Problemset - Codeforces

Problems

#	Name
908G	New Year and Original Order dp, math	2800	x1377
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1401
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x760
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2392
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6935
908B	New Year and Buggy Bot brute force, implementation	1200	x7674
908A	New Year and Counting Cards brute force, implementation	800	x14831
907B	Tic-Tac-Toe implementation	1400	x4070
907A	Masha and Bears brute force, implementation	1300	x5710
906E	Reverses dp, string suffix structures, strings	3300	x454
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2144
906C	Party bitmasks, brute force, dp, graphs	2400	x1373
906B	Seating of Students brute force, constructive algorithms, math	2200	x1143
906A	Shockers implementation, strings	1600	x4143
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x535
903F	Clear The Matrix bitmasks, dp	2200	x686
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1481
903D	Almost Difference data structures, math	2200	x3889
903C	Boxes Packing greedy	1200	x18094
903B	The Modcrab greedy, implementation	1200	x7769
903A	Hungry Student Problem greedy, implementation	900	x14660
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10903
902A	Visiting a Friend greedy, implementation	1100	x9857
901E	Cyclic Cipher fft, math	3300	x88
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x515
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1185
901B	GCD of Polynomials constructive algorithms, math	2200	x1586
901A	Hashing Trees constructive algorithms, trees	1500	x5130
900E	Maximum Questions data structures, dp, strings	2100	x1279
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3271
900C	Remove Extra One brute force, data structures, math	1700	x4578
900B	Position in Fraction math, number theory	1300	x7867
900A	Find Extra One geometry, implementation	800	x13670
899F	Letters Removing data structures, strings	2100	x1855
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3099
899D	Shovel Sale constructive algorithms, math	1800	x2770
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8510
899B	Months and Years implementation	1200	x5901
899A	Splitting in Teams constructive algorithms, greedy, math	800	x10265
898F	Restoring the Expression brute force, hashing, math	2300	x1198
898E	Squares and not squares constructive algorithms, greedy	1600	x4604
898D	Alarm Clock greedy	1600	x3974
898C	Phone Numbers implementation, strings	1400	x5309
898B	Proper Nutrition brute force, implementation, number theory	1100	x9611
898A	Rounding implementation, math	800	x16296
897B	Chtholly's request brute force	1300	x7203
897A	Scarborough Fair implementation	800	x14297
896E	Welcome home, Chtholly data structures, dsu	3100	x2160
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x537
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3492
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2132
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3470
895E	Eyes Closed data structures, probabilities	2300	x1125
895D	String Mark combinatorics, math, strings	2100	x1119
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5641
895B	XK Segments binary search, math, sortings, two pointers	1700	x3558
895A	Pizza Separation brute force, implementation	1200	x6575
894E	Ralph and Mushrooms dp, graphs	2100	x2374
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1137
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4380
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4483
894A	QAQ brute force, dp	800	x35031
893F	Subtree Minimum Query data structures, trees	2300	x2010
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3720
893D	Credit Card data structures, dp, greedy, implementation	1900	x3074
893C	Rumor dfs and similar, graphs, greedy	1300	x23583
893B	Beautiful Divisors brute force, implementation	1000	x11496
893A	Chess For Three implementation	900	x10278
892B	Wrath greedy, implementation, two pointers	1200	x9052
892A	Greed greedy, implementation	900	x13613
891E	Lust combinatorics, math, matrices	3000	x940
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x194
891C	Envy data structures, dsu, graphs	2300	x2421
891B	Gluttony constructive algorithms, greedy	2000	x3013
891A	Pride brute force, dp, greedy, math, number theory	1500	x10309
889E	Mod Mod Mod binary search, dp, math	3000	x567
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x4595
888F	Connecting Vertices dp, graphs	2500	x842
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7373
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8497
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8268
888B	Buggy Robot greedy	1000	x9811
888A	Local Extrema brute force, implementation	800	x11054
887F	Row of Models greedy, sortings	2500	x166
887E	Little Brother binary search, geometry, sortings	2800	x164
887D	Ratings and Reality Shows data structures, two pointers	2400	x481
887C	Solution for Cube brute force, implementation	1500	x2900
887B	Cubes for Masha brute force, implementation	1300	x5645
887A	Div. 64 implementation	1000	x11294
886F	Symmetric Projections geometry	2900	x268
886E	Maximum Element combinatorics, dp, math	2400	x1029
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x1803
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5483
886B	Vlad and Cafes	1000	x7931
886A	ACM ICPC brute force	1000	x10348
884F	Anti-Palindromize flows, graphs, greedy	2500	x1073
884E	Binary Matrix dsu	2500	x696
884D	Boxes And Balls data structures, greedy	2300	x2041
884C	Bertown Subway dfs and similar, greedy, math	1500	x4748
884B	Japanese Crosswords Strike Back implementation	1100	x6888