Problemset - Codeforces

→ Pay attention

Before contest
Educational Codeforces Round 166 (Rated for Div. 2)
30:38:53
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
111B	Petya and Divisors binary search, data structures, number theory	1900	x3553
111A	Petya and Inequiations greedy	1400	x4643
109C	Lucky Tree dp, dsu, trees	1900	x3200
109B	Lucky Probability brute force, probabilities	1900	x1325
108B	Datatypes math, sortings	1400	x2420
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3300
107A	Dorm Water Supply dfs and similar, graphs	1400	x4958
106D	Treasure Island brute force, implementation	1700	x1295
106C	Buns dp	1700	x5733
105B	Dark Assembly brute force, probabilities	1800	x798
105A	Transmigration implementation	1700	x1810
103C	Russian Roulette constructive algorithms, greedy	1900	x938
103B	Cthulhu dfs and similar, dsu, graphs	1500	x8552
101B	Buses binary search, data structures, dp	1700	x2498
100I	Rotation *special problem, geometry, math	1500	x341
100G	Name the album *special problem, data structures, implementation	1800	x110
100F	Polynom *special problem, implementation	1800	x133
100E	Lamps in a Line *special problem, math	1600	x267
100D	World of Mouth *special problem, strings	1500	x298
100C	A+B *special problem, implementation	1400	x516
100B	Friendly Numbers *special problem, implementation	1500	x536
99B	Help Chef Gerasim implementation, sortings	1300	x2899
98A	Help Victoria the Wise brute force, implementation	1700	x1171
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14556
95C	Volleyball shortest paths	1900	x2697
95B	Lucky Numbers dp, greedy	1800	x1181
95A	Hockey implementation, strings	1600	x1644
94B	Friends graphs, implementation, math	1300	x4512
93B	End of Exams greedy	1900	x904
93A	Frames implementation	1700	x1912
92B	Binary Number greedy	1300	x4716
91B	Queue binary search, data structures	1500	x6558
91A	Newspaper Headline greedy, strings	1500	x3501
89A	Robbery greedy	1800	x1456
88B	Keyboard implementation	1500	x4390
87B	Vasya and Types implementation, strings	1800	x1116
87A	Trains implementation, math	1500	x5195
86A	Reflection math	1600	x1343
85B	Embassy Queue data structures, greedy	1800	x959
85A	Domino constructive algorithms, implementation	1300	x1764
84C	Biathlon binary search, implementation	1700	x1591
83B	Doctor binary search, math, sortings	1800	x1618
83A	Magical Array math	1300	x6095
82B	Sets constructive algorithms, hashing, implementation	1700	x2019
81C	Average Score greedy, math, sortings	1700	x1632
81B	Sequence Formatting implementation, strings	1700	x1879
81A	Plug-in implementation	1400	x10241
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1725
79B	Colorful Field implementation, sortings	1400	x6847
77B	Falling Anvils math, probabilities	1800	x2553
77A	Heroes brute force, implementation	1400	x1750
76E	Points implementation, math	1700	x1662
76D	Plus and xor dp, greedy, math	1700	x2005
75C	Modified GCD binary search, number theory	1600	x12061
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3225
74B	Train dp, games, greedy	1500	x1496
73C	LionAge II dp	1800	x2062
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1299
72I	Goofy Numbers *special problem, implementation	1500	x457
72H	Reverse It! *special problem, implementation	1600	x259
72F	Oil *special problem, greedy, math	1900	x116
72E	Ali goes shopping *special problem, brute force, strings	1800	x150
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x182
71C	Round Table Knights dp, math, number theory	1600	x6258
71B	Progress Bar implementation, math	1300	x4380
70B	Text Messaging expression parsing, greedy, strings	1600	x1721
70A	Cookies math	1300	x3227
69E	Subsegments data structures, implementation	1800	x4041
69D	Dot dp, games	1900	x936
68B	Energy exchange binary search	1600	x4155
67D	Optical Experiment binary search, data structures, dp	1900	x1345
67B	Restoration of the Permutation greedy	1800	x756
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2061
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3062
66C	Petya and File System data structures, implementation	1800	x998
66A	Petya and Java implementation, strings	1300	x6233
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1322
65A	Harry Potter and Three Spells implementation, math	1800	x1786
64E	Prime Segment *special problem, brute force, math, number theory	1800	x235
64D	Presents *special problem, greedy	1800	x282
64C	Table *special problem, greedy, implementation, math	1600	x332
64B	Expression *special problem, expression parsing	1500	x1000
64A	Factorial *special problem, implementation	1300	x2713
63D	Dividing Island constructive algorithms	1900	x1226
63C	Bulls and Cows brute force, implementation	1700	x1637
62B	Tyndex.Brome binary search, implementation	1800	x1263
62A	A Student's Dream greedy, math	1300	x3379
61E	Enemy is weak data structures, trees	1900	x10190
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6280
61B	Hard Work strings	1300	x3793
60B	Serial Time! dfs and similar, dsu	1400	x4457
60A	Where Are My Flakes? implementation, two pointers	1300	x3537
59C	Title expression parsing	1600	x2016
58C	Trees brute force	1800	x1972
58B	Coins greedy	1300	x11856
57C	Array combinatorics, math	1900	x2345
57B	Martian Architecture implementation	1600	x989
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2820
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1120
56B	Spoilt Permutation implementation	1300	x3630