Practice Problems

Daily Challenge: Paths Around the Walls (1500) Solve it to start a streak

combinatorics Problems

93 practice problems tagged combinatorics , from difficulty 1100 to 2400 — solve them in our in-browser judge with instant verdicts. Browse all problems.

Related: matrix-exponentiation kmp aho-corasick math dp number-theory graphs digit-dp

ProblemTopics Solvers Acceptance Difficulty
Strings Avoiding 000 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 111 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 222 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 1011 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 0100 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 102 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 210 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 112 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 00110 combinatorics kmp matrix-exponentiation 0 — 2100
Strings Avoiding 10101 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 101 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 001 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 100 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 110 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 1001 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 0111 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 1000 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 0011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 1101 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 00100 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 11011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 01001 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 10110 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 000111 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 01011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 10100 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 11000 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 00011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 01101 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 10011 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 11100 combinatorics kmp matrix-exponentiation 0 — 2100
Binary Strings Avoiding 00111 combinatorics kmp matrix-exponentiation 0 — 2100
Counting Necklaces combinatorics number-theory 0 — 2200
Avoid the Set {00, 11} combinatorics aho-corasick matrix-exponentiation 5
100%
2400
Avoid the Set {010, 101} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {000, 111} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {11, 010} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {00, 11, 22} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {012, 210} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {00, 12} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {aa, bab} combinatorics aho-corasick matrix-exponentiation 0 — 2400
Avoid the Set {ab, bc, ca} combinatorics aho-corasick matrix-exponentiation 0 — 2400