Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
02:07:31
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Before contest
Codeforces Round 941 (Div. 2)
02:07:32
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Problems

#	Name
1776A	Walking Boy greedy	800	x6758
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x737
1775E	The Human Equation greedy, implementation	2100	x3018
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x5740
1775C	Interesting Sequence bitmasks, math	1600	x9603
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x12473
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18251
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19292
1774H	Maximum Permutation constructive algorithms	3500	x129
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x363
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x637
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1018
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3304
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7392
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11531
1774B	Coloring constructive algorithms, greedy, math	1500	x11524
1774A	Add Plus Minus Sign constructive algorithms, math	800	x21916
1773L	Lisa's Sequences dp	3500	x28
1773K	King's Puzzle constructive algorithms	1900	x1378
1773J	Jumbled Trees constructive algorithms, math	2900	x97
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x453
1773H	Hot and Cold binary search, interactive	2600	x336
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x319
1773F	Football constructive algorithms	800	x3942
1773E	Easy Assembly greedy, sortings	1400	x4634
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x417
1773C	Cactus Meets Torus	3500	x28
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x729
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1477
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1262
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2218
1772E	Permutation Game games	1700	x6364
1772D	Absolute Sorting constructive algorithms, math	1400	x14853
1772C	Different Differences constructive algorithms, greedy, math	1000	x22628
1772B	Matrix Rotation brute force, implementation	800	x28125
1772A	A+B? implementation	800	x43748
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x958
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x657
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2591
1771C	Hossam and Trainees greedy, math, number theory	1600	x8961
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12762
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x21987
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x88
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x150
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x601
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1291
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3656
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8247
1770B	Koxia and Permutation constructive algorithms	1000	x18991
1770A	Koxia and Whiteboards brute force, greedy	1000	x22824
1769D3	Игра в Девятку III *special problem, brute force	2300	x115
1769D2	Игра в Девятку II *special problem, brute force	2200	x186
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x367
1769C2	Подкрутка II *special problem, dp	1300	x911
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x928
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x853
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1309
1769A	Узкая дорога *special problem, math	800	x1894
1768F	Wonderful Jump dp, greedy	2900	x781
1768E	Partial Sorting combinatorics, math, number theory	2300	x1768
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x6673
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13524
1768B	Quick Sort greedy, math	900	x21967
1768A	Greatest Convex greedy, math, number theory	800	x27920
1767F	Two Subtrees data structures, trees	3100	x245
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x830
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9382
1767C	Count Binary Strings data structures, dp	2100	x2493
1767B	Block Towers data structures, greedy, sortings	800	x19552
1767A	Cut the Triangle implementation	800	x20116
1766F	MCF flows	2800	x255
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1123
1766D	Lucky Chains math, number theory	1600	x8321
1766C	Hamiltonian Wall dp, implementation	1300	x13050
1766B	Notepad# implementation	1000	x20044
1766A	Extremely Round brute force, implementation	800	x23765
1765N	Number Reduction greedy	1500	x4405
1765M	Minimum LCM math, number theory	1000	x12526
1765L	Project Manager brute force, data structures, implementation	2400	x560
1765K	Torus Path greedy, math	1500	x5358
1765J	Hero to Zero graph matchings, math	2900	x185
1765I	Infinite Chess implementation, shortest paths	2800	x181
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1182
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x365
1765F	Chemistry Lab dp, geometry, probabilities	2200	x586
1765E	Exchange brute force, math	1000	x9491
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x3902
1765C	Card Guessing combinatorics, dp, probabilities	2600	x363
1765B	Broken Keyboard greedy	800	x8706
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x658
1764H	Doremy's Paint 2 data structures	3400	x162
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x428
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x494
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x544
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x876
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1176
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2633
1764C	Doremy's City Construction graphs, greedy	1400	x9034
1764B	Doremy's Perfect Math Class math, number theory	900	x15228
1764A	Doremy's Paint greedy	800	x16175