Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
915C	Permute Digits dp, greedy	1700	x7673
915B	Browser implementation	1300	x8569
915A	Garden implementation	900	x16281
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x353
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x1295
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x2704
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x2119
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x6886
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x4496
914B	Conan and Agasa play a Card Game games, greedy, implementation	1200	x9164
914A	Perfect Squares brute force, implementation, math	900	x16165
913H	Don't Exceed math, probabilities	3400	x308
913G	Power Substring math, number theory	3200	x302
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x856
913E	Logical Expression bitmasks, dp, shortest paths	2400	x936
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x5211
913C	Party Lemonade bitmasks, dp, greedy	1600	x8685
913B	Christmas Spruce implementation, trees	1200	x20306
913A	Modular Exponentiation implementation, math	900	x24939
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x2325
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2208
912C	Perun, Ult! brute force, greedy, sortings	2500	x626
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x14506
912A	Tricky Alchemy implementation	800	x14592
911G	Mass Change Queries data structures	2500	x4150
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x2450
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x3023
911D	Inversion Counting brute force, math	1800	x5235
911C	Three Garlands brute force, constructive algorithms	1400	x7386
911B	Two Cakes binary search, brute force, implementation	1200	x13043
911A	Nearest Minimums implementation	1100	x12545
910C	Minimum Sum constructive algorithms, greedy, math	1700	x2203
910B	Door Frames greedy, implementation	1600	x1911
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x15496
909F	AND-permutations constructive algorithms	2500	x702
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2629
909D	Colorful Points data structures, greedy, implementation	2100	x2220
909C	Python Indentation dp	1800	x5604
909B	Segments constructive algorithms, math	1300	x6860
909A	Generate Login brute force, greedy, sortings	1000	x10496
908H	New Year and Boolean Bridges	3100	x671
908G	New Year and Original Order dp, math	2800	x1803
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1677
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x880
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2838
908C	New Year and Curling brute force, geometry, implementation, math	1500	x7294
908B	New Year and Buggy Bot brute force, implementation	1200	x8133
908A	New Year and Counting Cards brute force, implementation	800	x16055
907B	Tic-Tac-Toe implementation	1400	x4429
907A	Masha and Bears brute force, implementation	1300	x6105
906E	Reverses dp, string suffix structures, strings	3300	x604
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2930
906C	Party bitmasks, brute force, dp, graphs	2400	x1600
906B	Seating of Students brute force, constructive algorithms, math	2200	x1375
906A	Shockers implementation, strings	1600	x4517
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x779
903F	Clear The Matrix bitmasks, dp	2200	x827
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1637
903D	Almost Difference data structures, math	2200	x5307
903C	Boxes Packing greedy	1200	x24155
903B	The Modcrab greedy, implementation	1200	x8205
903A	Hungry Student Problem greedy, implementation	900	x15762
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x12222
902A	Visiting a Friend greedy, implementation	1100	x10374
901E	Cyclic Cipher fft, math	3300	x108
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x699
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1356
901B	GCD of Polynomials constructive algorithms, math	2200	x1656
901A	Hashing Trees constructive algorithms, trees	1500	x5435
900E	Maximum Questions data structures, dp, strings	2100	x1469
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x4027
900C	Remove Extra One brute force, data structures, math	1700	x5142
900B	Position in Fraction math, number theory	1300	x8600
900A	Find Extra One geometry, implementation	800	x15249
899F	Letters Removing data structures, strings	2100	x2125
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3753
899D	Shovel Sale constructive algorithms, math	1800	x3293
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x9148
899B	Months and Years implementation	1200	x6586
899A	Splitting in Teams constructive algorithms, greedy, math	800	x11234
898F	Restoring the Expression brute force, hashing, math	2300	x1511
898E	Squares and not squares constructive algorithms, greedy	1600	x4926
898D	Alarm Clock greedy	1600	x4673
898C	Phone Numbers implementation, strings	1400	x5929
898B	Proper Nutrition brute force, implementation, number theory	1100	x10930
898A	Rounding implementation, math	800	x17839
897B	Chtholly's request brute force	1300	x7635
897A	Scarborough Fair implementation	800	x15287
896E	Welcome home, Chtholly data structures, dsu	3100	x2605
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x786
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x4792
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2373
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3939
895E	Eyes Closed data structures, probabilities	2300	x1328
895D	String Mark combinatorics, math, strings	2100	x1300
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x8084
895B	XK Segments binary search, math, sortings, two pointers	1700	x3857
895A	Pizza Separation brute force, implementation	1200	x7011
894E	Ralph and Mushrooms dp, graphs	2100	x3646
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1244

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