Problemset - Codeforces

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Problems

#	Name
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	x2141
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	x4140
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x532
903F	Clear The Matrix bitmasks, dp	2200	x684
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1480
903D	Almost Difference data structures, math	2200	x3886
903C	Boxes Packing greedy	1200	x18059
903B	The Modcrab greedy, implementation	1200	x7767
903A	Hungry Student Problem greedy, implementation	900	x14655
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10898
902A	Visiting a Friend greedy, implementation	1100	x9853
901E	Cyclic Cipher fft, math	3300	x88
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x513
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1185
901B	GCD of Polynomials constructive algorithms, math	2200	x1584
901A	Hashing Trees constructive algorithms, trees	1500	x5129
900E	Maximum Questions data structures, dp, strings	2100	x1279
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3267
900C	Remove Extra One brute force, data structures, math	1700	x4576
900B	Position in Fraction math, number theory	1300	x7865
900A	Find Extra One geometry, implementation	800	x13664
899F	Letters Removing data structures, strings	2100	x1855
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3098
899D	Shovel Sale constructive algorithms, math	1800	x2768
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8502
899B	Months and Years implementation	1200	x5901
899A	Splitting in Teams constructive algorithms, greedy, math	800	x10262
898F	Restoring the Expression brute force, hashing, math	2300	x1198
898E	Squares and not squares constructive algorithms, greedy	1600	x4603
898D	Alarm Clock greedy	1600	x3971
898C	Phone Numbers implementation, strings	1400	x5306
898B	Proper Nutrition brute force, implementation, number theory	1100	x9608
898A	Rounding implementation, math	800	x16293
897B	Chtholly's request brute force	1300	x7203
897A	Scarborough Fair implementation	800	x14267
896E	Welcome home, Chtholly data structures, dsu	3100	x2157
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x537
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3482
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2130
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3469
895E	Eyes Closed data structures, probabilities	2300	x1122
895D	String Mark combinatorics, math, strings	2100	x1118
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5636
895B	XK Segments binary search, math, sortings, two pointers	1700	x3549
895A	Pizza Separation brute force, implementation	1200	x6575
894E	Ralph and Mushrooms dp, graphs	2100	x2371
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1137
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4379
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4481
894A	QAQ brute force, dp	800	x34993
893F	Subtree Minimum Query data structures, trees	2300	x2005
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3717
893D	Credit Card data structures, dp, greedy, implementation	1900	x3073
893C	Rumor dfs and similar, graphs, greedy	1300	x23568
893B	Beautiful Divisors brute force, implementation	1000	x11487
893A	Chess For Three implementation	900	x10275
892B	Wrath greedy, implementation, two pointers	1200	x9048
892A	Greed greedy, implementation	900	x13608
891E	Lust combinatorics, math, matrices	3000	x939
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x194
891C	Envy data structures, dsu, graphs	2300	x2415
891B	Gluttony constructive algorithms, greedy	2000	x3013
891A	Pride brute force, dp, greedy, math, number theory	1500	x10299
889E	Mod Mod Mod binary search, dp, math	3000	x562
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x4585
888F	Connecting Vertices dp, graphs	2500	x839
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7366
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8490
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8264
888B	Buggy Robot greedy	1000	x9801
888A	Local Extrema brute force, implementation	800	x11026
887F	Row of Models greedy, sortings	2500	x166
887E	Little Brother binary search, geometry, sortings	2800	x163
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	x5641
887A	Div. 64 implementation	1000	x11291
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	x5482
886B	Vlad and Cafes	1000	x7927
886A	ACM ICPC brute force	1000	x10344
884F	Anti-Palindromize flows, graphs, greedy	2500	x1072
884E	Binary Matrix dsu	2500	x696
884D	Boxes And Balls data structures, greedy	2300	x2038
884C	Bertown Subway dfs and similar, greedy, math	1500	x4746
884B	Japanese Crosswords Strike Back implementation	1100	x6886
884A	Book Reading implementation	800	x10504
883M	Quadcopter Competition greedy, math	1100	x3603
883L	Berland.Taxi data structures	2500	x233
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1102
883J	Renovation constructive algorithms, greedy, sortings	2400	x581
883I	Photo Processing binary search, dp	1900	x2021
883H	Palindromic Cut brute force, implementation, strings	1800	x1620
883G	Orientation of Edges dfs and similar, graphs	1900	x1422