Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
603A	Alternative Thinking dp, greedy, math	1600	x7531
1878D	Reverse Madness data structures, greedy	1600	x7522
1003D	Coins and Queries greedy	1600	x7493
1013B	And greedy	1200	x7459
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7456
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7450
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7446
135A	Replacement greedy, implementation, sortings	1300	x7421
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x7413
1082B	Vova and Trophies greedy	1600	x7403
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7385
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x7371
587A	Duff and Weight Lifting greedy	1500	x7354
960B	Minimize the error data structures, greedy, sortings	1500	x7349
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7346
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7331
424B	Megacity binary search, greedy, implementation, sortings	1200	x7322
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7321
950B	Intercepted Message greedy, implementation	1100	x7293
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7292
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7276
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7261
1153C	Serval and Parenthesis Sequence greedy, strings	1700	x7261
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7258
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7247
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7234
1619D	New Year's Problem binary search, greedy, sortings	1800	x7223
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7215
1061B	Views Matter greedy, implementation, sortings	1400	x7212
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7210
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7198
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7187
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7135
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7133
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7103
1238C	Standard Free2play dp, greedy, math	1600	x7094
1029C	Maximal Intersection greedy, math, sortings	1600	x7092
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7091
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7085
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7035
1692H	Gambling data structures, dp, greedy, math	1700	x7018
765B	Code obfuscation greedy, implementation, strings	1100	x7015
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7013
1040B	Shashlik Cooking dp, greedy, math	1300	x7008
995B	Suit and Tie greedy, implementation, math	1400	x7008
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7006
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7005
991D	Bishwock dp, greedy	1500	x6996
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x6973
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x6958
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6953
1883E	Look Back bitmasks, greedy	1700	x6952
145A	Lucky Conversion greedy, implementation	1200	x6952
569B	Inventory greedy, math	1200	x6944
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x6942
441B	Valera and Fruits greedy, implementation	1400	x6922
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x6910
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x6896
915C	Permute Digits dp, greedy	1700	x6873
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6866
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x6859
257B	Playing Cubes games, greedy, implementation	1300	x6850
389B	Fox and Cross greedy, implementation	1100	x6809
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x6801
1303D	Fill The Bag bitmasks, greedy	1900	x6795
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6774
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6767
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x6766
1353E	K-periodic Garland brute force, dp, greedy	1900	x6761
1666D	Deletive Editing greedy	900	x6755
1776A	Walking Boy greedy	800	x6745
435B	Pasha Maximizes greedy	1400	x6736
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6736
572B	Order Book data structures, greedy, implementation, sortings	1300	x6733
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x6726
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6723
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6693
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6672
1787C	Remove the Bracket dp, greedy, math	1600	x6671
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6670
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x6665
357A	Group of Students brute force, greedy, implementation	1000	x6665
1462F	The Treasure of The Segments binary search, data structures, greedy	1800	x6655
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6645
1256C	Platforms Jumping greedy	1700	x6637
771B	Bear and Different Names constructive algorithms, greedy	1500	x6625
1175C	Electrification binary search, brute force, greedy	1600	x6593
1027C	Minimum Value Rectangle greedy	1600	x6592
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6575
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6572
821C	Okabe and Boxes data structures, greedy, trees	1500	x6569
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6556
955A	Feed the cat greedy, math	1100	x6545
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6539
219C	Color Stripe brute force, dp, greedy	1600	x6532
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6511
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6496
379C	New Year Ratings Change greedy, sortings	1400	x6492
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6490
750C	New Year and Rating binary search, greedy, math	1600	x6483