Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
21:25:48
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Before contest
Codeforces Round 941 (Div. 2)
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Problems

#	Name
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2078
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2104
140D	New Year Contest greedy, sortings	1800	x2193
141C	Queue constructive algorithms, greedy, sortings	1800	x2364
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2395
432C	Prime Swaps greedy, sortings	1800	x2430
38E	Let's Go Rolling! dp, sortings	1800	x2480
853B	Jury Meeting greedy, sortings, two pointers	1800	x2503
747D	Winter Is Coming dp, greedy, sortings	1800	x2950
794C	Naming Company games, greedy, sortings	1800	x3025
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3069
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3115
612D	The Union of k-Segments greedy, sortings	1800	x3665
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3709
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3752
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3770
652D	Nested Segments data structures, sortings	1800	x3786
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3875
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4097
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4126
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4227
1907F	Shift and Reverse greedy, sortings	1800	x4328
1077E	Thematic Contests greedy, sortings	1800	x4351
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4477
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
1119D	Frets On Fire binary search, sortings	1800	x4493
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4645
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4858
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4862
404C	Restore Graph dfs and similar, graphs, sortings	1800	x4993
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5081
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5125
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5174
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5370
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5766
1801B	Buying gifts data structures, greedy, sortings	1800	x5773
1154E	Two Teams data structures, implementation, sortings	1800	x6022
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6083
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6126
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6275
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6381
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6445
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6507
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6545
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6590
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7028
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7086
1619D	New Year's Problem binary search, greedy, sortings	1800	x7225
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7295
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7536
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7639
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7959
1286A	Garland dp, greedy, sortings	1800	x8380
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8511
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8845
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9476
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9695
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10090
1398D	Colored Rectangles dp, greedy, sortings	1800	x10975
1211C	Ice Cream *special problem, greedy, sortings	1700	x476
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x987
216D	Spider's Web binary search, sortings, two pointers	1700	x1319
81C	Average Score greedy, math, sortings	1700	x1624
131E	Yet Another Task with Queens sortings	1700	x1807
161B	Discounts constructive algorithms, greedy, sortings	1700	x1922
925B	Resource Distribution binary search, implementation, sortings	1700	x2174
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2234
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2315
160C	Find Pair implementation, math, sortings	1700	x3380
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3476
631C	Report data structures, sortings	1700	x3681
729C	Road to Cinema binary search, greedy, sortings	1700	x3835
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x3936
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3941
978G	Petya's Exams greedy, implementation, sortings	1700	x4188
1468D	Firecrackers binary search, sortings	1700	x4456
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4640
1310A	Recommendations data structures, greedy, sortings	1700	x4965
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5013
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5390
732D	Exams binary search, greedy, sortings	1700	x5401
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5586
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5776
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5859
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6322
1000C	Covered Points Count data structures, implementation, sortings	1700	x6418
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6590
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6621
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6692
632C	The Smallest String Concatenation sortings, strings	1700	x7183
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7198
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7459
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7672
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7703
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8022
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8141
382C	Arithmetic Progression implementation, sortings	1700	x8151
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8638
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8758