Problemset - Codeforces

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Codeforces Round (Div. 3)
38:44:23
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Problems

#	Name
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1733
910B	Door Frames greedy, implementation	1600	x1675
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11359
909F	AND-permutations constructive algorithms	2500	x514
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x1988
909D	Colorful Points data structures, greedy, implementation	2100	x1676
909C	Python Indentation dp	1800	x4740
909B	Segments constructive algorithms, math	1300	x6192
909A	Generate Login brute force, greedy, sortings	1000	x9135
908H	New Year and Boolean Bridges	3100	x373
908G	New Year and Original Order dp, math	2800	x1281
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1369
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x733
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2241
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6663
908B	New Year and Buggy Bot brute force, implementation	1200	x7571
908A	New Year and Counting Cards brute force, implementation	800	x14603
907B	Tic-Tac-Toe implementation	1400	x4006
907A	Masha and Bears brute force, implementation	1300	x5554
906E	Reverses dp, string suffix structures, strings	3300	x427
906D	Power Tower chinese remainder theorem, math, number theory	2700	x1966
906C	Party bitmasks, brute force, dp, graphs	2400	x1179
906B	Seating of Students brute force, constructive algorithms, math	2200	x1121
906A	Shockers implementation, strings	1600	x4092
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x509
903F	Clear The Matrix bitmasks, dp	2200	x624
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1253
903D	Almost Difference data structures, math	2200	x3692
903C	Boxes Packing greedy	1200	x16343
903B	The Modcrab greedy, implementation	1200	x7573
903A	Hungry Student Problem greedy, implementation	900	x14370
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10457
902A	Visiting a Friend greedy, implementation	1100	x9679
901E	Cyclic Cipher fft, math	3300	x84
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x428
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1131
901B	GCD of Polynomials constructive algorithms, math	2200	x1373
901A	Hashing Trees constructive algorithms, trees	1500	x5008
900E	Maximum Questions data structures, dp, strings	2100	x1028
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x2971
900C	Remove Extra One brute force, data structures, math	1700	x4410
900B	Position in Fraction math, number theory	1300	x7620
900A	Find Extra One geometry, implementation	800	x13349
899F	Letters Removing data structures, strings	2100	x1572
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x2735
899D	Shovel Sale constructive algorithms, math	1800	x2677
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8262
899B	Months and Years implementation	1200	x5746
899A	Splitting in Teams constructive algorithms, greedy, math	800	x10074
898F	Restoring the Expression brute force, hashing, math	2300	x1121
898E	Squares and not squares constructive algorithms, greedy	1600	x4488
898D	Alarm Clock greedy	1600	x3612
898C	Phone Numbers implementation, strings	1400	x5128
898B	Proper Nutrition brute force, implementation, number theory	1100	x9253
898A	Rounding implementation, math	800	x15589
897B	Chtholly's request brute force	1300	x7074
897A	Scarborough Fair implementation	800	x13919
896E	Welcome home, Chtholly data structures, dsu	3100	x1961
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x516
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3138
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2047
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3335
895E	Eyes Closed data structures, probabilities	2300	x907
895D	String Mark combinatorics, math, strings	2100	x1086
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5112
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
895A	Pizza Separation brute force, implementation	1200	x6448
894E	Ralph and Mushrooms dp, graphs	2100	x2137
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1105
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4279
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4373
894A	QAQ brute force, dp	800	x32833
893F	Subtree Minimum Query data structures, trees	2300	x1662
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3255
893D	Credit Card data structures, dp, greedy, implementation	1900	x2916
893C	Rumor dfs and similar, graphs, greedy	1300	x21583
893B	Beautiful Divisors brute force, implementation	1000	x10931
893A	Chess For Three implementation	900	x10009
892B	Wrath greedy, implementation, two pointers	1200	x8657
892A	Greed greedy, implementation	900	x13193
891E	Lust combinatorics, math, matrices	3000	x843
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x169
891C	Envy data structures, dsu, graphs	2300	x2216
891B	Gluttony constructive algorithms, greedy	2000	x2899
891A	Pride brute force, dp, greedy, math, number theory	1500	x9589
889E	Mod Mod Mod binary search, dp, math	3000	x514
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x3878
888F	Connecting Vertices dp, graphs	2500	x745
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x6593
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7599
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8059
888B	Buggy Robot greedy	1000	x9516
888A	Local Extrema brute force, implementation	800	x10656
887F	Row of Models greedy, sortings	2500	x160
887E	Little Brother binary search, geometry, sortings	2800	x162
887D	Ratings and Reality Shows data structures, two pointers	2400	x471
887C	Solution for Cube brute force, implementation	1500	x2833
887B	Cubes for Masha brute force, implementation	1300	x5528
887A	Div. 64 implementation	1000	x10931
886F	Symmetric Projections geometry	2900	x262