func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, k;   long long s[211111], mx[211111];   int a[211111], bg[211111];   long long hf, ans;   int bhf, aa, bb;   int main() {     scanf( %d%d , &n, &k);     for (int i = 1; i <= n; ++i) {       scanf( %d , &a[i]);       s[i] = s[i - 1] + a[i];     }     for (int i = k; i <= n; ++i) {       if (s[i] - s[i - k] > mx[i - 1]) {         mx[i] = s[i] - s[i - k];         bg[i] = i - k + 1;       } else         mx[i] = mx[i - 1], bg[i] = bg[i - 1];     }     hf = 0;     for (int i = n - k + 1; i >= 1; --i) {       if (mx[i] + hf >= ans) {         long long tmp = ans;         ans = mx[i] + hf;         if (tmp < ans) aa = bg[i], bb = bhf;         if (bg[i] < aa || (bg[i] == aa && bhf < bb)) {           aa = bg[i], bb = bhf;         }       }       if (s[i + k - 1] - s[i - 1] >= hf) {         hf = s[i + k - 1] - s[i - 1];         bhf = i;       }     }     cout << aa <<     << bb << endl;   }   