Problemset - Codeforces

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Codeforces Global Round 5
01:21:50

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divide and conquer

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Problems

#	Name
1043G	Speckled Band data structures, divide and conquer, hashing, string suffix structures, strings	3500	x47
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x54
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x57
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x28
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3300	x89
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x54
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x59
1019E	Raining season data structures, divide and conquer, trees	3200	x119
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3100	x37
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3100	x99
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x193
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3100	x232
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x660
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x107
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x127
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	3000	x136
364E	Empty Rectangles divide and conquer, two pointers	3000	x163
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x246
809E	Surprise me! divide and conquer, math, number theory, trees	3000	x260
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	2900	x126
793F	Julia the snail data structures, divide and conquer, dp	2900	x138
788D	Finding lines constructive algorithms, divide and conquer, interactive	2900	x139
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2900	x140
573D	Bear and Cavalry data structures, divide and conquer, dp	2900	x174
1004F	Sonya and Bitwise OR bitmasks, data structures, divide and conquer	2900	x184
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	2900	x219
232E	Quick Tortoise bitmasks, divide and conquer, dp	2900	x237
526F	Pudding Monsters data structures, divide and conquer	2900	x425
809C	Find a car combinatorics, divide and conquer, dp	2900	x426
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2800	x139
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x160
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2800	x161
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x164
1139F	Dish Shopping data structures, divide and conquer	2800	x167
512E	Fox And Polygon constructive algorithms, divide and conquer	2800	x182
997D	Cycles in product combinatorics, divide and conquer, trees	2800	x190
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2800	x237
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2800	x244
480E	Parking Lot data structures, divide and conquer	2800	x292
848C	Goodbye Souvenir data structures, divide and conquer	2800	x479
19E	Fairy dfs and similar, divide and conquer, dsu	2800	x642
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x643
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2800	x810
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2800	x856
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	2700	x67
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2700	x136
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2700	x218
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2700	x244
1140F	Extending Set of Points data structures, divide and conquer, dsu	2700	x296
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x297
549F	Yura and Developers data structures, divide and conquer	2700	x479
293E	Close Vertices data structures, divide and conquer, trees	2700	x539
383E	Vowels combinatorics, divide and conquer, dp	2700	x700
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2600	x117
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2600	x242
678F	Lena and Queries data structures, divide and conquer, geometry	2600	x277
500F	New Year Shopping divide and conquer, dp	2600	x348
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x426
452F	Permutation data structures, divide and conquer, hashing	2600	x435
1175F	The Number of Subpermutations brute force, data structures, divide and conquer, hashing, math	2600	x452
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2600	x546
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x777
786C	Till I Collapse data structures, divide and conquer	2600	x969
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x1582
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	2500	x110
1218E	Product Tuples divide and conquer, fft	2500	x142
217C	Formurosa divide and conquer, dp, expression parsing	2500	x246
1186E	Vus the Cossack and a Field divide and conquer, implementation, math	2500	x353
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2500	x359
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x653
1114F	Please, another Queries on Array? bitmasks, data structures, divide and conquer, math, number theory	2500	x815
632E	Thief in a Shop divide and conquer, dp, fft, math	2500	x964
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2500	x2651
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2400	x261
101E	Candies and Stones divide and conquer, dp	2400	x274
117D	Not Quick Transformation divide and conquer, math	2400	x277
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x372
161C	Abracadabra divide and conquer	2400	x409
1146E	Hot is Cold bitmasks, data structures, divide and conquer, implementation	2400	x476
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x580
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x591
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2400	x594
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x673
1041F	Ray in the tube data structures, divide and conquer, dp, math	2400	x854
1000F	One Occurrence data structures, divide and conquer	2400	x936
379F	New Year Tree data structures, divide and conquer, trees	2400	x1052
1156E	Special Segments of Permutation data structures, divide and conquer, dsu, two pointers	2400	x1151
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2400	x1468
97B	Superset constructive algorithms, divide and conquer	2300	x435
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2300	x657
627C	Package Delivery data structures, divide and conquer, greedy	2300	x802
1156D	0-1-Tree dfs and similar, divide and conquer, dp, dsu, trees	2300	x1392
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2300	x1699
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2200	x771
665E	Beautiful Subarrays data structures, divide and conquer	2200	x1029
1140E	Palindrome-less Arrays combinatorics, divide and conquer, dp	2200	x1115
1175E	Minimal Segment Cover data structures, dfs and similar, divide and conquer, dp, greedy, implementation, trees	2200	x1190
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x1191
1190D	Tokitsukaze and Strange Rectangle data structures, divide and conquer, sortings, two pointers	2200	x1376
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x1629

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