Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x4984
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x3986
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x4998
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7117
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6934
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3613
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5711
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x6925
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5320
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x1927
1910D	Remove and Add *special problem, greedy	1800	x295
1907F	Shift and Reverse greedy, sortings	1800	x4296
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3721
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5719
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6345
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5278
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5580
1861D	Sorting By Multiplication dp, greedy	1800	x6178
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6475
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4852
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4106
1852A	Ntarsis' Set binary search, math, number theory	1800	x7492
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5233
1848C	Vika and Price Tags math, number theory	1800	x5897
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2844
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6527
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7249
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4930
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7228
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4871
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x4296
1809D	Binary String Sorting constructive algorithms, greedy	1800	x5829
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x5991
1801B	Buying gifts data structures, greedy, sortings	1800	x5755
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5713
1781D	Many Perfect Squares brute force, math, number theory	1800	x5210
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4625
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x5720
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x364
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x6657
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3669
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6816
1750D	Count GCD combinatorics, math, number theory	1800	x5509
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4085
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x5985
1732C1	Sheikh (Easy version) binary search, bitmasks, greedy, two pointers	1800	x5534
1729E	Guess the Cycle Size interactive, probabilities	1800	x6693
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6802
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x2829
1725H	Hot Black Hot White constructive algorithms, math	1800	x2486
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6248
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5695
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5452
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x5414
1709C	Recover an RBS constructive algorithms, greedy, implementation, strings	1800	x8461
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6070
1691D	Max GEQ Sum binary search, constructive algorithms, data structures, divide and conquer, implementation, two pointers	1800	x5414
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6369
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4980
1674F	Desktop Rearrangement data structures, greedy, implementation	1800	x4841
1666L	Labyrinth dfs and similar, graphs	1800	x2967
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3066
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6155
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7333
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5972
1630B	Range and Partition binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5483
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6329
1619D	New Year's Problem binary search, greedy, sortings	1800	x7207
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4509
1611F	ATM and Students binary search, data structures, two pointers	1800	x6139
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5219
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5222
1575D	Divisible by Twenty-Five brute force, dfs and similar, dp	1800	x2384
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8493
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x316
1571C	Rhyme *special problem, implementation	1800	x357
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7628
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6440
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5637
1554D	Diane constructive algorithms, greedy, strings	1800	x9046
1554C	Mikasa binary search, bitmasks, greedy, implementation	1800	x8480
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6670
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5763
1548B	Integers Have Friends binary search, data structures, divide and conquer, math, number theory, two pointers	1800	x9231
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7457
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x5746
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9332
1517D	Explorer Space dp, graphs, shortest paths	1800	x7283
1509C	The Sports Festival dp, greedy	1800	x11718
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x3819
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1718
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x738
1500A	Going Home brute force, hashing, implementation, math	1800	x8506
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6847
1488B	RBS Deletion *special problem, greedy	1800	x523
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5648
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9678
1468J	Road Reform dsu, graphs, greedy	1800	x3864
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6919
1463C	Busy Robot implementation	1800	x5473

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