Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
34:12:15
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Problems

#	Name
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8510
710B	Optimal Point on a Line brute force, sortings	1400	x8507
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8495
1286A	Garland dp, greedy, sortings	1800	x8374
735B	Urbanization greedy, number theory, sortings	1100	x8296
1077D	Cutting Out binary search, sortings	1600	x8276
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8263
382C	Arithmetic Progression implementation, sortings	1700	x8142
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8140
940A	Points on the line brute force, greedy, sortings	1200	x8123
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8080
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8011
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x7996
653A	Bear and Three Balls brute force, implementation, sortings	900	x7990
990B	Micro-World greedy, sortings	1200	x7973
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7953
12B	Correct Solution? implementation, sortings	1100	x7890
845C	Two TVs data structures, greedy, sortings	1500	x7845
624B	Making a String greedy, sortings	1100	x7836
299A	Ksusha and Array brute force, number theory, sortings	1000	x7693
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7692
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7688
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7681
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x7669
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7652
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7629
845A	Chess Tourney implementation, sortings	1100	x7619
1101C	Division and Union sortings	1500	x7540
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7535
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7527
863B	Kayaking brute force, greedy, sortings	1500	x7517
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7475
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7443
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7439
135A	Replacement greedy, implementation, sortings	1300	x7419
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7396
960B	Minimize the error data structures, greedy, sortings	1500	x7337
424B	Megacity binary search, greedy, implementation, sortings	1200	x7319
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7287
581C	Developing Skills implementation, math, sortings	1400	x7228
1619D	New Year's Problem binary search, greedy, sortings	1800	x7211
1061B	Views Matter greedy, implementation, sortings	1400	x7206
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7190
632C	The Smallest String Concatenation sortings, strings	1700	x7168
1121A	Technogoblet of Fire implementation, sortings	1100	x7083
1029C	Maximal Intersection greedy, math, sortings	1600	x7080
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7075
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7064
137C	History sortings	1500	x7044
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x6986
234B	Reading sortings	1000	x6963
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6952
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x6949
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6943
254A	Cards with Numbers constructive algorithms, sortings	1200	x6818
967B	Watering System math, sortings	1000	x6792
79B	Colorful Field implementation, sortings	1400	x6759
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6749
981B	Businessmen Problems sortings	1000	x6740
572B	Order Book data structures, greedy, implementation, sortings	1300	x6728
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6718
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6650
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6645
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6601
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6575
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6566
169A	Chores sortings	800	x6533
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6527
379C	New Year Ratings Change greedy, sortings	1400	x6490
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6476
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6430
811B	Vladik and Complicated Book implementation, sortings	1200	x6427
350C	Bombs greedy, implementation, sortings	1600	x6423
1000C	Covered Points Count data structures, implementation, sortings	1700	x6415
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6372
257A	Sockets greedy, implementation, sortings	1100	x6371
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6353
166C	Median greedy, math, sortings	1500	x6328
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6285
976C	Nested Segments greedy, implementation, sortings	1500	x6256
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6251
659B	Qualifying Contest constructive algorithms, sortings	1300	x6175
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6156
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6146
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6079
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6075
1444B	Divide and Sum combinatorics, math, sortings	1900	x6016
291A	Spyke Talks *special problem, implementation, sortings	800	x5974
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x5968
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5950
1154E	Two Teams data structures, implementation, sortings	1800	x5947
471B	MUH and Important Things implementation, sortings	1300	x5878
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5848
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x5822
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5764
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5762
1801B	Buying gifts data structures, greedy, sortings	1800	x5756
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5743
525C	Ilya and Sticks greedy, math, sortings	1600	x5690
12C	Fruits greedy, implementation, sortings	1100	x5685