func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m, ans;   int x[100010], y[100010];   int main() {     scanf( %d%d , &n, &m);     for (int i = 1; i <= n; i++) {       scanf( %d , &x[i]);     }     for (int i = 1; i <= m; i++) {       scanf( %d , &y[i]);     }     long long sum1 = 0, sum2 = 0;     for (int r1 = 0, r2 = 0; r1 <= n, r2 <= m;) {       while (sum1 < sum2 || r1 == 0) {         r1++;         sum1 += x[r1];       }       while (sum1 > sum2 || r2 == 0) {         r2++;         sum2 += y[r2];       }       if (sum1 == sum2) {         ans++;         r1++;         r2++;         sum1 = x[r1];         sum2 = y[r2];       }     }     printf( %d , ans);     return 0;   }   