func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 1e5 + 5;   int x[maxn], y[maxn];   int main() {     int n, m;     cin >> n >> m;     for (int i = 1; i <= n; i++) {       cin >> x[i];     }     for (int i = 1; i <= m; i++) {       cin >> y[i];     }     int u = 0, d = 0, ans = 0;     int sumu = 0, sumd = 0;     while (u <= n && d <= m) {       if (sumu && sumu == sumd) {         ans++;         sumd = y[++d];         sumu = x[++u];       } else if (sumu > sumd) {         sumd += y[++d];       } else if (sumu <= sumd) {         sumu += x[++u];       }     }     cout << ans << endl;     return 0;   }   