c++
#include<iostream>
using namespace std;
int main()
{
int a, b, c, sum;
while (cin >> a)
{
for (int i = 0; i < a; i++)
{
cin >> b;
for (int j = 0; j < b; j++)
{
cin >> c;
sum += c;
}
cout << sum << endl;
sum = 0;
}
}
return 0;
}
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