#include "leetcode.h" #include class Solution { public: vector fact; string getPermutation(int n, int k) { int n = k - 1; } private: void helper(int k) { fact = vector(k); fact[0] = 1; if (k == 1) return; fact[1] = 1; for (int i = 2; i < k; i++) fact[i] = i * fact[i - 1]; } }; int main() { Solution obj; int n = 3, k = 3; cout << obj.getPermutation(n, k); }