func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n;   vector<long long> a;   void solve() {     cin >> n;     a.resize(n);     for (long long i = 0; i < n; ++i) {       cin >> a[i];     }     long long ans = 0;     for (long long i = 0; i < n - 1; ++i) {       if (a[i] >= 0) {         a[i + 1] += a[i];         a[i] = 0;       } else {         a[n - 1] += a[i];         ans -= a[i];         a[i] = 0;       }     }     cout << ans;   }   signed main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     long long t = 1;     cin >> t;     for (long long i = 0; i < t; ++i) {       solve();       cout <<   n ;     }     return 0;   }   