Problemset - Codeforces

→ Pay attention

Contest is running
Kotlin Heroes: Practice 10
14:23:47
Register now »

Before contest
Kotlin Heroes: Episode 10
15:23:47
Register now »

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
1663G	Six Characters *special problem, constructive algorithms, strings		x204
290E	HQ *special problem, constructive algorithms	2500	x195
1053E	Euler tour constructive algorithms, trees	3500	x194
933E	A Preponderant Reunion constructive algorithms, dp	3200	x185
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x183
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x182
98D	Help Monks constructive algorithms	2500	x179
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x178
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x177
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x174
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x170
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x170
1965E	Connected Cubes constructive algorithms, games	3100	x169
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x163
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x162
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x157
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x157
1758F	Decent Division constructive algorithms, data structures	3000	x154
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x152
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x147
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x144
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x143
1302B	DAG constructive algorithms		x143
74E	Shift It! constructive algorithms	2800	x142
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x134
1530G	What a Reversal constructive algorithms	3300	x133
48H	Black and White constructive algorithms	2800	x133
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x129
1774H	Maximum Permutation constructive algorithms	3500	x129
1242E	Planar Perimeter constructive algorithms, graphs	3200	x128
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x128
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x124
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x123
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x122
1205F	Beauty of a Permutation constructive algorithms, math	3400	x121
1045E	Ancient civilizations constructive algorithms, geometry	3200	x119
1737F	Ela and Prime GCD constructive algorithms, math, number theory	3300	x117
1887F	Minimum Segments constructive algorithms	3400	x112
1827F	Copium Permutation constructive algorithms, data structures, greedy	3500	x107
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x104
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x104
198D	Cube Snake constructive algorithms	2700	x104
1970D2	Arithmancy (Medium) constructive algorithms, interactive, probabilities, strings	2600	x102
1267H	Help BerLine constructive algorithms	3200	x101
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x99
1773J	Jumbled Trees constructive algorithms, math	2900	x98
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x97
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x97
720C	Homework constructive algorithms	3100	x97
1656I	Neighbour Ordering constructive algorithms, graphs	3500	x96
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x87
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x86
1078E	Negative Time Summation constructive algorithms	3400	x86
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x85
457E	Flow Optimality constructive algorithms, flows, math	3000	x81
1940A	Parallel Universes *special problem, constructive algorithms, dfs and similar, dsu, graphs		x80
1276E	Four Stones constructive algorithms	3500	x80
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x78
1446E	Long Recovery constructive algorithms, dfs and similar	3500	x76
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x73
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x72
923F	Public Service constructive algorithms, graphs, trees	3200	x72
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x70
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x70
737F	Dirty plates constructive algorithms, math	3300	x69
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x64
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x64
1909H	Parallel Swaps Sort constructive algorithms, data structures	3500	x61
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x58
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x47
1912C	Cactus Transformation constructive algorithms	3300	x45
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x43
1170H	Longest Saw *special problem, constructive algorithms		x43
1193C	Scissors and Tape *special problem, constructive algorithms, geometry		x35
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x14

→