Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
04:06:54
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1073
440D	Berland Federalization dp, trees	2200	x646
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1511
438D	The Child and Sequence data structures, math	2300	x8126
432E	Square Tiling constructive algorithms, greedy	2300	x683
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x916
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2288
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2692
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x933
427D	Match & Catch dp, string suffix structures, strings	2200	x2129
425D	Sereja and Squares binary search, data structures, hashing	2300	x1416
425C	Sereja and Two Sequences data structures, dp	2300	x886
425B	Sereja and Table bitmasks, greedy	2200	x1284
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x558
420D	Cup Trick data structures	2200	x782
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x676
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2185
413E	Maze 2D data structures, divide and conquer	2200	x678
409G	On a plane *special problem, geometry	2200	x507
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1142
405E	Graph Cutting dfs and similar, graphs	2300	x1353
404E	Maze 1D binary search, greedy, implementation	2200	x571
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1077
402E	Strictly Positive Matrix graphs, math	2200	x2141
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x938
387E	George and Cards binary search, data structures	2200	x866
387D	George and Interesting Graph graph matchings	2200	x971
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x419
385E	Bear in the Field math, matrices	2300	x565
385D	Bear and Floodlight bitmasks, dp, geometry	2200	x802
383D	Antimatter dp	2300	x2941
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x657
377C	Captains Mode bitmasks, dp, games	2200	x1113
372C	Watching Fireworks is Fun data structures, dp, math	2100	x3950
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x622
369E	Valera and Queries binary search, data structures	2200	x2078
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1119
366E	Dima and Magic Guitar brute force, implementation, math	2200	x757
364C	Beautiful Set brute force, number theory	2300	x588
364B	Free Market dp, greedy	2200	x1153
362E	Petya and Pipes flows, graphs, shortest paths	2300	x802
362D	Fools and Foolproof Roads data structures, dfs and similar, dsu, graphs, greedy	2100	x917
358E	Dima and Kicks brute force, dsu, graphs, implementation	2300	x390
356C	Compartments combinatorics, constructive algorithms, greedy, implementation	2100	x1239
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x874
354C	Vasya and Beautiful Arrays brute force, dp, number theory	2100	x3022
353E	Antichain dp, graph matchings, greedy	2200	x577
351E	Jeff and Permutation greedy	2200	x1516
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x755
348B	Apple Tree dfs and similar, number theory, trees	2100	x2067
346C	Number Transformation II greedy, math	2200	x1428
345G	Suffix Subgroup *special problem, strings	2200	x54
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x78
345B	Triskaidekaphobia *special problem	2100	x124
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5622
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x492
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2050
337E	Divisor Tree brute force, number theory, trees	2200	x1013
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x939
335C	More Reclamation games	2100	x521
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2063
332C	Students' Revenge data structures, greedy, sortings	2200	x899
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1363
323B	Tournament-graph constructive algorithms, graphs	2200	x386
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x7001
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x5015
317D	Game with Powers dp, games	2300	x1031
316G2	Good Substrings string suffix structures	2200	x468
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x164
316F2	Suns and Rays	2300	x150
316F1	Suns and Rays dfs and similar, implementation	2200	x165
316E3	Summer Homework data structures, math	2300	x510
316E2	Summer Homework data structures, math	2300	x384
316D2	PE Lesson dp	2300	x441
316D1	PE Lesson brute force, dp	2300	x501
316C2	Tidying Up flows, graph matchings	2300	x620
316C1	Tidying Up flows	2200	x550
313E	Ilya and Two Numbers constructive algorithms, data structures, dsu, greedy	2300	x542
313D	Ilya and Roads dp	2100	x1447
311E	Biologist flows	2300	x1095
309B	Context Advertising dp, two pointers	2100	x707
306D	Polygon constructive algorithms, geometry	2300	x266
306C	White, Black and White Again combinatorics, number theory	2100	x471
306B	Optimizer data structures, greedy, sortings	2100	x440
305E	Playing with String games	2300	x609
305D	Olya and Graph combinatorics, math	2200	x503
301D	Yaroslav and Divisors data structures	2200	x2295
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2369
300E	Empire Strikes Back binary search, math, number theory	2300	x1029
300D	Painting Square dp, fft	2300	x743
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1669
294E	Shaass the Great dp, trees	2300	x920
286C	Main Sequence greedy, implementation	2100	x1478
286B	Shifting implementation	2200	x1110
283C	Coin Troubles dp	2100	x1418
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3506
282D	Yet Another Number Game dp, games	2100	x1395
280C	Game on Tree implementation, math, probabilities, trees	2200	x3747
279D	The Minimum Number of Variables bitmasks, dp	2200	x716
277B	Set of Points constructive algorithms, geometry	2300	x787