Set 14
Combinatorics & Modular Math
Seven problems, ramping from Very Easy to Extreme.
Progress · 0/7 solved
- VERY EASYQ1Factorial Mod P
- EASYQ2nCr Mod P
- MEDIUMQ3Count Arrangements with Repetition
- MEDIUM-HARDQ4Modular Exponentiation
- HARDQ5Number of Ways to Tile a 2×N Board with 1×2 Dominoes, Modulo P
- VERY HARDQ6Catalan Number Application — Valid Parenthesizations
- EXTREMEQ7Derangements Count (no fixed points), mod P