Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
46:05:17
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Problems

#	Name
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5721
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5720
1359E	Modular Stability combinatorics, math, number theory	2000	x5716
190A	Vasya and the Bus greedy, math	1100	x5705
525C	Ilya and Sticks greedy, math, sortings	1600	x5690
185A	Plant math	1300	x5682
976B	Lara Croft and the New Game implementation, math	1300	x5660
697B	Barnicle brute force, implementation, math, strings	1400	x5657
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5648
703B	Mishka and trip implementation, math	1400	x5628
821B	Okabe and Banana Trees brute force, math	1300	x5622
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5621
1663C	Pōja Verdon *special problem, implementation, math		x5606
1268B	Domino for Young dp, greedy, math	2000	x5603
1545B	AquaMoon and Chess combinatorics, math	1900	x5599
1036B	Diagonal Walking v.2 math	1600	x5594
1207E	XOR Guessing bitmasks, interactive, math	1900	x5587
1725G	Garage binary search, geometry, math	1500	x5569
787B	Not Afraid greedy, implementation, math	1300	x5567
715A	Plus and Square Root constructive algorithms, math	1600	x5540
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5537
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5530
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5530
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5520
1750D	Count GCD combinatorics, math, number theory	1800	x5511
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5503
712C	Memory and De-Evolution greedy, math	1600	x5497
676B	Pyramid of Glasses implementation, math, math	1500	x5456
1490G	Old Floppy Drive binary search, data structures, math	1900	x5451
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5447
1499D	The Number of Pairs dp, math, number theory	2100	x5427
851B	Arpa and an exam about geometry geometry, math	1400	x5416
476C	Dreamoon and Sums math	1600	x5402
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5393
354A	Vasya and Robot brute force, greedy, math	1500	x5382
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5380
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5375
1085C	Connect Three implementation, math	1600	x5359
1C	Ancient Berland Circus geometry, math	2100	x5358
625A	Guest From the Past implementation, math	1700	x5348
215B	Olympic Medal greedy, math	1300	x5344
1765K	Torus Path greedy, math	1500	x5340
1062C	Banh-mi greedy, implementation, math	1600	x5303
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms, math	2100	x5293
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5274
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5251
149C	Division into Teams greedy, math, sortings	1500	x5247
148B	Escape implementation, math	1500	x5241
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5236
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5229
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5228
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5223
1744E2	Divisible Numbers (hard version) brute force, math, number theory	1900	x5221
1781D	Many Perfect Squares brute force, math, number theory	1800	x5210
248B	Chilly Willy math, number theory	1400	x5183
1009C	Annoying Present greedy, math	1700	x5182
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5178
424C	Magic Formulas math	1600	x5174
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5159
1151C	Problem for Nazar constructive algorithms, math	1800	x5157
87A	Trains implementation, math	1500	x5147
1280A	Cut and Paste implementation, math	1700	x5146
195B	After Training data structures, implementation, math	1300	x5112
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5111
141B	Hopscotch geometry, math	1400	x5109
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5100
1776L	Controllers binary search, math	1500	x5094
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5092
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5090
725B	Food on the Plane implementation, math	1200	x5085
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5081
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x5078
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5042
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5022
630K	Indivisibility math, number theory	1500	x5011
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x4998
710C	Magic Odd Square constructive algorithms, math	1500	x4974
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4972
1716D	Chip Move brute force, dp, math	2000	x4964
923A	Primal Sport math, number theory	1700	x4963
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4944
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4935
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4930
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x4924
534C	Polycarpus' Dice math	1600	x4922
216A	Tiling with Hexagons implementation, math	1200	x4907
803C	Maximal GCD constructive algorithms, greedy, math	1900	x4901
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4872
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x4856
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x4856
442B	Andrey and Problem greedy, math, probabilities	1800	x4844
1704D	Magical Array constructive algorithms, hashing, implementation, math	1900	x4818
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4804
1593D2	Half of Same brute force, math, number theory	1900	x4776
837D	Round Subset dp, math	2100	x4767
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4761
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x4739
569A	Music implementation, math	1500	x4739
407A	Triangle brute force, geometry, implementation, math	1600	x4737
630H	Benches combinatorics, math	1400	x4728