Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1909H	Parallel Swaps Sort constructive algorithms, data structures	3500	x71
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x73
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x74
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x78
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x79
1446E	Long Recovery constructive algorithms, dfs and similar	3500	x80
1276E	Four Stones constructive algorithms	3500	x82
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x88
1656I	Neighbour Ordering constructive algorithms, graphs	3500	x100
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x101
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x103
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x105
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x106
1827F	Copium Permutation constructive algorithms, data structures, greedy	3500	x114
1774H	Maximum Permutation constructive algorithms	3500	x132
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x137
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x142
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x147
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x148
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x176
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x191
1053E	Euler tour constructive algorithms, trees	3500	x198
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x218
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x222
1270I	Xor on Figures constructive algorithms, fft, math	3500	x233
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x331
1267C	Cactus Revenge constructive algorithms	3500	x379
1264F	Beautiful Fibonacci Problem constructive algorithms, number theory	3500	x903
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x60
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x72
1078E	Negative Time Summation constructive algorithms	3400	x87
1205F	Beauty of a Permutation constructive algorithms, math	3400	x122
1887F	Minimum Segments constructive algorithms	3400	x125
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x162
1684H	Hard Cut constructive algorithms, dfs and similar, divide and conquer, math	3400	x236
1827E	Bus Routes binary search, constructive algorithms, dfs and similar, greedy, trees	3400	x372
1710D	Recover the Tree constructive algorithms, trees	3400	x415
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x479
1912C	Cactus Transformation constructive algorithms	3300	x54
737F	Dirty plates constructive algorithms, math	3300	x70
1737F	Ela and Prime GCD constructive algorithms, math, number theory	3300	x122
1530G	What a Reversal constructive algorithms	3300	x143
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x147
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x149
1060H	Sophisticated Device constructive algorithms	3300	x212
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x261
1054G	New Road Network constructive algorithms, greedy, math	3300	x272
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x292
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x319
1237H	Balanced Reversals constructive algorithms	3300	x369
1375H	Set Merging constructive algorithms, divide and conquer	3300	x414
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x468
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x71
923F	Public Service constructive algorithms, graphs, trees	3200	x74
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x129
1242E	Planar Perimeter constructive algorithms, graphs	3200	x130
1267H	Help BerLine constructive algorithms	3200	x141
1045E	Ancient civilizations constructive algorithms, geometry	3200	x176
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x177
933E	A Preponderant Reunion constructive algorithms, dp	3200	x186
1984G	Magic Trick II constructive algorithms, implementation, sortings	3200	x201
1781G	Diverse Coloring constructive algorithms, trees	3200	x219
543E	Listening to Music constructive algorithms, data structures	3200	x286
1672G	Cross Xor constructive algorithms, graphs, math, matrices	3200	x319
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x325
1396E	Distance Matching constructive algorithms, dfs and similar, trees	3200	x347
1656G	Cycle Palindrome constructive algorithms, graphs, math	3200	x368
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x431
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x470
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x581
566E	Restoring Map bitmasks, constructive algorithms, trees	3200	x606
1025G	Company Acquisitions constructive algorithms, math	3200	x702
720C	Homework constructive algorithms	3100	x99
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x101
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x184
1965E	Connected Cubes constructive algorithms, games	3100	x218
331E2	Deja Vu constructive algorithms, dp	3100	x218
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x242
715D	Create a Maze constructive algorithms	3100	x250
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x256
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x274
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x289
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x331
1566G	Four Vertices constructive algorithms, data structures, graphs, greedy, implementation, shortest paths	3100	x339
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x344
1168E	Xor Permutations constructive algorithms, math	3100	x363
1329D	Dreamoon Likes Strings constructive algorithms, data structures	3100	x392
804E	The same permutation constructive algorithms	3100	x412
538G	Berserk Robot constructive algorithms, math, sortings	3100	x447
1119G	Get Ready for the Battle constructive algorithms, implementation	3100	x483
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x536
1110G	Tree-Tac-Toe constructive algorithms, games, trees	3100	x613
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x66
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x94
457E	Flow Optimality constructive algorithms, flows, math	3000	x95
1758F	Decent Division constructive algorithms, data structures	3000	x162
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x206
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x250
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x253

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