Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
28:08:29
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Before contest
Codeforces Round 941 (Div. 2)
28:08:29
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Problems

#	Name
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7959
990B	Micro-World greedy, sortings	1200	x7978
653A	Bear and Three Balls brute force, implementation, sortings	900	x7991
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8019
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8027
940A	Points on the line brute force, greedy, sortings	1200	x8131
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8141
382C	Arithmetic Progression implementation, sortings	1700	x8151
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8201
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8280
1077D	Cutting Out binary search, sortings	1600	x8294
735B	Urbanization greedy, number theory, sortings	1100	x8298
1286A	Garland dp, greedy, sortings	1800	x8380
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8509
710B	Optimal Point on a Line brute force, sortings	1400	x8515
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8542
1786B	Cake Assembly Line brute force, sortings	1300	x8585
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8637
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8682
263B	Squares greedy, implementation, sortings	900	x8699
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8706
792A	New Bus Route implementation, sortings	1100	x8720
1198A	MP3 sortings, two pointers	1600	x8743
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8753
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8755
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8820
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8841
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8845
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8886
1269B	Modulo Equality brute force, sortings	1500	x8887
670C	Cinema implementation, sortings	1300	x8910
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8982
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9013
1951C	Ticket Hoarding greedy, math, sortings	1400	x9017
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9031
909A	Generate Login brute force, greedy, sortings	1000	x9129
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9133
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9195
1140C	Playlist brute force, data structures, sortings	1600	x9246
1684D	Traps constructive algorithms, greedy, sortings	1700	x9282
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9326
1038C	Gambling greedy, sortings	1300	x9330
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9360
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9475
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9478
1107C	Brutality greedy, sortings, two pointers	1300	x9641
4D	Mysterious Present dp, sortings	1700	x9656
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9693
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9758
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9789
489A	SwapSort greedy, implementation, sortings	1200	x9799
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
652B	z-sort sortings	1000	x9814
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9870
1759E	The Humanoid brute force, dp, sortings	1500	x9882
988C	Equal Sums implementation, sortings	1400	x9889
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x9975
155B	Combination greedy, sortings	1100	x10001
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10089
785B	Anton and Classes greedy, sortings	1100	x10125
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10132
1102B	Array K-Coloring greedy, sortings	1400	x10140
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10154
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10225
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	900	x10238
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10249
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10296
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10352
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10459
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10527
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10580
1110B	Tape greedy, sortings	1400	x10584
1427B	Chess Cheater greedy, implementation, sortings	1400	x10682
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10761
63A	Sinking Ship implementation, sortings, strings	900	x10837
810B	Summer sell-off greedy, sortings	1300	x10857
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10906
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x10955
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10966
1398D	Colored Rectangles dp, greedy, sortings	1800	x10974
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11034
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11050
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11052
682B	Alyona and Mex sortings	1200	x11080
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11129
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11132
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11139
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11159
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11162
1760F	Quests binary search, greedy, sortings	1500	x11234
1008B	Turn the Rectangles greedy, sortings	1000	x11238
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11258
388A	Fox and Box Accumulation greedy, sortings	1400	x11326
651B	Beautiful Paintings greedy, sortings	1200	x11374
1857E	Power of Points math, sortings	1500	x11432
1915F	Greetings data structures, divide and conquer, sortings	1500	x11434
864A	Fair Game implementation, sortings	1000	x11514
1725B	Basketball Together binary search, greedy, sortings	1000	x11574