Problemset - Codeforces

Codeforces functionality may be limited from June 18, 19:00 (UTC) to June 19, 3:00 AM (UTC) due to technical maintenance. Polygon will work as usual. ×

→ Pay attention

Before contest
Codeforces Round 954 (Div. 3)
5 days

→ Filter Problems

Difficulty: —

sortings

Add tag

Problems

#	Name
1155A	Reverse a Substring implementation, sortings, strings	1000	x13916
1154F	Shovels Shop dp, greedy, sortings	2100	x2641
1154E	Two Teams data structures, implementation, sortings	1800	x6123
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8244
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1656
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4896
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5235
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x15044
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x16834
1140C	Playlist brute force, data structures, sortings	1600	x9319
1137A	Skyscrapers implementation, sortings	1600	x4439
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7638
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5268
1133C	Balanced Team sortings, two pointers	1200	x21590
1132B	Discounts greedy, sortings	900	x12785
1131C	Birthday binary search, greedy, sortings	1200	x14616
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x900
1121A	Technogoblet of Fire implementation, sortings	1100	x7123
1119D	Frets On Fire binary search, sortings	1800	x4578
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x10079
1117B	Emotes greedy, math, sortings	1000	x13972
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8871
1110E	Magic Stones constructive algorithms, math, sortings	2200	x3823
1110B	Tape greedy, sortings	1400	x10849
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x737
1107C	Brutality greedy, sortings, two pointers	1300	x9678
1106C	Lunar New Year and Number Division greedy, implementation, math, sortings	900	x14347
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5730
1102B	Array K-Coloring greedy, sortings	1400	x10198
1101C	Division and Union sortings	1500	x7695
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16260
1092B	Teams Forming sortings	800	x25859
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x979
1088B	Ehab and subtraction implementation, sortings	1000	x12428
1082C	Multi-Subject Competition greedy, sortings	1600	x5531
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3921
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x679
1077E	Thematic Contests greedy, sortings	1800	x4439
1077D	Cutting Out binary search, sortings	1600	x8472
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4196
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2304
1061B	Views Matter greedy, implementation, sortings	1400	x7246
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5724
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2327
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2692
1042F	Leaf Sets data structures, dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1246
1041A	Heist greedy, implementation, sortings	800	x24634
1039C	Network Safety dfs and similar, dsu, graphs, math, sortings	2200	x1314
1038C	Gambling greedy, sortings	1300	x9354
1029C	Maximal Intersection greedy, math, sortings	1600	x7363
1028C	Rectangles geometry, implementation, sortings	1600	x4395
1025A	Doggo Recoloring implementation, sortings	900	x14669
1019D	Large Triangle binary search, geometry, sortings	2700	x630
1015C	Songs Compression sortings	1100	x17459
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6165
1011A	Stages greedy, implementation, sortings	900	x11997
1008B	Turn the Rectangles greedy, sortings	1000	x11280
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12021
1006B	Polycarp's Practice greedy, implementation, sortings	1200	x12912
1005E2	Median on Segments (General Case Edition) sortings	2400	x1226
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3750
1000C	Covered Points Count data structures, implementation, sortings	1700	x6525
998B	Cutting dp, greedy, sortings	1200	x12830
995C	Leaving the Bar brute force, data structures, geometry, greedy, math, sortings	2300	x1858
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5561
992A	Nastya and an Array implementation, sortings	800	x12953
991B	Getting an A greedy, sortings	900	x12388
990B	Micro-World greedy, sortings	1200	x8001
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x508
988C	Equal Sums implementation, sortings	1400	x9987
988B	Substrings Sort sortings, strings	1100	x18008
984A	Game sortings	800	x19162
981B	Businessmen Problems sortings	1000	x6800
978G	Petya's Exams greedy, implementation, sortings	1700	x4251
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17797
977C	Less or Equal sortings	1200	x32851
976E	Well played! greedy, sortings	2100	x2244
976C	Nested Segments greedy, implementation, sortings	1500	x6521
967B	Watering System math, sortings	1000	x6877
960B	Minimize the error data structures, greedy, sortings	1500	x7530
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x910
954F	Runner's Problem dp, matrices, sortings	2100	x1048
954E	Water Taps binary search, greedy, sortings	2000	x1848
949D	Curfew binary search, brute force, greedy, sortings	2300	x815
940A	Points on the line brute force, greedy, sortings	1200	x8191
937A	Olympiad implementation, sortings	800	x14899
925B	Resource Distribution binary search, implementation, sortings	1700	x2182
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4257
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9036
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4073
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4640
912C	Perun, Ult! brute force, greedy, sortings	2500	x510
909A	Generate Login brute force, greedy, sortings	1000	x9199
895B	XK Segments binary search, math, sortings, two pointers	1700	x3440
887F	Row of Models greedy, sortings	2500	x162
887E	Little Brother binary search, geometry, sortings	2800	x163
883J	Renovation constructive algorithms, greedy, sortings	2400	x557
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5159
865B	Ordering Pizza binary search, sortings, ternary search	1900	x1660
864E	Fire dp, sortings	2000	x4153