Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
107C	Arrangement bitmasks, dp	2400	x364
106E	Space Rescuers geometry, ternary search	2100	x857
105E	Lift and Throw brute force	2500	x184
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x138
105C	Item World brute force, implementation, sortings	2200	x333
103E	Buying Sets flows, graph matchings	2900	x846
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2045
101E	Candies and Stones divide and conquer, dp	2500	x480
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x675
101C	Vectors implementation, math	2000	x690
100J	Interval Coloring *special problem, greedy, math	2400	x62
100H	Battleship *special problem, dfs and similar, implementation	2100	x76
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x467
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
97D	Robot in Basement bitmasks, brute force, implementation	2700	x243
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	x1435
95D	Horse Races dp, math	2500	x422
93E	Lostborn dp, math, number theory	2600	x471
93D	Flags dp, math, matrices	2500	x342
93C	Azembler brute force, implementation	2500	x413
91E	Igloo Skyscraper data structures, geometry	2500	x593
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x264
91C	Ski Base combinatorics, dsu, graphs	2300	x868
89E	Fire and Ice greedy	2900	x99
89D	Space mines geometry	2500	x231
89C	Chip Play brute force, data structures, implementation	2300	x615
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x513
87E	Mogohu-Rea Idol geometry	2600	x557
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x863
87C	Interesting Game dp, games, math	2000	x1316
86E	Long sequence brute force, math, matrices	2700	x180
86D	Powerful array data structures, implementation, math, two pointers	2200	x13172
86C	Genetic engineering dp, string suffix structures, trees	2500	x698
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x403
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x941
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1976
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x524
83E	Two Subsequences bitmasks, dp	2800	x465
83D	Numbers dp, math, number theory	2400	x842
83C	Track graphs, greedy, shortest paths	2400	x409
82E	Corridor geometry	2600	x217
82D	Two out of Three dp	2000	x1952
82C	General Mobilization data structures, dfs and similar, sortings	2000	x804
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x331
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x641
79E	Security System math	2900	x128
79D	Password bitmasks, dp, shortest paths	2800	x1067
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	x1833
77E	Martian Food geometry	2800	x371
77D	Domino Carpet dp, implementation	2300	x316
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x986
76F	Tourist binary search, data structures, dp	2300	x621
76C	Mutation bitmasks, dp, math	2700	x306
76B	Mice greedy, two pointers	2100	x725
76A	Gift dsu, graphs, sortings, trees	2200	x1548
75E	Ship's Shortest Path geometry, shortest paths	2400	x272
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1759
74E	Shift It! constructive algorithms	2800	x150
74D	Hanger data structures	2400	x366
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1271
73F	Plane of Tanks brute force, geometry	2900	x77
73E	Morrowindows math, number theory	2400	x329
73D	FreeDiv dfs and similar, graphs, greedy	2200	x623
73B	Need For Brake binary search, greedy, sortings	2000	x492
72D	Perse-script *special problem, expression parsing	2300	x74
72B	INI-file *special problem, implementation	2200	x77
71E	Nuclear Fusion bitmasks, dp	2200	x695
71D	Solitaire brute force, implementation	2200	x632
70E	Information Reform dp, implementation, trees	2700	x483
70D	Professor's task data structures, geometry	2700	x975
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x566
69C	Game implementation	2000	x578
68E	Contact geometry	2900	x71
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x454
68C	Synchrophasotron brute force	2200	x305
67E	Save the City! geometry	2500	x315
67C	Sequence of Balls dp	2600	x672
66E	Petya and Post data structures, dp	2000	x698
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x89
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	x87
64H	Table Bowling *special problem, sortings	2300	x112
64G	Path Canonization *special problem	2200	x118
64F	Domain *special problem, expression parsing	2000	x179
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x720
62E	World Evil dp, flows	2700	x227
62D	Wormhouse dfs and similar, graphs	2300	x351
62C	Inquisition geometry, implementation, sortings	2300	x248
61C	Capture Valerian math	2000	x699
60E	Mushroom Gnomes math, matrices	2600	x321
60D	Savior brute force, dsu, math	2500	x402