Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
00:16:25
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1111D	Destroy the Colony combinatorics, dp, math	2600	x946
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6159
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6213
1110H	Modest Substrings dp, strings	3500	x278
1110G	Tree-Tac-Toe constructive algorithms, games, trees	3100	x613
1110F	Nearest Leaf data structures, trees	2600	x1698
1110E	Magic Stones constructive algorithms, math, sortings	2200	x3887
1110D	Jongmah dp	2200	x3334
1109F	Sasha and Algorithm of Silence's Sounds data structures, trees	3200	x289
1109E	Sasha and a Very Easy Test data structures, number theory	2700	x498
1109D	Sasha and Interesting Fact from Graph Theory brute force, combinatorics, dp, math, trees	2400	x1276
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x249
1109B	Sasha and One More Name constructive algorithms, hashing, strings	1800	x4292
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x2794
1108E2	Array and Segments (Hard version) data structures, implementation	2100	x2148
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4454
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x1024
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x747
1107E	Vasya and Binary String dp	2400	x2229
1107D	Compression dp, implementation, math, number theory	1800	x3697
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x962
1106E	Lunar New Year and Red Envelopes data structures, dp	2100	x2511
1105E	Helping Hiasat bitmasks, brute force, dp, meet-in-the-middle	2200	x1614
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x4020
1103E	Radix sum fft, math, number theory	3400	x224
1103D	Professional layer bitmasks, dp	3100	x404
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2700	x795
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3240
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1951
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5782
1101G	(Zero XOR Subset)-less math, matrices	2300	x1652
1101F	Trucks and Cities binary search, dp	2400	x1299
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4495
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x2178
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2315
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x840
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x914
1098F	Ж-function string suffix structures, strings	3500	x218
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x220
1098D	Eels data structures	2800	x717
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x931
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1670
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x94
1097G	Vladislav and a Great Legend combinatorics, dp, trees	3000	x692
1097F	Alex and a TV Show bitmasks, combinatorics, number theory	2500	x1221
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x479
1097D	Makoto and a Blackboard dp, math, number theory, probabilities	2200	x2677
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1423
1096F	Inversion Expectation dp, math, probabilities	2300	x1621
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x938
1096D	Easy Problem dp	1800	x7790
1095F	Make It Connected dsu, graphs, greedy	1900	x5993
1095E	Almost Regular Bracket Sequence implementation	1900	x4059
1093G	Multidimensional Queries bitmasks, data structures	2300	x1851
1093F	Vasya and Array dp	2400	x988
1093E	Intersection of Permutations data structures	2400	x1554
1093D	Beautiful Graph dfs and similar, graphs	1700	x8691
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7606
1092E	Minimal Diameter Forest constructive algorithms, dfs and similar, greedy, trees	2000	x1666
1092D2	Great Vova Wall (Version 2) data structures, implementation	2200	x2921
1092D1	Great Vova Wall (Version 1) greedy, implementation, math	2200	x4591
1092C	Prefixes and Suffixes strings	1700	x5847
1091H	New Year and the Tricolore Recreation games	3200	x427
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x201
1091F	New Year and the Mallard Expedition constructive algorithms, greedy	2600	x797
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x989
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6665
1090L	Berland University greedy, math	2000	x1252
1090K	Right Expansion Of The Mind math	2000	x1058
1090J	Two Prefixes strings	2600	x423
1090I	Minimal Product	2000	x1033
1090H	Linearization graphs	2900	x90
1090G	Combostone games, implementation	2500	x105
1090F	How to Learn You Score constructive algorithms, interactive	2600	x315
1090E	Horseback Riding flows, graphs	2300	x584
1090D	Similar Arrays constructive algorithms	1800	x2001
1090C	New Year Presents constructive algorithms, data structures	2400	x487
1090B	LaTeX Expert	1900	x1385
1089M	Minegraphed constructive algorithms, graphs	2400	x586
1089K	King Kog's Reception data structures	2400	x1087
1089J	JS Minification greedy, implementation	3200	x121
1089I	Interval-Free Permutations combinatorics	2600	x370
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x110
1089F	Fractions math	1900	x1906
1089E	Easy Chess constructive algorithms	1700	x1962
1089D	Distance Sum graphs	3100	x99
1089C	Cactus Search interactive	2500	x404
1089B	Bimatching graphs	3200	x216
1089A	Alice the Fan dp	2200	x1114
1088F	Ehab and a weird weight formula data structures, trees	2800	x505
1088E	Ehab and a component choosing problem dp, greedy, math, trees	2400	x1417
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2796
1086F	Forest Fires math	3500	x231
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x511
1085F	Rock-Paper-Scissors Champion	2500	x580
1085E	Vasya and Templates greedy, implementation, strings	2300	x918
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5380
1083F	The Fair Nut and Amusing Xor data structures	3300	x270
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x4063
1083D	The Fair Nut's getting crazy data structures, implementation	3500	x234