func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 100010;   int v[N];   int n, k;   int main() {     scanf( %d %d , &n, &k);     n--;     for (int i = 1; i <= n; ++i) scanf( %d , v + i), v[i] += v[i - 1];     int ans = 0x3F3F3F3F;     for (int i = k; i <= n; ++i) ans = min(ans, v[i] - v[i - k]);     printf( %d n , ans);     return 0;   }   