Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
08:00:51
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Problems

#	Name
119C	Education Reform dp	2000	x879
118E	Bertown roads dfs and similar, graphs	2000	x6320
117D	Not Quick Transformation divide and conquer, math	2500	x332
117C	Cycle dfs and similar, graphs	2000	x2576
115E	Linear Kingdom Races data structures, dp	2400	x1426
115C	Plumber math	2200	x589
113C	Double Happiness brute force, math, number theory	2200	x1216
113B	Petr# brute force, data structures, hashing, strings	2000	x2762
111D	Petya and Coloring combinatorics, dp	2300	x727
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1314
109D	Lucky Sorting constructive algorithms, sortings	2000	x659
107D	Crime Management dp, graphs, matrices	2400	x402
107C	Arrangement bitmasks, dp	2400	x364
106E	Space Rescuers geometry, ternary search	2100	x852
105E	Lift and Throw brute force	2500	x184
105C	Item World brute force, implementation, sortings	2200	x329
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2037
101E	Candies and Stones divide and conquer, dp	2500	x480
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x674
101C	Vectors implementation, math	2000	x690
100J	Interval Coloring *special problem, greedy, math	2400	x61
100H	Battleship *special problem, dfs and similar, implementation	2100	x75
98D	Help Monks constructive algorithms	2500	x182
98C	Help Greg the Dwarf geometry, ternary search	2500	x303
98B	Help King implementation, probabilities, trees	2200	x118
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x375
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x302
97B	Superset constructive algorithms, divide and conquer	2300	x811
97A	Domino brute force, implementation	2400	x258
95E	Lucky Country dp, dsu, graphs	2500	x1425
95D	Horse Races dp, math	2500	x420
93D	Flags dp, math, matrices	2500	x337
93C	Azembler brute force, implementation	2500	x413
91E	Igloo Skyscraper data structures, geometry	2500	x591
91C	Ski Base combinatorics, dsu, graphs	2300	x868
89D	Space mines geometry	2500	x231
89C	Chip Play brute force, data structures, implementation	2300	x614
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x513
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x861
87C	Interesting Game dp, games, math	2000	x1315
86D	Powerful array data structures, implementation, math, two pointers	2200	x13098
86C	Genetic engineering dp, string suffix structures, trees	2500	x691
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x403
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1968
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x524
83D	Numbers dp, math, number theory	2400	x840
83C	Track graphs, greedy, shortest paths	2400	x409
82D	Two out of Three dp	2000	x1951
82C	General Mobilization data structures, dfs and similar, sortings	2000	x804
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x641
78E	Evacuation flows, graphs, shortest paths	2300	x531
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x307
78C	Beaver Game dp, games, number theory	2000	x1828
77D	Domino Carpet dp, implementation	2300	x316
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x985
76F	Tourist binary search, data structures, dp	2300	x618
76B	Mice greedy, two pointers	2100	x724
76A	Gift dsu, graphs, sortings, trees	2200	x1544
75E	Ship's Shortest Path geometry, shortest paths	2400	x272
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1759
74D	Hanger data structures	2400	x366
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1242
73E	Morrowindows math, number theory	2400	x329
73D	FreeDiv dfs and similar, graphs, greedy	2200	x622
73B	Need For Brake binary search, greedy, sortings	2000	x492
72D	Perse-script *special problem, expression parsing	2300	x73
72B	INI-file *special problem, implementation	2200	x76
71E	Nuclear Fusion bitmasks, dp	2200	x695
71D	Solitaire brute force, implementation	2200	x625
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x564
69C	Game implementation	2000	x577
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x453
68C	Synchrophasotron brute force	2200	x305
67E	Save the City! geometry	2500	x315
66E	Petya and Post data structures, dp	2000	x696
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x422
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x774
64I	Sort the Table *special problem, sortings	2400	x86
64H	Table Bowling *special problem, sortings	2300	x111
64G	Path Canonization *special problem	2200	x117
64F	Domain *special problem, expression parsing	2000	x178
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x719
62D	Wormhouse dfs and similar, graphs	2300	x351
62C	Inquisition geometry, implementation, sortings	2300	x248
61C	Capture Valerian math	2000	x697
60D	Savior brute force, dsu, math	2500	x402
60C	Mushroom Strife brute force, dfs and similar	2100	x558
59E	Shortest Path graphs, shortest paths	2000	x3229
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x610
58E	Expression dp	2400	x352
58D	Calendar greedy, strings	2000	x717
57D	Journey dp, math	2500	x334
56E	Domino Principle binary search, data structures, sortings	2200	x2263
56D	Changing a String dp	2100	x1562
55E	Very simple problem geometry, two pointers	2500	x682
55D	Beautiful numbers dp, number theory	2500	x3728
54D	Writing a Song brute force, dp, strings	2100	x528
54C	First Digit Law dp, math, probabilities	2000	x1260
53E	Dead Ends bitmasks, dp	2500	x922
52C	Circular RMQ data structures	2200	x8562