func_code_string: #include <bits/stdc++.h>   const int N = 1010;   double f[N][N];   bool vis[N][N];   inline double F(int m, int n) {     if (!m) return 1. / (n + 1);     if (!n) return 1;     if (vis[m][n]) return f[m][n];     vis[m][n] = true;     double p = 1 / (1 + (1. / ((n + 1) * F(n, m - 1))));     return f[m][n] = p * n / (n + 1) * (1 - F(n - 1, m)) + 1 - p;   }   int main() {     int m, n;     scanf( %d%d , &m, &n);     printf( %.11f %.11f n , F(m, n), 1 - F(m, n));     return 0;   }   