leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

0357.cpp (258B)

0 class Solution { 1 public: 2 int countNumbersWithUniqueDigits(const int n) const { 3 if (n == 0) return 1; 4 5 int res = 10, acc = 9, crnt = 9; 6 for (int i = 2; i <= n; i++) 7 res += acc *= crnt--; 8 9 return res; 10 } 11 };