Problemset - Codeforces

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Codeforces Round #645 (Div. 2)
10:21:55
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constructive algorithms

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Problems

#	Name
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x16
1276E	Four Stones constructive algorithms	3500	x23
1270I	Xor on Figures constructive algorithms, fft, math	3500	x59
1264F	Beautiful Fibonacci Problem constructive algorithms, number theory	3500	x71
1053E	Euler tour constructive algorithms, trees	3500	x93
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x99
1267C	Cactus Revenge constructive algorithms	3500	x326
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x30
1205F	Beauty of a Permutation constructive algorithms, math	3400	x43
1078E	Negative Time Summation constructive algorithms	3400	x47
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x244
737F	Dirty plates constructive algorithms, math	3300	x38
1060H	Sophisticated Device constructive algorithms	3300	x74
1054G	New Road Network constructive algorithms, greedy, math	3300	x79
1237H	Balanced Reversals constructive algorithms	3300	x84
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x96
923F	Public Service constructive algorithms, graphs, trees	3200	x37
1267H	Help BerLine constructive algorithms	3200	x40
1045E	Ancient civilizations constructive algorithms, geometry	3200	x47
1242E	Planar Perimeter constructive algorithms, graphs	3200	x50
933E	A Preponderant Reunion constructive algorithms, dp	3200	x100
543E	Listening to Music constructive algorithms, data structures	3200	x121
1025G	Company Acquisitions constructive algorithms, math	3200	x166
566E	Restoring Map bitmasks, constructive algorithms, trees	3200	x212
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x249
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x254
720C	Homework constructive algorithms	3100	x46
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x62
331E2	Deja Vu constructive algorithms, dp	3100	x75
1168E	Xor Permutations constructive algorithms, math	3100	x81
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x98
715D	Create a Maze constructive algorithms	3100	x135
1329D	Dreamoon Likes Strings constructive algorithms, data structures	3100	x140
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x155
1119G	Get Ready for the Battle constructive algorithms, implementation	3100	x163
804E	The same permutation constructive algorithms	3100	x205
538G	Berserk Robot constructive algorithms, math, sortings	3100	x205
1110G	Tree-Tac-Toe constructive algorithms, games, trees	3100	x236
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x19
457E	Flow Optimality constructive algorithms, flows, math	3000	x36
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x39
1063E	Lasers and Mirrors constructive algorithms, math	3000	x150
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x155
798E	Mike and code of a permutation constructive algorithms, data structures, graphs, sortings	3000	x191
341E	Candies Game constructive algorithms, greedy	3000	x219
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x258
618F	Double Knapsack constructive algorithms, two pointers	3000	x475
1019C	Sergey's problem constructive algorithms, graphs	3000	x556
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x63
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x134
815E	Karen and Neighborhood binary search, constructive algorithms, implementation	2900	x152
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x155
1288F	Red-Blue Graph constructive algorithms, flows	2900	x161
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x205
1172D	Nauuo and Portals constructive algorithms	2900	x270
48H	Black and White constructive algorithms	2800	x74
74E	Shift It! constructive algorithms	2800	x93
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x98
1267D	DevOps Best Practices constructive algorithms	2800	x129
1012D	AB-Strings constructive algorithms, strings	2800	x171
652F	Ants on a Circle constructive algorithms, math	2800	x187
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x199
819E	Mister B and Flight to the Moon constructive algorithms, graphs	2800	x208
1214H	Tiles Placement constructive algorithms, dfs and similar, trees	2800	x224
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x246
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x270
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x302
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x327
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x367
286E	Ladies' Shop constructive algorithms, fft, math	2800	x522
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x47
198D	Cube Snake constructive algorithms	2700	x62
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x187
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x240
1120B	Once in a casino constructive algorithms, greedy, implementation, math	2700	x241
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x243
333C	Lucky Tickets brute force, constructive algorithms	2700	x270
778D	Parquet Re-laying constructive algorithms	2700	x298
578E	Walking! constructive algorithms, greedy	2700	x328
1205D	Almost All constructive algorithms, trees	2700	x352
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x393
1338D	Nested Rubber Bands constructive algorithms, dfs and similar, dp, math, trees	2700	x399
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x420
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2700	x448
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x503
1148F	Foo Fighters bitmasks, constructive algorithms	2700	x518
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x744
1070L	Odd Federalization constructive algorithms	2600	x117
1090F	How to Learn You Score constructive algorithms, interactive	2600	x122
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x166
883B	Berland Army constructive algorithms, graphs, greedy	2600	x206
566B	Replicating Processes constructive algorithms, greedy	2600	x207
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x211
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x228
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x245
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x274
1031E	Triple Flips constructive algorithms	2600	x286
513D2	Constrained Tree constructive algorithms, data structures	2600	x297
925D	Aztec Catacombs constructive algorithms	2600	x356
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x374

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