Problemset - Codeforces

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Codeforces Round 998 (Div. 3)
06:27:02
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Problems

#	Name
80B	Depression geometry, math	1200	x4491
80A	Panoramix's Prediction brute force	800	x55870
79E	Security System math	2900	x138
79D	Password bitmasks, dp, shortest paths	2800	x1208
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1850
79B	Colorful Field implementation, sortings	1400	x7391
79A	Bus Game greedy	1200	x4130
78E	Evacuation flows, graphs, shortest paths	2300	x595
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x335
78C	Beaver Game dp, games, number theory	2000	x1903
78B	Easter Eggs constructive algorithms, implementation	1200	x13898
78A	Haiku implementation, strings	800	x13280
77E	Martian Food geometry	2800	x381
77D	Domino Carpet dp, implementation	2300	x332
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1044
77B	Falling Anvils math, probabilities	1800	x2676
77A	Heroes brute force, implementation	1400	x1785
76F	Tourist binary search, data structures, dp	2300	x650
76E	Points implementation, math	1700	x1729
76D	Plus and xor dp, greedy, math	1700	x2099
76C	Mutation bitmasks, dp, math	2700	x334
76B	Mice greedy, two pointers	2100	x758
76A	Gift dsu, graphs, sortings, trees	2200	x1737
75E	Ship's Shortest Path geometry, shortest paths	2400	x280
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1851
75C	Modified GCD binary search, number theory	1600	x13088
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3344
75A	Life Without Zeros implementation	1000	x26710
74E	Shift It! constructive algorithms	2800	x166
74D	Hanger data structures	2400	x373
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1298
74B	Train dp, games, greedy	1500	x1561
74A	Room Leader implementation	1000	x5255
73F	Plane of Tanks brute force, geometry	2900	x81
73E	Morrowindows math, number theory	2400	x366
73D	FreeDiv dfs and similar, graphs, greedy	2200	x646
73C	LionAge II dp	1800	x2151
73B	Need For Brake binary search, greedy, sortings	2000	x511
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1384
72I	Goofy Numbers *special problem, implementation	1500	x468
72H	Reverse It! *special problem, implementation	1600	x269
72G	Fibonacci army *special problem, dp	1000	x2364
72F	Oil *special problem, greedy, math	1900	x121
72E	Ali goes shopping *special problem, brute force, strings	1800	x174
72D	Perse-script *special problem, expression parsing	2300	x76
72C	Extraordinarily Nice Numbers *special problem, math	1200	x935
72B	INI-file *special problem, implementation	2200	x109
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x188
71E	Nuclear Fusion bitmasks, dp	2200	x762
71D	Solitaire brute force, implementation	2200	x661
71C	Round Table Knights dp, math, number theory	1600	x6688
71B	Progress Bar implementation, math	1300	x4635
71A	Way Too Long Words strings	800	x403816
70E	Information Reform dp, implementation, trees	2700	x519
70D	Professor's task data structures, geometry	2700	x1010
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x585
70B	Text Messaging expression parsing, greedy, strings	1600	x1792
70A	Cookies math	1300	x3312
69E	Subsegments data structures, implementation	1800	x4470
69D	Dot dp, games	1900	x1019
69C	Game implementation	2000	x596
69B	Bets greedy, implementation	1200	x3300
69A	Young Physicist implementation, math	1000	x172219
68E	Contact geometry	2900	x72
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x481
68C	Synchrophasotron brute force	2200	x312
68B	Energy exchange binary search	1600	x4772
68A	Irrational problem implementation, number theory	1100	x4989
67E	Save the City! geometry	2500	x318
67D	Optical Experiment binary search, data structures, dp	1900	x1506
67C	Sequence of Balls dp	2600	x690
67B	Restoration of the Permutation greedy	1800	x781
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2147
66E	Petya and Post data structures, dp	2000	x771
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3211
66C	Petya and File System data structures, implementation	1800	x1087
66B	Petya and Countryside brute force, implementation	1100	x20922
66A	Petya and Java implementation, strings	1300	x6492
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	x436
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x806
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1395
65A	Harry Potter and Three Spells implementation, math	1800	x1829
64I	Sort the Table *special problem, sortings	2400	x91
64H	Table Bowling *special problem, sortings	2300	x117
64G	Path Canonization *special problem	2200	x123
64F	Domain *special problem, expression parsing	2000	x184
64E	Prime Segment *special problem, brute force, math, number theory	1800	x250
64D	Presents *special problem, greedy	1800	x292
64C	Table *special problem, greedy, implementation, math	1600	x342
64B	Expression *special problem, expression parsing	1500	x1025
64A	Factorial *special problem, implementation	1300	x3311
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x774
63D	Dividing Island constructive algorithms	1900	x1276
63C	Bulls and Cows brute force, implementation	1700	x1756
63B	Settlers' Training implementation	1200	x4878
63A	Sinking Ship implementation, sortings, strings	900	x11850
62E	World Evil dp, flows	2700	x236
62D	Wormhouse dfs and similar, graphs	2300	x375
62C	Inquisition geometry, implementation, sortings	2300	x254