Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
19:10:12
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Problems

#	Name
1776D	Teamwork constructive algorithms, greedy, math	2800	x362
1776C	Library game games, greedy, interactive, sortings	2500	x796
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1323
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x763
1775E	The Human Equation greedy, implementation	2100	x3186
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x6227
1775C	Interesting Sequence bitmasks, math	1600	x10387
1774H	Maximum Permutation constructive algorithms	3500	x134
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x438
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x675
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1072
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3464
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7810
1773L	Lisa's Sequences dp	3500	x43
1773K	King's Puzzle constructive algorithms	1900	x1408
1773J	Jumbled Trees constructive algorithms, math	2900	x106
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x476
1773H	Hot and Cold binary search, interactive	2600	x356
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x360
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x461
1773C	Cactus Meets Torus	3500	x30
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x762
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1531
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1336
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2350
1772E	Permutation Game games	1700	x6734
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x1114
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x689
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2744
1771C	Hossam and Trainees greedy, math, number theory	1600	x9632
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x104
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x158
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x663
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1348
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3822
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8510
1769D3	Игра в Девятку III *special problem, brute force	2300	x119
1769D2	Игра в Девятку II *special problem, brute force	2200	x191
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x377
1768F	Wonderful Jump dp, greedy	2900	x832
1768E	Partial Sorting combinatorics, math, number theory	2300	x1866
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x7120
1767F	Two Subtrees data structures, trees	3100	x274
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x917
1767C	Count Binary Strings data structures, dp	2100	x2632
1766F	MCF flows	2800	x268
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1181
1766D	Lucky Chains math, number theory	1600	x8855
1765L	Project Manager brute force, data structures, implementation	2400	x582
1765J	Hero to Zero graph matchings, math	2900	x195
1765I	Infinite Chess implementation, shortest paths	2800	x188
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1251
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x384
1765F	Chemistry Lab dp, geometry, probabilities	2200	x596
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x4130
1765C	Card Guessing combinatorics, dp, probabilities	2600	x383
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x695
1764H	Doremy's Paint 2 data structures	3400	x190
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x457
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x526
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x583
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x958
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1223
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2758
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x476
1763E	Node Pairs dp, graphs, math, number theory	2200	x1788
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x2046
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6533
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x102
1762F	Good Pairs binary search, data structures, dp	2600	x607
1762E	Tree Sum combinatorics, math, trees	2600	x642
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3489
1761G	Centroid Guess interactive, probabilities, trees	3500	x110
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x81
1761F1	Anti-median (Easy Version) dp, math	3100	x205
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1828
1761D	Carry Bit combinatorics, math	2100	x2441
1760G	SlavicG's Favorite Problem bitmasks, dfs and similar, graphs	1700	x7317
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4456
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3901
1758F	Decent Division constructive algorithms, data structures	3000	x170
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x837
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x7266
1753F	Minecraft Series brute force, two pointers	3500	x205
1753E	N Machines binary search, brute force, greedy	3300	x332
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1746
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4429
1753B	Factorial Divisibility math, number theory	1600	x12695
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x82
1750G	Doping combinatorics, dp, math	3300	x246
1750F	Majority combinatorics, dp, math, strings	2700	x904
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1406
1750D	Count GCD combinatorics, math, number theory	1800	x5839
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x497
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1692
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5552
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x334
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1881
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory	2100	x2791
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x11055