Problemset - Codeforces

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Problems

#	Name
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1288
121B	Lucky Transformation strings	1500	x2578
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x936
120H	Brevity is Soul of Wit graph matchings	1800	x1415
120G	Boom implementation	1800	x690
120F	Spiders dp, greedy, trees	1400	x3627
120E	Put Knight! games, math	1400	x2744
120D	Three Sons brute force	1400	x1936
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1079
118D	Caesar's Legions dp	1700	x17606
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2603
117B	Very Interesting Game brute force, number theory	1800	x1614
117A	Elevator implementation, math	1300	x2026
115B	Lawnmower greedy, sortings	1500	x2620
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3717
113A	Grammar Lessons implementation, strings	1600	x2304
111B	Petya and Divisors binary search, data structures, number theory	1900	x3696
111A	Petya and Inequiations greedy	1400	x4795
109C	Lucky Tree dp, dsu, trees	1900	x3622
109B	Lucky Probability brute force, probabilities	1900	x1556
108B	Datatypes math, sortings	1400	x2471
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3510
107A	Dorm Water Supply dfs and similar, graphs	1400	x5122
106D	Treasure Island brute force, implementation	1700	x1364
106C	Buns dp	1700	x6032
105B	Dark Assembly brute force, probabilities	1800	x820
105A	Transmigration implementation	1700	x1844
103C	Russian Roulette constructive algorithms, greedy	1900	x960
103B	Cthulhu dfs and similar, dsu, graphs	1500	x8985
101B	Buses binary search, data structures, dp	1700	x2639
100I	Rotation *special problem, geometry, math	1500	x351
100G	Name the album *special problem, data structures, implementation	1800	x124
100F	Polynom *special problem, implementation	1800	x135
100E	Lamps in a Line *special problem, math	1600	x273
100D	World of Mouth *special problem, strings	1500	x306
100C	A+B *special problem, implementation	1400	x537
100B	Friendly Numbers *special problem, implementation	1500	x546
99B	Help Chef Gerasim implementation, sortings	1300	x2996
98A	Help Victoria the Wise brute force, implementation	1700	x1216
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x15684
95C	Volleyball shortest paths	1900	x2808
95B	Lucky Numbers dp, greedy	1800	x1225
95A	Hockey implementation, strings	1600	x1681
94B	Friends graphs, implementation, math	1300	x4703
93B	End of Exams greedy	1900	x921
93A	Frames implementation	1700	x1966
92B	Binary Number greedy	1300	x4879
91B	Queue binary search, data structures	1500	x6862
91A	Newspaper Headline greedy, strings	1500	x3609
89A	Robbery greedy	1800	x1483
88B	Keyboard implementation	1500	x4718
87B	Vasya and Types implementation, strings	1800	x1155
87A	Trains implementation, math	1500	x5410
86A	Reflection math	1600	x1392
85B	Embassy Queue data structures, greedy	1800	x982
85A	Domino constructive algorithms, implementation	1300	x1795
84C	Biathlon binary search, implementation	1700	x1709
83B	Doctor binary search, math, sortings	1800	x1703
83A	Magical Array math	1300	x6278
82B	Sets constructive algorithms, hashing, implementation	1700	x2062
81C	Average Score greedy, math, sortings	1700	x1672
81B	Sequence Formatting implementation, strings	1700	x1957
81A	Plug-in implementation	1400	x11059
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1816
79B	Colorful Field implementation, sortings	1400	x7294
77B	Falling Anvils math, probabilities	1800	x2634
77A	Heroes brute force, implementation	1400	x1781
76E	Points implementation, math	1700	x1720
76D	Plus and xor dp, greedy, math	1700	x2075
75C	Modified GCD binary search, number theory	1600	x12887
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3325
74B	Train dp, games, greedy	1500	x1550
73C	LionAge II dp	1800	x2126
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
72F	Oil *special problem, greedy, math	1900	x120
72E	Ali goes shopping *special problem, brute force, strings	1800	x173
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x187
71C	Round Table Knights dp, math, number theory	1600	x6563
71B	Progress Bar implementation, math	1300	x4559
70B	Text Messaging expression parsing, greedy, strings	1600	x1780
70A	Cookies math	1300	x3296
69E	Subsegments data structures, implementation	1800	x4401
69D	Dot dp, games	1900	x1014
68B	Energy exchange binary search	1600	x4664
67D	Optical Experiment binary search, data structures, dp	1900	x1456
67B	Restoration of the Permutation greedy	1800	x778
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2123
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3187
66C	Petya and File System data structures, implementation	1800	x1078
66A	Petya and Java implementation, strings	1300	x6419
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1378
65A	Harry Potter and Three Spells implementation, math	1800	x1824
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	x3121
63D	Dividing Island constructive algorithms	1900	x1269