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1681