func_code_string: #include <bits/stdc++.h>   using namespace std;   long long T, n, s, sum;   inline int read() {     char ch = getchar();     int x = 0, f = 1;     while (ch <  0  || ch >  9 ) {       if (ch ==  - ) f = -1;       ch = getchar();     }     while ( 0  <= ch && ch <=  9 ) {       x = x * 10 + ch -  0 ;       ch = getchar();     }     return x * f;   }   int main() {     cin >> T;     while (T--) {       cin >> n;       sum = 0;       long long a[100010] = {0};       for (int i = 1; i <= n; i++) {         cin >> s;         a[i] += s;         if (a[i] > 0) a[i + 1] += a[i];         if (a[i] < 0) sum -= a[i];       }       cout << sum << endl;     }   }   