Problemset - Codeforces

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Before contest
Codeforces Round (Div. 1)
6 days

Before contest
Codeforces Round (Div. 2)
6 days

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Problems

#	Name
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7831
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5976
496A	Minimum Difficulty brute force, implementation, math	900	x16635
495B	Modular Equations math, number theory	1600	x7427
495A	Digital Counter implementation	1100	x8624
494E	Sharti data structures, games	3200	x330
494D	Birthday data structures, dfs and similar, dp, trees	2700	x642
494C	Helping People dp, probabilities	2600	x890
494B	Obsessive String dp, strings	2000	x2787
494A	Treasure greedy	1500	x6328
493E	Vasya and Polynomial math	2800	x493
493D	Vasya and Chess constructive algorithms, games, math	1700	x9788
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6976
493B	Vasya and Wrestling implementation	1400	x13514
493A	Vasya and Football implementation	1300	x6200
492E	Vanya and Field math	2000	x1655
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3199
492C	Vanya and Exams greedy, sortings	1400	x14458
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x79074
492A	Vanya and Cubes implementation	800	x53556
491C	Deciphering flows, graph matchings	2300	x428
491B	New York Hotel greedy, math	2100	x580
491A	Up the hill constructive algorithms, implementation	1000	x3034
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1764
490E	Restoring Increasing Sequence binary search, brute force, greedy, implementation	2000	x1627
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2169
490C	Hacking Cypher brute force, math, number theory, strings	1700	x9156
490B	Queue dsu, implementation	1500	x6133
490A	Team Olympiad greedy, implementation, sortings	800	x62086
489F	Special Matrices combinatorics, dp	2100	x1706
489E	Hiking binary search, dp	2300	x1047
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6753
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x47582
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x50737
489A	SwapSort greedy, implementation, sortings	1200	x10179
488B	Candy Boxes brute force, constructive algorithms, math	1900	x2131
488A	Giga Tower brute force	1100	x14468
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2491
487D	Conveyor Belts data structures	2700	x918
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2858
487B	Strip binary search, data structures, dp, two pointers	2000	x3620
487A	Fight the Monster binary search, brute force, implementation	1800	x3783
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2352
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4116
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11904
486B	OR in Matrix greedy, hashing, implementation	1300	x18132
486A	Calculating Function implementation, math	800	x127712
485B	Valuable Resources brute force, greedy	1300	x6565
485A	Factory implementation, math, matrices	1400	x8425
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2460
484D	Kindergarten data structures, dp, greedy	2400	x2726
484C	Strange Sorting implementation, math	2600	x600
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7189
484A	Bits bitmasks, constructive algorithms	1700	x11813
483B	Friends and Presents binary search, math	1800	x4126
483A	Counterexample brute force, implementation, math, number theory	1100	x23665
482E	ELCA data structures, trees	3200	x180
482D	Random Function and Tree combinatorics, dp, trees	2700	x544
482C	Game with Strings bitmasks, dp, probabilities	2600	x960
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6746
482A	Diverse Permutation constructive algorithms, greedy	1200	x9801
480E	Parking Lot data structures, divide and conquer	2800	x578
480D	Parcels dp, graphs	2600	x465
479E	Riding in a Lift combinatorics, dp	1900	x5235
479D	Long Jumps binary search, greedy, implementation	1700	x4866
479C	Exams greedy, sortings	1400	x30485
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x8002
479A	Expression brute force, math	1000	x98665
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x222
478D	Red-Green Towers dp	2000	x6233
478C	Table Decorations greedy	1800	x18837
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x37660
478A	Initial Bet implementation	1100	x26069
477E	Dreamoon and Notepad data structures	3100	x138
477D	Dreamoon and Binary dp, strings	2700	x534
476E	Dreamoon and Strings dp, strings	2200	x1999
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4759
476C	Dreamoon and Sums math	1600	x5781
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x32094
476A	Dreamoon and Stairs implementation, math	1000	x45858
475F	Meta-universe data structures	2900	x239
475E	Strongly Connected City 2 dfs and similar	2700	x442
475D	CGCDSSQ brute force, data structures, math	2000	x5201
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x797
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8683
475A	Bayan Bus implementation	1100	x4793
474F	Ant colony data structures, math, number theory	2100	x9270
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3541
474D	Flowers dp	1700	x26542
474C	Captain Marmot brute force, geometry	2000	x3172
474B	Worms binary search, implementation	1200	x51784
474A	Keyboard implementation	900	x47749
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x420
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x261
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x133
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5641
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6391
472B	Design Tutorial: Learn from Life	1300	x7472
472A	Design Tutorial: Learn from Math math, number theory	800	x62835
471E	MUH and Lots and Lots of Segments data structures, dsu	2700	x84