Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
36:48:30
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Problems

#	Name
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1788
75C	Modified GCD binary search, number theory	1600	x12569
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3295
75A	Life Without Zeros implementation	1000	x25942
74E	Shift It! constructive algorithms	2800	x151
74D	Hanger data structures	2400	x369
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1276
74B	Train dp, games, greedy	1500	x1537
74A	Room Leader implementation	1000	x5096
73F	Plane of Tanks brute force, geometry	2900	x80
73E	Morrowindows math, number theory	2400	x357
73D	FreeDiv dfs and similar, graphs, greedy	2200	x636
73C	LionAge II dp	1800	x2114
73B	Need For Brake binary search, greedy, sortings	2000	x494
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1332
72I	Goofy Numbers *special problem, implementation	1500	x461
72H	Reverse It! *special problem, implementation	1600	x264
72G	Fibonacci army *special problem, dp	1000	x2172
72F	Oil *special problem, greedy, math	1900	x118
72E	Ali goes shopping *special problem, brute force, strings	1800	x153
72D	Perse-script *special problem, expression parsing	2300	x74
72C	Extraordinarily Nice Numbers *special problem, math	1200	x914
72B	INI-file *special problem, implementation	2200	x77
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x185
71E	Nuclear Fusion bitmasks, dp	2200	x708
71D	Solitaire brute force, implementation	2200	x637
71C	Round Table Knights dp, math, number theory	1600	x6461
71B	Progress Bar implementation, math	1300	x4496
71A	Way Too Long Words strings	800	x377646
70E	Information Reform dp, implementation, trees	2700	x491
70D	Professor's task data structures, geometry	2700	x986
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x572
70B	Text Messaging expression parsing, greedy, strings	1600	x1760
70A	Cookies math	1300	x3271
69E	Subsegments data structures, implementation	1800	x4322
69D	Dot dp, games	1900	x990
69C	Game implementation	2000	x581
69B	Bets greedy, implementation	1200	x3244
69A	Young Physicist implementation, math	1000	x163729
68E	Contact geometry	2900	x71
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x463
68C	Synchrophasotron brute force	2200	x308
68B	Energy exchange binary search	1600	x4410
68A	Irrational problem implementation, number theory	1100	x4922
67E	Save the City! geometry	2500	x316
67D	Optical Experiment binary search, data structures, dp	1900	x1411
67C	Sequence of Balls dp	2600	x681
67B	Restoration of the Permutation greedy	1800	x763
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2109
66E	Petya and Post data structures, dp	2000	x732
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3150
66C	Petya and File System data structures, implementation	1800	x1017
66B	Petya and Countryside brute force, implementation	1100	x20422
66A	Petya and Java implementation, strings	1300	x6351
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x93
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x424
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x784
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1341
65A	Harry Potter and Three Spells implementation, math	1800	x1810
64I	Sort the Table *special problem, sortings	2400	x87
64H	Table Bowling *special problem, sortings	2300	x112
64G	Path Canonization *special problem	2200	x119
64F	Domain *special problem, expression parsing	2000	x180
64E	Prime Segment *special problem, brute force, math, number theory	1800	x240
64D	Presents *special problem, greedy	1800	x287
64C	Table *special problem, greedy, implementation, math	1600	x337
64B	Expression *special problem, expression parsing	1500	x1012
64A	Factorial *special problem, implementation	1300	x2795
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x752
63D	Dividing Island constructive algorithms	1900	x1255
63C	Bulls and Cows brute force, implementation	1700	x1673
63B	Settlers' Training implementation	1200	x4811
63A	Sinking Ship implementation, sortings, strings	900	x11293
62E	World Evil dp, flows	2700	x229
62D	Wormhouse dfs and similar, graphs	2300	x359
62C	Inquisition geometry, implementation, sortings	2300	x251
62B	Tyndex.Brome binary search, implementation	1800	x1284
62A	A Student's Dream greedy, math	1300	x3434
61E	Enemy is weak data structures, trees	1900	x10874
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6513
61C	Capture Valerian math	2000	x708
61B	Hard Work strings	1300	x3849
61A	Ultra-Fast Mathematician implementation	800	x109517
60E	Mushroom Gnomes math, matrices	2600	x325
60D	Savior brute force, dsu, math	2500	x407
60C	Mushroom Strife brute force, dfs and similar	2100	x563
60B	Serial Time! dfs and similar, dsu	1400	x4561
60A	Where Are My Flakes? implementation, two pointers	1300	x3603
59E	Shortest Path graphs, shortest paths	2000	x3376
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x624
59C	Title expression parsing	1600	x2079
59B	Fortune Telling implementation, number theory	1200	x6844
59A	Word implementation, strings	800	x173197
58E	Expression dp	2400	x361
58D	Calendar greedy, strings	2000	x726
58C	Trees brute force	1800	x2019
58B	Coins greedy	1300	x12170
58A	Chat room greedy, strings	1000	x128560
57E	Chess math, shortest paths	3000	x259
57D	Journey dp, math	2500	x337