Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7953
990B	Micro-World greedy, sortings	1200	x7972
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x7989
653A	Bear and Three Balls brute force, implementation, sortings	900	x7990
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8009
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8062
940A	Points on the line brute force, greedy, sortings	1200	x8122
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8140
382C	Arithmetic Progression implementation, sortings	1700	x8141
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8262
1077D	Cutting Out binary search, sortings	1600	x8270
735B	Urbanization greedy, number theory, sortings	1100	x8295
1286A	Garland dp, greedy, sortings	1800	x8374
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8493
710B	Optimal Point on a Line brute force, sortings	1400	x8506
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8507
1786B	Cake Assembly Line brute force, sortings	1300	x8570
1951C	Ticket Hoarding greedy, math, sortings	1400	x8573
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8615
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8674
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8695
263B	Squares greedy, implementation, sortings	900	x8696
792A	New Bus Route implementation, sortings	1100	x8708
1198A	MP3 sortings, two pointers	1600	x8727
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8730
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8748
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8810
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8830
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8836
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8876
1269B	Modulo Equality brute force, sortings	1500	x8881
670C	Cinema implementation, sortings	1300	x8905
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x8921
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8975
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9025
1140C	Playlist brute force, data structures, sortings	1600	x9103
909A	Generate Login brute force, greedy, sortings	1000	x9120
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9123
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9148
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9176
1684D	Traps constructive algorithms, greedy, sortings	1700	x9269
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9312
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9325
1038C	Gambling greedy, sortings	1300	x9327
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x9455
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9469
4D	Mysterious Present dp, sortings	1700	x9634
1107C	Brutality greedy, sortings, two pointers	1300	x9635
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9678
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9694
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9756
489A	SwapSort greedy, implementation, sortings	1200	x9792
652B	z-sort sortings	1000	x9798
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9802
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9803
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9824
1759E	The Humanoid brute force, dp, sortings	1500	x9839
988C	Equal Sums implementation, sortings	1400	x9851
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x9954
155B	Combination greedy, sortings	1100	x9990
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10060
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10091
785B	Anton and Classes greedy, sortings	1100	x10122
1102B	Array K-Coloring greedy, sortings	1400	x10134
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10143
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10214
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	900	x10232
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10238
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10266
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10332
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10349
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10511
1110B	Tape greedy, sortings	1400	x10558
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10573
1427B	Chess Cheater greedy, implementation, sortings	1400	x10670
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10741
63A	Sinking Ship implementation, sortings, strings	900	x10773
810B	Summer sell-off greedy, sortings	1300	x10826
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10901
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x10908
1398D	Colored Rectangles dp, greedy, sortings	1800	x10953
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10962
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x10984
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11003
1185C1	Exam in BerSU (easy version) greedy, sortings	1200	x11045
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11062
682B	Alyona and Mex sortings	1200	x11073
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11079
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11088
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11130
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11155
1760F	Quests binary search, greedy, sortings	1500	x11197
1008B	Turn the Rectangles greedy, sortings	1000	x11233
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11245
388A	Fox and Box Accumulation greedy, sortings	1400	x11319
1915F	Greetings data structures, divide and conquer, sortings	1500	x11331
651B	Beautiful Paintings greedy, sortings	1200	x11365
1857E	Power of Points math, sortings	1500	x11392
1725B	Basketball Together binary search, greedy, sortings	1000	x11496
864A	Fair Game implementation, sortings	1000	x11508