Problemset - Codeforces

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Codeforces Round #661 (Div. 3)
20:38:44
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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	x70
1336F	Journey data structures, divide and conquer, graphs, trees	3500	x79
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x79
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x88
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x115
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x127
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x161
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x33
1375H	Set Merging constructive algorithms, divide and conquer	3300	x106
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x67
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x72
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3200	x134
1019E	Raining season data structures, divide and conquer, trees	3200	x164
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x313
1261F	Xor-Set bitmasks, divide and conquer, math	3100	x141
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x211
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x324
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x858
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x40
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x98
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x133
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x151
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x158
793F	Julia the snail data structures, divide and conquer, dp	3000	x170
364E	Empty Rectangles divide and conquer, two pointers	3000	x190
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x191
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x277
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x290
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x306
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x370
526F	Pudding Monsters data structures, divide and conquer	3000	x674
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x153
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x206
997D	Cycles in product combinatorics, divide and conquer, trees	2900	x231
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2900	x285
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x298
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x757
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x97
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x99
1379F2	Chess Strikes Back (hard version) data structures, divide and conquer	2800	x128
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x153
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x190
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x224
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x258
1371F	Raging Thunder data structures, divide and conquer, implementation	2800	x268
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x268
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x275
480E	Parking Lot data structures, divide and conquer	2800	x316
549F	Yura and Developers data structures, divide and conquer	2800	x529
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x927
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x163
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x204
1303G	Sum of Prefix Sums data structures, divide and conquer, geometry, trees	2700	x298
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x332
500F	New Year Shopping divide and conquer, dp	2700	x399
452F	Permutation data structures, divide and conquer, hashing	2700	x482
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x588
293E	Close Vertices data structures, divide and conquer, trees	2700	x642
383E	Vowels combinatorics, divide and conquer, dp	2700	x975
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2700	x993
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x169
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2600	x239
1004F	Sonya and Bitwise OR bitmasks, data structures, divide and conquer	2600	x241
217C	Formurosa divide and conquer, dp, expression parsing	2600	x253
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x334
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x379
1373G	Pawns data structures, divide and conquer, greedy	2600	x417
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x456
809C	Find a car combinatorics, divide and conquer, dp	2600	x467
848C	Goodbye Souvenir data structures, divide and conquer	2600	x610
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x622
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x853
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x989
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x1987
1139F	Dish Shopping data structures, divide and conquer	2500	x196
1218E	Product Tuples divide and conquer, fft	2500	x214
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x259
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x284
117D	Not Quick Transformation divide and conquer, math	2500	x285
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2500	x286
101E	Candies and Stones divide and conquer, dp	2500	x292
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x344
1186E	Vus the Cossack and a Field divide and conquer, implementation, math	2500	x406
1175F	The Number of Subpermutations brute force, data structures, divide and conquer, hashing, math	2500	x594
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x659
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x933
1041F	Ray in the tube data structures, divide and conquer, dp, math	2500	x959
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x174
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x432
161C	Abracadabra divide and conquer	2400	x432
1146E	Hot is Cold bitmasks, data structures, divide and conquer, implementation	2400	x538
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x680
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x747
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x780
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x807
1114F	Please, another Queries on Array? bitmasks, data structures, divide and conquer, math, number theory	2400	x965
786C	Till I Collapse data structures, divide and conquer	2400	x1182
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x1201
1000F	One Occurrence data structures, divide and conquer	2400	x1207
379F	New Year Tree data structures, divide and conquer, trees	2400	x1229

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