Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
41:33:18
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Before contest
Codeforces Round 941 (Div. 2)
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Problems

#	Name
1424G	Years data structures, sortings	1300	x5635
1175D	Array Splitting greedy, sortings	1900	x5635
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5614
1251D	Salary Changing binary search, greedy, sortings	1900	x5610
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5585
203C	Photographer greedy, sortings	1400	x5567
769A	Year of University Entrance *special problem, implementation, sortings	800	x5565
558E	A Simple Task data structures, sortings, strings	2300	x5558
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5536
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5525
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5522
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5519
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x5517
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5515
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5506
1082C	Multi-Subject Competition greedy, sortings	1600	x5499
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5468
732D	Exams binary search, greedy, sortings	1700	x5401
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5397
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5386
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5361
186B	Growing Mushrooms greedy, sortings	1200	x5282
412B	Network Configuration greedy, sortings	900	x5258
459E	Pashmak and Graph dp, sortings	1900	x5251
149C	Division into Teams greedy, math, sortings	1500	x5251
579B	Finding Team Member brute force, implementation, sortings	1300	x5181
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5172
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5124
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5113
378B	Semifinals implementation, sortings	1300	x5096
261A	Maxim and Discounts greedy, sortings	1400	x5085
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5074
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5067
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5016
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5013
404C	Restore Graph dfs and similar, graphs, sortings	1800	x4990
1310A	Recommendations data structures, greedy, sortings	1700	x4959
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x4949
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4947
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4862
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4858
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4837
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x4803
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4786
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x4749
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4731
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4706
709B	Checkpoints greedy, implementation, sortings	1500	x4696
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4694
809A	Do you want a date? implementation, math, sortings	1500	x4649
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4645
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4640
1773E	Easy Assembly greedy, sortings	1400	x4630
597B	Restaurant dp, greedy, sortings	1600	x4630
599C	Day at the Beach sortings	1600	x4557
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
1119D	Frets On Fire binary search, sortings	1800	x4491
1468D	Firecrackers binary search, sortings	1700	x4454
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4444
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4425
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4412
1137A	Skyscrapers implementation, sortings	1600	x4408
817D	Imbalanced Array data structures, divide and conquer, dsu, sortings	1900	x4382
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4360
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4352
1077E	Thematic Contests greedy, sortings	1800	x4351
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4351
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4330
1907F	Shift and Reverse greedy, sortings	1800	x4324
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4324
1028C	Rectangles geometry, implementation, sortings	1600	x4311
1365F	Swaps Again constructive algorithms, implementation, sortings	2100	x4300
1569D	Inconvenient Pairs binary search, data structures, implementation, sortings, two pointers	1900	x4239
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4225
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4202
3B	Lorry greedy, sortings	1900	x4197
978G	Petya's Exams greedy, implementation, sortings	1700	x4187
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4184
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4161
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4154
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4126
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4125
864E	Fire dp, sortings	2000	x4122
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4115
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4097
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4080
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4061
13C	Sequence dp, sortings	2200	x4059
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4050
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4001
915E	Physical Education Lessons data structures, implementation, sortings	2300	x3984
598C	Nearest vectors geometry, sortings	2300	x3941
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3940
593B	Anton and Lines geometry, sortings	1600	x3940
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3937
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x3936
1311F	Moving Points data structures, divide and conquer, implementation, sortings	1900	x3926
1333F	Kate and imperfection greedy, implementation, math, number theory, sortings, two pointers	2200	x3906
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x3889