Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
12:55:29
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Before contest
Codeforces Round 941 (Div. 2)
12:55:29
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sortings

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Problems

#	Name
1132B	Discounts greedy, sortings	900	x12666
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12632
348A	Mafia binary search, math, sortings	1600	x12586
1088B	Ehab and subtraction implementation, sortings	1000	x12342
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12321
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12314
991B	Getting an A greedy, sortings	900	x12296
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12173
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12002
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11974
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11967
721B	Passwords implementation, math, sortings, strings	1100	x11965
1011A	Stages greedy, implementation, sortings	900	x11918
220A	Little Elephant and Problem implementation, sortings	1300	x11789
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11691
779C	Dishonest Sellers constructive algorithms, greedy, sortings	1200	x11617
1725B	Basketball Together binary search, greedy, sortings	1000	x11581
864A	Fair Game implementation, sortings	1000	x11514
1915F	Greetings data structures, divide and conquer, sortings	1500	x11438
1857E	Power of Points math, sortings	1500	x11432
651B	Beautiful Paintings greedy, sortings	1200	x11375
388A	Fox and Box Accumulation greedy, sortings	1400	x11326
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11258
1760F	Quests binary search, greedy, sortings	1500	x11240
1008B	Turn the Rectangles greedy, sortings	1000	x11239
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11170
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11162
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11141
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11141
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11130
682B	Alyona and Mex sortings	1200	x11081
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11057
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11054
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11038
1398D	Colored Rectangles dp, greedy, sortings	1800	x10975
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	x10964
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10907
810B	Summer sell-off greedy, sortings	1300	x10859
63A	Sinking Ship implementation, sortings, strings	900	x10837
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10764
1427B	Chess Cheater greedy, implementation, sortings	1400	x10683
1110B	Tape greedy, sortings	1400	x10586
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10582
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10535
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10470
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10352
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10297
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10250
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	x10226
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10156
1102B	Array K-Coloring greedy, sortings	1400	x10140
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10133
785B	Anton and Classes greedy, sortings	1100	x10125
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10090
155B	Combination greedy, sortings	1100	x10001
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x9979
988C	Equal Sums implementation, sortings	1400	x9891
1759E	The Humanoid brute force, dp, sortings	1500	x9888
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9873
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
652B	z-sort sortings	1000	x9817
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
489A	SwapSort greedy, implementation, sortings	1200	x9801
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9791
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9767
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9695
4D	Mysterious Present dp, sortings	1700	x9658
1107C	Brutality greedy, sortings, two pointers	1300	x9641
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9480
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9477
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9365
1038C	Gambling greedy, sortings	1300	x9330
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9327
1684D	Traps constructive algorithms, greedy, sortings	1700	x9283
1140C	Playlist brute force, data structures, sortings	1600	x9248
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9197
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9135
909A	Generate Login brute force, greedy, sortings	1000	x9131
1951C	Ticket Hoarding greedy, math, sortings	1400	x9057
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9032
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9027
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8982
670C	Cinema implementation, sortings	1300	x8910
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8888
1269B	Modulo Equality brute force, sortings	1500	x8887
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8845
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	x8821
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8759
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8754
1198A	MP3 sortings, two pointers	1600	x8747
792A	New Bus Route implementation, sortings	1100	x8720
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8707
263B	Squares greedy, implementation, sortings	900	x8699
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8683
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8638
1786B	Cake Assembly Line brute force, sortings	1300	x8586