Problemset - Codeforces

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Problems

#	Name
80A	Panoramix's Prediction brute force	800	x54491
79E	Security System math	2900	x136
79D	Password bitmasks, dp, shortest paths	2800	x1187
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1816
79B	Colorful Field implementation, sortings	1400	x7294
79A	Bus Game greedy	1200	x4096
78E	Evacuation flows, graphs, shortest paths	2300	x580
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x330
78C	Beaver Game dp, games, number theory	2000	x1888
78B	Easter Eggs constructive algorithms, implementation	1200	x13692
78A	Haiku implementation, strings	800	x12906
77E	Martian Food geometry	2800	x380
77D	Domino Carpet dp, implementation	2300	x329
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1038
77B	Falling Anvils math, probabilities	1800	x2634
77A	Heroes brute force, implementation	1400	x1781
76F	Tourist binary search, data structures, dp	2300	x641
76E	Points implementation, math	1700	x1720
76D	Plus and xor dp, greedy, math	1700	x2075
76C	Mutation bitmasks, dp, math	2700	x314
76B	Mice greedy, two pointers	2100	x752
76A	Gift dsu, graphs, sortings, trees	2200	x1609
75E	Ship's Shortest Path geometry, shortest paths	2400	x280
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1832
75C	Modified GCD binary search, number theory	1600	x12883
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3323
75A	Life Without Zeros implementation	1000	x26368
74E	Shift It! constructive algorithms	2800	x155
74D	Hanger data structures	2400	x370
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1290
74B	Train dp, games, greedy	1500	x1550
74A	Room Leader implementation	1000	x5202
73F	Plane of Tanks brute force, geometry	2900	x81
73E	Morrowindows math, number theory	2400	x361
73D	FreeDiv dfs and similar, graphs, greedy	2200	x643
73C	LionAge II dp	1800	x2126
73B	Need For Brake binary search, greedy, sortings	2000	x507
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1356
72I	Goofy Numbers *special problem, implementation	1500	x465
72H	Reverse It! *special problem, implementation	1600	x267
72G	Fibonacci army *special problem, dp	1000	x2315
72F	Oil *special problem, greedy, math	1900	x120
72E	Ali goes shopping *special problem, brute force, strings	1800	x173
72D	Perse-script *special problem, expression parsing	2300	x75
72C	Extraordinarily Nice Numbers *special problem, math	1200	x923
72B	INI-file *special problem, implementation	2200	x78
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x187
71E	Nuclear Fusion bitmasks, dp	2200	x741
71D	Solitaire brute force, implementation	2200	x657
71C	Round Table Knights dp, math, number theory	1600	x6563
71B	Progress Bar implementation, math	1300	x4559
71A	Way Too Long Words strings	800	x391883
70E	Information Reform dp, implementation, trees	2700	x505
70D	Professor's task data structures, geometry	2700	x997
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x581
70B	Text Messaging expression parsing, greedy, strings	1600	x1780
70A	Cookies math	1300	x3295
69E	Subsegments data structures, implementation	1800	x4394
69D	Dot dp, games	1900	x1014
69C	Game implementation	2000	x592
69B	Bets greedy, implementation	1200	x3283
69A	Young Physicist implementation, math	1000	x168025
68E	Contact geometry	2900	x72
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x472
68C	Synchrophasotron brute force	2200	x311
68B	Energy exchange binary search	1600	x4662
68A	Irrational problem implementation, number theory	1100	x4956
67E	Save the City! geometry	2500	x318
67D	Optical Experiment binary search, data structures, dp	1900	x1456
67C	Sequence of Balls dp	2600	x689
67B	Restoration of the Permutation greedy	1800	x778
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2123
66E	Petya and Post data structures, dp	2000	x758
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3187
66C	Petya and File System data structures, implementation	1800	x1078
66B	Petya and Countryside brute force, implementation	1100	x20682
66A	Petya and Java implementation, strings	1300	x6415
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x94
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x433
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x789
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1378
65A	Harry Potter and Three Spells implementation, math	1800	x1824
64I	Sort the Table *special problem, sortings	2400	x89
64H	Table Bowling *special problem, sortings	2300	x114
64G	Path Canonization *special problem	2200	x121
64F	Domain *special problem, expression parsing	2000	x181
64E	Prime Segment *special problem, brute force, math, number theory	1800	x243
64D	Presents *special problem, greedy	1800	x289
64C	Table *special problem, greedy, implementation, math	1600	x339
64B	Expression *special problem, expression parsing	1500	x1019
64A	Factorial *special problem, implementation	1300	x3118
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x766
63D	Dividing Island constructive algorithms	1900	x1269
63C	Bulls and Cows brute force, implementation	1700	x1736
63B	Settlers' Training implementation	1200	x4842
63A	Sinking Ship implementation, sortings, strings	900	x11590
62E	World Evil dp, flows	2700	x232
62D	Wormhouse dfs and similar, graphs	2300	x374
62C	Inquisition geometry, implementation, sortings	2300	x252
62B	Tyndex.Brome binary search, implementation	1800	x1293