Problemset - Codeforces

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Codeforces Round #726 (Div. 2)
30:40:26
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divide and conquer

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Problems

#	Name
1470F	Strange Covering divide and conquer	3500	x34
1423C	Dušan's Railway divide and conquer, graphs, trees	3500	x35
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x39
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x43
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x61
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x79
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x79
1043G	Speckled Band data structures, divide and conquer, hashing, string suffix structures, strings	3500	x91
1336F	Journey data structures, divide and conquer, graphs, trees	3500	x104
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x108
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x132
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x133
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x137
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x153
1523G	Try Booking data structures, divide and conquer	3200	x163
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x169
1261F	Xor-Set bitmasks, divide and conquer, math	3100	x171
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x176
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x178
1425B	Blue and Red of Our Faculty! divide and conquer, dp	2600	x181
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x185
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x185
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x192
1375H	Set Merging constructive algorithms, divide and conquer	3300	x194
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3200	x194
1019E	Raining season data structures, divide and conquer, trees	3200	x199
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x204
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x205
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x207
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x208
1379F2	Chess Strikes Back (hard version) data structures, divide and conquer	2800	x210
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x214
536E	Tavas on the Path data structures, divide and conquer, trees	3100	x227
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x228
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x229
1218E	Product Tuples divide and conquer, fft	2500	x234
364E	Empty Rectangles divide and conquer, two pointers	3000	x235
793F	Julia the snail data structures, divide and conquer, dp	3000	x237
1139F	Dish Shopping data structures, divide and conquer	2500	x244
217C	Formurosa divide and conquer, dp, expression parsing	2600	x259
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x263
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x270
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x282
997D	Cycles in product combinatorics, divide and conquer, trees	2900	x282
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x289
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2600	x291
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x294
117D	Not Quick Transformation divide and conquer, math	2500	x294
1004F	Sonya and Bitwise OR bitmasks, data structures, divide and conquer	2600	x307
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x307
101E	Candies and Stones divide and conquer, dp	2500	x308
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x310
1423H	Virus data structures, divide and conquer, dsu, graphs	2500	x315
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2500	x321
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x322
763E	Timofey and our friends animals data structures, divide and conquer, dsu	2900	x323
1371F	Raging Thunder data structures, divide and conquer, implementation	2800	x332
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x347
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x356
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x358
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x364
480E	Parking Lot data structures, divide and conquer	2800	x377
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x393
1303G	Sum of Prefix Sums data structures, divide and conquer, geometry, trees	2700	x396
413E	Maze 2D data structures, divide and conquer	2200	x401
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x403
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x413
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x420
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x426
1192B	Dynamic Diameter *special problem, data structures, dfs and similar, divide and conquer, trees		x433
500F	New Year Shopping divide and conquer, dp	2700	x442
1186E	Vus the Cossack and a Field divide and conquer, implementation, math	2500	x444
161C	Abracadabra divide and conquer	2400	x466
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x477
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x508
1373G	Pawns data structures, divide and conquer, greedy	2600	x522
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x535
809C	Find a car combinatorics, divide and conquer, dp	2600	x542
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x544
97B	Superset constructive algorithms, divide and conquer	2300	x560
452F	Permutation data structures, divide and conquer, hashing	2700	x583
549F	Yura and Developers data structures, divide and conquer	2800	x608
1146E	Hot is Cold bitmasks, data structures, divide and conquer, implementation	2400	x612
1466G	Song of the Sirens combinatorics, divide and conquer, hashing, math, string suffix structures, strings	2600	x620
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x659
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x704
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x725
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x725
1442D	Sum data structures, divide and conquer, dp, greedy	2800	x728
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x729
848C	Goodbye Souvenir data structures, divide and conquer	2600	x739
1175F	The Number of Subpermutations brute force, data structures, divide and conquer, hashing, math	2500	x772
293E	Close Vertices data structures, divide and conquer, trees	2700	x777
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x790
1418G	Three Occurrences data structures, divide and conquer, hashing, two pointers	2500	x834
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x855
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x860
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x864
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x876
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x893

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