Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
37:13:57
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
37:13:57
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

sortings

Add tag

Problems

#	Name
1132B	Discounts greedy, sortings	900	x12637
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12627
348A	Mafia binary search, math, sortings	1600	x12584
1088B	Ehab and subtraction implementation, sortings	1000	x12342
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12311
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12305
991B	Getting an A greedy, sortings	900	x12294
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12171
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x11998
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11972
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11967
721B	Passwords implementation, math, sortings, strings	1100	x11964
1011A	Stages greedy, implementation, sortings	900	x11918
220A	Little Elephant and Problem implementation, sortings	1300	x11788
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11687
779C	Dishonest Sellers constructive algorithms, greedy, sortings	1200	x11615
1725B	Basketball Together binary search, greedy, sortings	1000	x11569
864A	Fair Game implementation, sortings	1000	x11514
1915F	Greetings data structures, divide and conquer, sortings	1500	x11434
1857E	Power of Points math, sortings	1500	x11430
651B	Beautiful Paintings greedy, sortings	1200	x11374
388A	Fox and Box Accumulation greedy, sortings	1400	x11326
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11257
1008B	Turn the Rectangles greedy, sortings	1000	x11238
1760F	Quests binary search, greedy, sortings	1500	x11231
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11162
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11156
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11139
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11130
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11129
682B	Alyona and Mex sortings	1200	x11080
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11052
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11049
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11027
1398D	Colored Rectangles dp, greedy, sortings	1800	x10972
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10966
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x10951
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10906
810B	Summer sell-off greedy, sortings	1300	x10855
63A	Sinking Ship implementation, sortings, strings	900	x10837
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10758
1427B	Chess Cheater greedy, implementation, sortings	1400	x10682
1110B	Tape greedy, sortings	1400	x10583
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10580
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10526
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10450
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10349
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10294
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10247
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	900	x10238
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10225
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10154
1102B	Array K-Coloring greedy, sortings	1400	x10138
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10131
785B	Anton and Classes greedy, sortings	1100	x10125
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10085
155B	Combination greedy, sortings	1100	x10001
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x9975
988C	Equal Sums implementation, sortings	1400	x9888
1759E	The Humanoid brute force, dp, sortings	1500	x9880
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9866
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
652B	z-sort sortings	1000	x9814
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
489A	SwapSort greedy, implementation, sortings	1200	x9798
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9788
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9755
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9693
4D	Mysterious Present dp, sortings	1700	x9656
1107C	Brutality greedy, sortings, two pointers	1300	x9639
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9478
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9474
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9360
1038C	Gambling greedy, sortings	1300	x9329
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9326
1684D	Traps constructive algorithms, greedy, sortings	1700	x9282
1140C	Playlist brute force, data structures, sortings	1600	x9244
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9189
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9132
909A	Generate Login brute force, greedy, sortings	1000	x9129
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9031
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9003
1951C	Ticket Hoarding greedy, math, sortings	1400	x8997
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8982
670C	Cinema implementation, sortings	1300	x8910
1269B	Modulo Equality brute force, sortings	1500	x8886
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8883
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8843
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8841
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8820
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8752
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8752
1198A	MP3 sortings, two pointers	1600	x8742
792A	New Bus Route implementation, sortings	1100	x8719
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8705
263B	Squares greedy, implementation, sortings	900	x8698
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8682
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8637
1786B	Cake Assembly Line brute force, sortings	1300	x8585