Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3875
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3867
717C	Potions Homework implementation, sortings	1200	x3862
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3854
1555E	Boring Segments data structures, sortings, trees, two pointers	2100	x3853
729C	Road to Cinema binary search, greedy, sortings	1700	x3835
425A	Sereja and Swaps brute force, sortings	1500	x3807
1110E	Magic Stones constructive algorithms, math, sortings	2200	x3800
652D	Nested Segments data structures, sortings	1800	x3783
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3742
1641B	Repetitions Decoding constructive algorithms, implementation, sortings	2000	x3720
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3709
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3707
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3683
631C	Report data structures, sortings	1700	x3681
555B	Case of Fugitive data structures, greedy, sortings	2000	x3680
159B	Matchmaker *special problem, greedy, sortings	1100	x3665
612D	The Union of k-Segments greedy, sortings	1800	x3663
1333D	Challenges in school №41 brute force, constructive algorithms, games, graphs, greedy, implementation, sortings	2100	x3630
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3579
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3567
15A	Cottage Village implementation, sortings	1200	x3553
334B	Eight Point Sets sortings	1400	x3541
1428E	Carrots for Rabbits binary search, data structures, greedy, math, sortings	2200	x3493
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3477
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3473
1945F	Kirill and Mushrooms data structures, sortings	1900	x3447
1316E	Team Building bitmasks, dp, greedy, sortings	2300	x3424
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3415
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3412
1361B	Johnny and Grandmaster greedy, implementation, math, sortings	1900	x3384
160C	Find Pair implementation, math, sortings	1700	x3380
1932F	Feed Cats data structures, dp, sortings	1900	x3292
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3245
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3221
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3216
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3195
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3192
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3149
437D	The Child and Zoo dsu, sortings	1900	x3132
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3114
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3096
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3086
388C	Fox and Card Game games, greedy, sortings	2000	x3074
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3066
1256F	Equalizing Two Strings constructive algorithms, sortings, strings	2000	x3049
794C	Naming Company games, greedy, sortings	1800	x3019
802M	April Fools' Problem (easy) greedy, sortings	1200	x3014
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2974
747D	Winter Is Coming dp, greedy, sortings	1800	x2950
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2945
863E	Turn Off The TV data structures, sortings	2000	x2939
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2931
1284D	New Year and Conference binary search, data structures, hashing, sortings	2100	x2911
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2901
99B	Help Chef Gerasim implementation, sortings	1300	x2893
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x2884
1320C	World of Darkraft: Battle for Azathoth brute force, data structures, sortings	2000	x2882
1630C	Paint the Middle dp, greedy, sortings, two pointers	2200	x2820
830B	Cards Sorting data structures, implementation, sortings	1600	x2787
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2786
1552F	Telepanting binary search, data structures, dp, sortings	2200	x2776
1375E	Inversion SwapSort constructive algorithms, greedy, sortings	2500	x2764
1271D	Portals data structures, dp, greedy, implementation, sortings	2100	x2745
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2712
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2682
1296F	Berland Beauty constructive algorithms, dfs and similar, greedy, sortings, trees	2100	x2667
154C	Double Profiles graphs, hashing, sortings	2300	x2665
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2644
1671E	Preorder combinatorics, divide and conquer, dp, dsu, hashing, sortings, trees	2100	x2639
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2627
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x2617
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2597
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2596
22D	Segments greedy, sortings	1900	x2593
1422D	Returning Home graphs, shortest paths, sortings	2300	x2585
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2581
1154F	Shovels Shop dp, greedy, sortings	2100	x2536
571B	Minimization dp, greedy, sortings	2000	x2522
1223E	Paint the Tree dp, sortings, trees	2100	x2513
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2513
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2505
853B	Jury Meeting greedy, sortings, two pointers	1800	x2503
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2487
38E	Let's Go Rolling! dp, sortings	1800	x2480
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2459
1187D	Subarray Sorting data structures, sortings	2400	x2447
432C	Prime Swaps greedy, sortings	1800	x2430
115B	Lawnmower greedy, sortings	1500	x2420
108B	Datatypes math, sortings	1400	x2407
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2395
549G	Happy Line constructive algorithms, greedy, sortings	2200	x2391
1612E	Messages brute force, dp, greedy, probabilities, sortings	2000	x2386
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2371
141C	Queue constructive algorithms, greedy, sortings	1800	x2364
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2347
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2338
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2312