Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
09:55:15
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x808
627C	Package Delivery data structures, divide and conquer, greedy	2200	x1158
627B	Factory Repairs data structures	1700	x2734
627A	XOR Equation dp, math	1700	x4044
626G	Raffles data structures, dp, greedy, math	3100	x522
626F	Group Projects dp	2400	x2733
626E	Simple Skewness binary search, math, ternary search	2400	x1308
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2693
625E	Frog Fights data structures, greedy	2800	x326
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x626
625A	Guest From the Past implementation, math	1700	x5368
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x543
623D	Birthday greedy, math, probabilities	2700	x471
623C	Electric Charges binary search, dp	2900	x450
623B	Array GCD dp, greedy, number theory	2300	x2059
623A	Graph and String constructive algorithms, graphs	1800	x4409
622F	The Sum of the k-th Powers math	2600	x3608
622E	Ants in Leaves dfs and similar, greedy, sortings, trees	2200	x2019
622D	Optimal Number Permutation constructive algorithms	1900	x2905
622C	Not Equal on a Segment data structures, implementation	1700	x6315
621E	Wet Shark and Blocks dp, matrices	2000	x2759
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x968
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5382
620F	Xors on Segments data structures, strings, trees	2800	x716
620E	New Year Tree bitmasks, data structures, trees	2100	x5365
620D	Professor GukiZ and Two Arrays binary search, two pointers	2200	x1668
618G	Combining Slimes dp, math, matrices, probabilities	3300	x232
618F	Double Knapsack constructive algorithms, two pointers	3000	x1340
618E	Robot Arm data structures, geometry	2500	x587
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1700
617E	XOR and Favorite Number data structures	2200	x8072
617D	Polyline constructive algorithms, implementation	1700	x4178
616F	Expensive Strings string suffix structures, strings	2700	x573
616E	Sum of Remainders implementation, math, number theory	2200	x2780
615E	Hexagons binary search, implementation, math	2100	x968
615D	Multipliers math, number theory	2000	x3842
615C	Running Track dp, greedy, strings, trees	2000	x2261
613E	Puzzle Lover dp, hashing, strings	3200	x457
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2796
613C	Necklace constructive algorithms, math	2500	x991
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2181
613A	Peter and Snow Blower binary search, geometry, ternary search	1900	x3197
612F	Simba on the Circle dp	2600	x377
612E	Square Root of Permutation combinatorics, constructive algorithms, dfs and similar, graphs, math	2200	x1620
612D	The Union of k-Segments greedy, sortings	1800	x3748
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x580
611G	New Year and Cake geometry, two pointers	2900	x430
611F	New Year and Cleaning binary search, implementation	2500	x462
611E	New Year and Three Musketeers data structures, greedy, sortings	2400	x861
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2565
610E	Alphabet Permutations data structures, strings	2500	x859
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1463
610C	Harmony Analysis constructive algorithms	1800	x2810
609F	Frogs and mosquitoes data structures, greedy	2500	x1217
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x7392
609D	Gadgets for dollars and pounds binary search, greedy, two pointers	2000	x2644
607E	Cross Sum binary search, geometry	3300	x250
607D	Power Tree data structures, trees	2600	x563
607C	Marbles hashing, strings	2500	x782
607B	Zuma dp	1900	x11408
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1357
605D	Board Game data structures, dfs and similar	2500	x795
605C	Freelancer's Dreams geometry	2400	x1101
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3405
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x1206
603D	Ruminations on Ruminants geometry, math	2900	x340
603C	Lieges of Legendre games, math	2200	x1815
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2551
601E	A Museum Robbery data structures, dp	2800	x848
601D	Acyclic Organic Compounds data structures, dfs and similar, dsu, hashing, strings, trees	2400	x1100
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1294
601B	Lipshitz Sequence data structures, math	2100	x2269
600F	Edge coloring of bipartite graph graphs	2800	x756
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x13047
600D	Area of Two Circles' Intersection geometry	2000	x2192
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x5954
599E	Sandy and Nuts bitmasks, dp, trees	2600	x627
599D	Spongebob and Squares brute force, math	1900	x2541
598F	Cut Length geometry	2900	x362
598E	Chocolate Bar brute force, dp	2000	x4748
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10753
598C	Nearest vectors geometry, sortings	2300	x4238
597C	Subsequences data structures, dp	1900	x4734
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2500	x390
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x680
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2242
594E	Cutting the Line string suffix structures, strings	3100	x158
594D	REQ data structures, number theory	2500	x1565
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x677
594B	Max and Bike binary search, geometry	2500	x490
594A	Warrior and Archer games	2300	x1698
593E	Strange Calculation and Cats dp, matrices	2400	x586
593D	Happy Tree Party data structures, dfs and similar, graphs, math, trees	2400	x1216
593C	Beautiful Function constructive algorithms, math	2200	x279
592E	BCPC binary search, geometry, two pointers	2700	x213
592D	Super M dfs and similar, dp, graphs, trees	2200	x2552
592C	The Big Race math	1800	x3052
590E	Birthday graph matchings, strings	3200	x760
590D	Top Secret Task dp	2300	x1153
590C	Three States dfs and similar, graphs, shortest paths	2200	x2707