Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
34:34:02
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Before contest
Codeforces Round 941 (Div. 2)
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Problems

#	Name
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9478
1684D	Traps constructive algorithms, greedy, sortings	1700	x9282
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9191
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8820
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8754
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8637
382C	Arithmetic Progression implementation, sortings	1700	x8151
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8141
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8017
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7698
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7666
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7454
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7198
632C	The Smallest String Concatenation sortings, strings	1700	x7180
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6688
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6616
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6544
1000C	Covered Points Count data structures, implementation, sortings	1700	x6418
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6316
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5858
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5776
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5585
732D	Exams binary search, greedy, sortings	1700	x5401
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5387
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5013
1310A	Recommendations data structures, greedy, sortings	1700	x4960
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4640
1468D	Firecrackers binary search, sortings	1700	x4455
978G	Petya's Exams greedy, implementation, sortings	1700	x4187
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3940
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x3936
729C	Road to Cinema binary search, greedy, sortings	1700	x3835
631C	Report data structures, sortings	1700	x3681
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3475
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
160C	Find Pair implementation, math, sortings	1700	x3380
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2315
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2234
925B	Resource Distribution binary search, implementation, sortings	1700	x2174
161B	Discounts constructive algorithms, greedy, sortings	1700	x1922
131E	Yet Another Task with Queens sortings	1700	x1807
81C	Average Score greedy, math, sortings	1700	x1624
216D	Spider's Web binary search, sortings, two pointers	1700	x1319
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x987
1211C	Ice Cream *special problem, greedy, sortings	1700	x476
1398D	Colored Rectangles dp, greedy, sortings	1800	x10972
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10086
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9693
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9474
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8844
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8509
1286A	Garland dp, greedy, sortings	1800	x8380
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7959
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7638
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7534
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7295
1619D	New Year's Problem binary search, greedy, sortings	1800	x7225
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7086
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7020
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6585
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6541
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6503
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6443
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6375
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6274
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6125
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6083
1154E	Two Teams data structures, implementation, sortings	1800	x6022
1801B	Buying gifts data structures, greedy, sortings	1800	x5770
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5766
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5364
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5172
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5124
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5071
404C	Restore Graph dfs and similar, graphs, sortings	1800	x4992
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4862
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4858
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4645
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
1119D	Frets On Fire binary search, sortings	1800	x4491
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4433
1077E	Thematic Contests greedy, sortings	1800	x4351
1907F	Shift and Reverse greedy, sortings	1800	x4325
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4225
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4125
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4097
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3875
652D	Nested Segments data structures, sortings	1800	x3784
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3770
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3750
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3709
612D	The Union of k-Segments greedy, sortings	1800	x3664
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3115
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3066
794C	Naming Company games, greedy, sortings	1800	x3019
747D	Winter Is Coming dp, greedy, sortings	1800	x2950
853B	Jury Meeting greedy, sortings, two pointers	1800	x2503
38E	Let's Go Rolling! dp, sortings	1800	x2480
432C	Prime Swaps greedy, sortings	1800	x2430
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2395