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
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3680
631C	Report data structures, sortings	1700	x3681
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3706
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3708
1641B	Repetitions Decoding constructive algorithms, implementation, sortings	2000	x3718
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3740
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
652D	Nested Segments data structures, sortings	1800	x3781
1110E	Magic Stones constructive algorithms, math, sortings	2200	x3800
425A	Sereja and Swaps brute force, sortings	1500	x3806
729C	Road to Cinema binary search, greedy, sortings	1700	x3835
1555E	Boring Segments data structures, sortings, trees, two pointers	2100	x3852
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3853
717C	Potions Homework implementation, sortings	1200	x3862
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x3867
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3875
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x3887
1333F	Kate and imperfection greedy, implementation, math, number theory, sortings, two pointers	2200	x3906
1311F	Moving Points data structures, divide and conquer, implementation, sortings	1900	x3918
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x3936
598C	Nearest vectors geometry, sortings	2300	x3937
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3937
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3939
593B	Anton and Lines geometry, sortings	1600	x3940
915E	Physical Education Lessons data structures, implementation, sortings	2300	x3981
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4000
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4047
13C	Sequence dp, sortings	2200	x4048
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4061
1514D	Cut and Stick binary search, data structures, greedy, implementation, sortings	2000	x4080
1282C	Petya and Exam greedy, sortings, two pointers	1800	x4097
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4111
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4116
864E	Fire dp, sortings	2000	x4122
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4126
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4154
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4161
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4184
978G	Petya's Exams greedy, implementation, sortings	1700	x4185
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4195
3B	Lorry greedy, sortings	1900	x4195
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4222
1569D	Inconvenient Pairs binary search, data structures, implementation, sortings, two pointers	1900	x4234
1365F	Swaps Again constructive algorithms, implementation, sortings	2100	x4300
1028C	Rectangles geometry, implementation, sortings	1600	x4311
1907F	Shift and Reverse greedy, sortings	1800	x4315
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4323
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4323
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4336
1077E	Thematic Contests greedy, sortings	1800	x4349
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4351
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4352
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4360
1137A	Skyscrapers implementation, sortings	1600	x4375
817D	Imbalanced Array data structures, divide and conquer, dsu, sortings	1900	x4381
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4410
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4442
1468D	Firecrackers binary search, sortings	1700	x4453
1119D	Frets On Fire binary search, sortings	1800	x4489
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
599C	Day at the Beach sortings	1600	x4557
1773E	Easy Assembly greedy, sortings	1400	x4628
597B	Restaurant dp, greedy, sortings	1600	x4629
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4640
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4643
809A	Do you want a date? implementation, math, sortings	1500	x4648
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4693
709B	Checkpoints greedy, implementation, sortings	1500	x4696
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x4703
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4729
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x4746
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4783
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x4800
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4830
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4858
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x4862
1310A	Recommendations data structures, greedy, sortings	1700	x4945
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4947
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x4949
404C	Restore Graph dfs and similar, graphs, sortings	1800	x4988
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5012
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5016
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5043
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5073
261A	Maxim and Discounts greedy, sortings	1400	x5085
378B	Semifinals implementation, sortings	1300	x5095
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5113
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5123
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5145
579B	Finding Team Member brute force, implementation, sortings	1300	x5181
459E	Pashmak and Graph dp, sortings	1900	x5251
149C	Division into Teams greedy, math, sortings	1500	x5251
412B	Network Configuration greedy, sortings	900	x5258
186B	Growing Mushrooms greedy, sortings	1200	x5281
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5351
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5375
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5395
732D	Exams binary search, greedy, sortings	1700	x5397
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5464