Problemset - Codeforces

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Codeforces Round (Div. 3)
35:31:46
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Problems

#	Name
1765N	Number Reduction greedy	1500	x4408
1765M	Minimum LCM math, number theory	1000	x12554
1765L	Project Manager brute force, data structures, implementation	2400	x561
1765K	Torus Path greedy, math	1500	x5364
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	x1188
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x366
1765F	Chemistry Lab dp, geometry, probabilities	2200	x587
1765E	Exchange brute force, math	1000	x9503
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x3905
1765C	Card Guessing combinatorics, dp, probabilities	2600	x364
1765B	Broken Keyboard greedy	800	x8712
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x658
1764H	Doremy's Paint 2 data structures	3400	x165
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x429
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	x2635
1764C	Doremy's City Construction graphs, greedy	1400	x9040
1764B	Doremy's Perfect Math Class math, number theory	900	x15237
1764A	Doremy's Paint greedy	800	x16181
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x417
1763E	Node Pairs dp, graphs, math, number theory	2200	x1690
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x1954
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6268
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x13868
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15248
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x97
1762F	Good Pairs binary search, data structures, dp	2600	x558
1762E	Tree Sum combinatorics, math, trees	2600	x600
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3277
1762C	Binary Strings are Fun combinatorics, math	1400	x8831
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16164
1762A	Divide and Conquer greedy, math, number theory	800	x18520
1761G	Centroid Guess interactive, probabilities, trees	3500	x96
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x77
1761F1	Anti-median (Easy Version) dp, math	3100	x197
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1720
1761D	Carry Bit combinatorics, math	2100	x2318
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9148
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x12988
1761A	Two Permutations brute force, constructive algorithms	800	x16796
1760G	SlavicG's Favorite Problem bitmasks, dfs and similar, graphs	1700	x6858
1760F	Quests binary search, greedy, sortings	1500	x11252
1760E	Binary Inversions data structures, greedy, math	1100	x19132
1760D	Challenging Valleys implementation, two pointers	1000	x22292
1760C	Advantage data structures, implementation, sortings	800	x34871
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x41563
1760A	Medium Number implementation, sortings	800	x53355
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4209
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3682
1759E	The Humanoid brute force, dp, sortings	1500	x9901
1759D	Make It Round brute force, number theory	1400	x12024
1759C	Thermostat greedy, math, shortest paths	1100	x16957
1759B	Lost Permutation math	800	x21583
1759A	Yes-Yes? implementation, strings	800	x28713
1758F	Decent Division constructive algorithms, data structures	3000	x153
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x775
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6849
1758C	Almost All Multiples greedy, number theory	1400	x12872
1758B	XOR = Average constructive algorithms	900	x20066
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24342
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18473
1754A	Technical Support greedy	800	x22587
1753F	Minecraft Series brute force, two pointers	3500	x185
1753E	N Machines binary search, brute force, greedy	3300	x308
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1661
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4153
1753B	Factorial Divisibility math, number theory	1600	x12011
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9762
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14262
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x72
1750G	Doping combinatorics, dp, math	3300	x224
1750F	Majority combinatorics, dp, math, strings	2700	x856
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1357
1750D	Count GCD combinatorics, math, number theory	1800	x5543
1750C	Complementary XOR constructive algorithms, implementation	1400	x9235
1750B	Maximum Substring brute force, greedy, implementation	800	x15934
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16748
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x468
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1598
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5249
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x13296
1749B	Death's Blessing greedy	900	x20320
1749A	Cowardly Rooks greedy, implementation	800	x21960
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x322
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1696
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory	2100	x2655
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10415
1748B	Diverse Substrings brute force, implementation, strings	1400	x14192
1748A	The Ultimate Square math	800	x23446
1747E	List Generation combinatorics, dp, math	2900	x484
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x4467
1747C	Swap Game games	1200	x20266
1747B	BAN BAN constructive algorithms	900	x21551
1747A	Two Groups constructive algorithms, greedy	800	x24329
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x88