Problemset - Codeforces

→ Pay attention

Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
8 days
Register now »

Before contest
Kotlin Heroes: Episode 10
23:49:36
Register now »

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
421A	Pasha and Hamsters constructive algorithms, implementation	800	x5773
417E	Square Table constructive algorithms, math, probabilities	2400	x779
417C	Football constructive algorithms, graphs, implementation	1400	x4608
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9643
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8685
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5701
401C	Team constructive algorithms, greedy, implementation	1400	x19276
398C	Tree and Array constructive algorithms		x207
398A	Cards constructive algorithms, implementation		x910
397B	On Corruption and Numbers constructive algorithms, implementation, math		x735
394C	Dominoes constructive algorithms, greedy		x511
390D	Inna and Sweet Matrix constructive algorithms		x505
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2433
379B	New Year Present constructive algorithms, implementation	1200	x7178
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x611
370C	Mittens constructive algorithms, greedy, sortings	1800	x1503
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6293
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x7883
361A	Levko and Table constructive algorithms, implementation	800	x16196
359E	Neatness constructive algorithms, dfs and similar	2400	x459
359B	Permutation constructive algorithms, dp, math	1400	x7723
359A	Table constructive algorithms, greedy, implementation	1000	x8379
358C	Dima and Containers constructive algorithms, greedy, implementation	2000	x1950
357B	Flag Day constructive algorithms, implementation	1400	x8042
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x936
356C	Compartments combinatorics, constructive algorithms, greedy, implementation	2100	x1229
355A	Vasya and Digital Root constructive algorithms, implementation	1100	x9264
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x871
353D	Queue constructive algorithms, dp	2000	x2727
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2175
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x750
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8779
341E	Candies Game constructive algorithms, greedy	3000	x428
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x538
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8136
335B	Palindrome constructive algorithms, dp	1900	x1969
335A	Banana binary search, constructive algorithms, greedy	1400	x2515
333C	Lucky Tickets brute force, constructive algorithms	2700	x374
331E2	Deja Vu constructive algorithms, dp	3100	x216
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x162
330B	Road Construction constructive algorithms, graphs	1300	x16364
329D	The Evil Temple and the Moving Rocks constructive algorithms	2500	x387
329C	Graph Reconstruction constructive algorithms	2400	x878
329A	Purification constructive algorithms, greedy	1500	x4593
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1348
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2219
323B	Tournament-graph constructive algorithms, graphs	2200	x364
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x719
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6791
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x152
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x490
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x163
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x540
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5522
311A	The Closest Pair constructive algorithms, implementation	1300	x3995
306D	Polygon constructive algorithms, geometry	2300	x260
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4622
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7700
301C	Yaroslav and Algorithm constructive algorithms	2500	x460
301A	Yaroslav and Sequence constructive algorithms	1800	x3042
300A	Array brute force, constructive algorithms, implementation	1100	x21904
297D	Color the Carpet constructive algorithms	2500	x497
297C	Splitting the Uniqueness constructive algorithms	2400	x927
297B	Fish Weight constructive algorithms, greedy	1600	x3442
297A	Parity Game constructive algorithms	1700	x3582
290E	HQ *special problem, constructive algorithms	2500	x195
286E	Ladies' Shop constructive algorithms, fft, math	2800	x818
286A	Lucky Permutation constructive algorithms, math	1400	x3104
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6482
282C	XOR and OR constructive algorithms, implementation, math	1500	x9125
277B	Set of Points constructive algorithms, geometry	2300	x781
275B	Convex Shape constructive algorithms, implementation	1700	x2784
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1171
271E	Three Horses constructive algorithms, math, number theory	2200	x478
271C	Secret constructive algorithms, implementation	1500	x2903
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1620
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13258
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1335
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x127011
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10604
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x759
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1312
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2927
254A	Cards with Numbers constructive algorithms, sortings	1200	x6847
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2604
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9053
245D	Restoring Table constructive algorithms, greedy	1500	x2225
241G	Challenging Balloons constructive algorithms	1900	x537
238B	Boring Partition constructive algorithms	1800	x1266
238A	Not Wool Sequences constructive algorithms, math	1300	x2008
234H	Merging Two Decks constructive algorithms, greedy	2000	x556
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1453
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x279
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2451
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3555
226D	The table constructive algorithms, greedy	2100	x946
225A	Dice Tower constructive algorithms, greedy	1100	x11102
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9425
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8918
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4885