Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
07:03:23
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Before contest
Codeforces Round 941 (Div. 2)
07:03:23
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combinatorics

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Problems

#	Name
1750G	Doping combinatorics, dp, math	3300	x224
1188E	Problem from Red Panda combinatorics	3300	x224
1951G	Clacking Balls combinatorics, math, probabilities	3100	x223
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x212
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x206
1641E	Special Positions combinatorics, divide and conquer, fft, math	3300	x202
1952E	Sweep Line combinatorics, games, math		x201
1835E	Old Mobile combinatorics, dp, probabilities	3500	x201
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x200
1553I	Stairs combinatorics, divide and conquer, dp, fft, math	3400	x195
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x195
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x184
1725I	Imitating the Key Tree combinatorics, dsu, trees	2800	x183
1954F	Unique Strings combinatorics, dp, math	3100	x181
44I	Toys brute force, combinatorics	2300	x181
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x177
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x170
372E	Drawing Circles is Fun combinatorics, geometry	3000	x169
1450H2	Multithreading (Hard Version) combinatorics, implementation, math	3300	x162
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x156
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x152
756E	Byteland coins combinatorics, dp, math	3200	x151
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x137
1580F	Problems for Codeforces combinatorics, fft, math	3300	x130
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x130
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x129
1810H	Last Number combinatorics, math	2900	x129
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x122
113E	Sleeping combinatorics, implementation, math	2700	x116
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x109
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x76
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x75
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x73
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x69
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x56
1488H	Build From Suffixes *special problem, combinatorics, data structures	2800	x52
1930I	Counting Is Fun combinatorics	3500	x49
1403C	Chess Rush *special problem, combinatorics, dp, implementation, math	3200	x42
1910I	Inverse Problem *special problem, combinatorics, dp	2700	x39

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