Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
15:16:18
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Before contest
Codeforces Round 941 (Div. 2)
15:16:19
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Problems

#	Name
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x8821
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9197
1684D	Traps constructive algorithms, greedy, sortings	1700	x9283
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9480
4D	Mysterious Present dp, sortings	1700	x9658
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10226
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10250
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10352
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x10966
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12173
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x578
175C	Geometry Horse greedy, implementation, sortings, two pointers	1600	x1288
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2214
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2581
830B	Cards Sorting data structures, implementation, sortings	1600	x2788
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3709
593B	Anton and Lines geometry, sortings	1600	x3940
1028C	Rectangles geometry, implementation, sortings	1600	x4311
1137A	Skyscrapers implementation, sortings	1600	x4414
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4523
599C	Day at the Beach sortings	1600	x4557
597B	Restaurant dp, greedy, sortings	1600	x4630
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x4949
1082C	Multi-Subject Competition greedy, sortings	1600	x5501
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5614
525C	Ilya and Sticks greedy, math, sortings	1600	x5693
350C	Bombs greedy, implementation, sortings	1600	x6428
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6666
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7014
1029C	Maximal Intersection greedy, math, sortings	1600	x7157
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7687
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x7774
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8027
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8202
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8281
1077D	Cutting Out binary search, sortings	1600	x8294
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8683
1198A	MP3 sortings, two pointers	1600	x8746
1461D	Divide and Summarize binary search, brute force, data structures, divide and conquer, implementation, sortings	1600	x8887
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
1140C	Playlist brute force, data structures, sortings	1600	x9248
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11038
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11258
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11967
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12314
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12321
348A	Mafia binary search, math, sortings	1600	x12586
1475E	Advertising Agency combinatorics, math, sortings	1600	x12839
1374E1	Reading Books (easy version) data structures, greedy, sortings	1600	x13503
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14171
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15034
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15170
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17308
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19254
649C	Печать условий constructive algorithms, greedy, sortings	1500	x439
172C	Bus *special problem, implementation, sortings	1500	x1129
331A2	Oh Sweet Beaverette data structures, sortings	1500	x1383
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1903
53D	Physical Education sortings	1500	x1904
237B	Young Table implementation, sortings	1500	x2218
115B	Lawnmower greedy, sortings	1500	x2421
384B	Multitasking greedy, implementation, sortings, two pointers	1500	x3478
425A	Sereja and Swaps brute force, sortings	1500	x3807
809A	Do you want a date? implementation, math, sortings	1500	x4649
709B	Checkpoints greedy, implementation, sortings	1500	x4696
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5114
149C	Division into Teams greedy, math, sortings	1500	x5251
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5506
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5544
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6147
976C	Nested Segments greedy, implementation, sortings	1500	x6267
166C	Median greedy, math, sortings	1500	x6333
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6739
137C	History sortings	1500	x7051
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7075
960B	Minimize the error data structures, greedy, sortings	1500	x7353
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7445
863B	Kayaking brute force, greedy, sortings	1500	x7533
1101C	Division and Union sortings	1500	x7556
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7595
845C	Two TVs data structures, greedy, sortings	1500	x7859
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8841
1269B	Modulo Equality brute force, sortings	1500	x8887
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9026
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9134
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9365
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9766
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9834
1759E	The Humanoid brute force, dp, sortings	1500	x9888
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x9979
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10133
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10764
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11130
1515D	Phoenix and Socks greedy, sortings, two pointers	1500	x11141
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11170
1760F	Quests binary search, greedy, sortings	1500	x11240
1857E	Power of Points math, sortings	1500	x11432
1915F	Greetings data structures, divide and conquer, sortings	1500	x11437
1551C	Interesting Story greedy, sortings, strings	1500	x12862