Problemset - Codeforces

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Codeforces Round #850 (Div. 1, based on VK Cup 2022 - Final Round)
42:09:55
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Before contest
Codeforces Round #850 (Div. 2, based on VK Cup 2022 - Final Round)
42:09:57
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Problems

#	Name
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x2998
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x2531
1759E	The Humanoid brute force, dp, sortings	1500	x6759
1759D	Make It Round brute force, number theory	1400	x8181
1759C	Thermostat greedy, math, shortest paths	1100	x13246
1759B	Lost Permutation math	800	x17901
1759A	Yes-Yes? implementation, strings	800	x22293
1758F	Decent Division constructive algorithms, data structures	3000	x95
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x589
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x4902
1758C	Almost All Multiples greedy, number theory	1400	x9214
1758B	XOR = Average constructive algorithms	900	x16117
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x20344
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x16673
1754A	Technical Support greedy	800	x19865
1753F	Minecraft Series brute force, two pointers	3500	x126
1753E	N Machines binary search, brute force, greedy	3300	x226
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1191
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x2904
1753B	Factorial Divisibility math, number theory	1600	x9120
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x7644
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x11389
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x43
1750G	Doping combinatorics, dp, math	3300	x102
1750F	Majority combinatorics, dp, math, strings	2700	x474
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1084
1750D	Count GCD combinatorics, math, number theory	1800	x4220
1750C	Complementary XOR constructive algorithms, implementation	1400	x7529
1750B	Maximum Substring brute force, greedy, implementation	800	x14481
1750A	Indirect Sort constructive algorithms, implementation, math	800	x15121
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x360
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1219
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x4201
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x10381
1749B	Death's Blessing greedy	900	x17317
1749A	Cowardly Rooks greedy, implementation	800	x19897
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x247
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1241
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory	2100	x2177
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x7670
1748B	Diverse Substrings brute force, implementation, strings	1400	x11147
1748A	The Ultimate Square math	800	x20567
1747E	List Generation combinatorics, dp, math	2900	x370
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x3627
1747C	Swap Game games	1200	x15497
1747B	BAN BAN constructive algorithms	900	x17940
1747A	Two Groups constructive algorithms, greedy	800	x21493
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x67
1746F	Kazaee data structures, hashing, probabilities	2800	x995
1746E2	Joking (Hard Version) dp, interactive	3200	x244
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1103
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x3675
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x9905
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x14815
1746A	Maxmina constructive algorithms, greedy	800	x17894
1744F	MEX vs MED math, two pointers	2000	x1979
1744E2	Divisible Numbers (hard version) brute force, math, number theory	1900	x3755
1744E1	Divisible Numbers (easy version) brute force, math, number theory	1500	x7358
1744D	Divisibility by 2^n greedy, math, sortings	1200	x14462
1744C	Traffic Light binary search, implementation, two pointers	1000	x17435
1744B	Even-Odd Increments implementation, math	800	x19568
1744A	Number Replacement greedy, implementation	800	x22471
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x178
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1148
1743E	FTL binary search, dp	2400	x1178
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x5941
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x15702
1743B	Permutation Value constructive algorithms, greedy	800	x19766
1743A	Password brute force, combinatorics, implementation, math	800	x22474
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x6721
1742F	Smaller constructive algorithms, greedy, strings	1500	x7614
1742E	Scuza binary search, greedy, math	1200	x14591
1742D	Coprime brute force, greedy, number theory	1100	x15550
1742C	Stripes implementation	900	x23054
1742B	Increasing greedy, implementation, sortings	800	x31898
1742A	Sum implementation	800	x38460
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1067
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x1679
1741E	Sending a Sequence Over the Network dp	1600	x7176
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x10791
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x14143
1741B	Funny Permutation constructive algorithms, math	800	x21561
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x24880
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x52
1740H	MEX Tree Manipulation data structures, trees	3300	x115
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x133
1740F	Conditional Mix combinatorics, dp, math	2600	x549
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x3123
1740D	Knowledge Cards constructive algorithms, data structures	1500	x6086
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x8351
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x12406
1740A	Factorise N+M constructive algorithms, number theory	800	x16442
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x376
1739E	Cleaning Robot bitmasks, dp	2400	x932
1739D	Reset K Edges binary search, data structures, dfs and similar, graphs, greedy, trees	1900	x3784
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x7122
1739B	Array Recovery constructive algorithms, greedy, math	1100	x17221
1739A	Immobile Knight implementation	800	x20215
1738H	Palindrome Addicts data structures, strings	3300	x145
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x284