Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
06:39:39
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Problems

#	Name
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8747
263B	Squares greedy, implementation, sortings	900	x8725
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8723
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8716
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8673
1786B	Cake Assembly Line brute force, sortings	1300	x8644
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8560
710B	Optimal Point on a Line brute force, sortings	1400	x8535
1286A	Garland dp, greedy, sortings	1800	x8412
1077D	Cutting Out binary search, sortings	1600	x8344
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8320
735B	Urbanization greedy, number theory, sortings	1100	x8304
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8219
940A	Points on the line brute force, greedy, sortings	1200	x8171
382C	Arithmetic Progression implementation, sortings	1700	x8165
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8158
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8119
12B	Correct Solution? implementation, sortings	1100	x8073
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8061
653A	Bear and Three Balls brute force, implementation, sortings	900	x8016
990B	Micro-World greedy, sortings	1200	x7990
1367D	Task On The Board constructive algorithms, greedy, implementation, sortings	1800	x7988
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x7976
845C	Two TVs data structures, greedy, sortings	1500	x7914
624B	Making a String greedy, sortings	1100	x7912
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7867
299A	Ksusha and Array brute force, number theory, sortings	1000	x7764
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7735
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7719
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7704
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7679
845A	Chess Tourney implementation, sortings	1100	x7634
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7624
863B	Kayaking brute force, greedy, sortings	1500	x7619
1101C	Division and Union sortings	1500	x7596
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7578
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7554
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7553
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7535
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7516
135A	Replacement greedy, implementation, sortings	1300	x7445
960B	Minimize the error data structures, greedy, sortings	1500	x7418
424B	Megacity binary search, greedy, implementation, sortings	1200	x7354
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7347
1029C	Maximal Intersection greedy, math, sortings	1600	x7320
1619D	New Year's Problem binary search, greedy, sortings	1800	x7290
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x7273
632C	The Smallest String Concatenation sortings, strings	1700	x7264
581C	Developing Skills implementation, math, sortings	1400	x7250
1061B	Views Matter greedy, implementation, sortings	1400	x7229
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7217
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7196
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7125
1121A	Technogoblet of Fire implementation, sortings	1100	x7106
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7088
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7084
137C	History sortings	1500	x7074
234B	Reading sortings	1000	x6992
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x6986
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6956
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6877
254A	Cards with Numbers constructive algorithms, sortings	1200	x6856
967B	Watering System math, sortings	1000	x6841
79B	Colorful Field implementation, sortings	1400	x6826
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6789
981B	Businessmen Problems sortings	1000	x6780
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6775
572B	Order Book data structures, greedy, implementation, sortings	1300	x6761
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6748
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6676
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6645
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6600
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6589
169A	Chores sortings	800	x6573
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6572
379C	New Year Ratings Change greedy, sortings	1400	x6494
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6465
350C	Bombs greedy, implementation, sortings	1600	x6462
1000C	Covered Points Count data structures, implementation, sortings	1700	x6453
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6447
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6446
811B	Vladik and Complicated Book implementation, sortings	1200	x6442
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6428
257A	Sockets greedy, implementation, sortings	1100	x6387
166C	Median greedy, math, sortings	1500	x6354
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6336
976C	Nested Segments greedy, implementation, sortings	1500	x6311
1971G	XOUR data structures, dsu, sortings	1400	x6195
659B	Qualifying Contest constructive algorithms, sortings	1300	x6177
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6153
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6136
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6116
1444B	Divide and Sum combinatorics, math, sortings	1900	x6053
1154E	Two Teams data structures, implementation, sortings	1800	x6043
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6035
291A	Spyke Talks *special problem, implementation, sortings	800	x5988
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5962
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5909
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5903
471B	MUH and Important Things implementation, sortings	1300	x5892