#include <iostream>
using namespace std;
unsigned uTestNumber, uAmountNumber,Number;
int main()
{
cin >> uTestNumber;
if (1 < uTestNumber < 1000)
{
for (int i = 0; i < uTestNumber; ++i)
{
cin >> uAmountNumber;
int Sum = 0;
for (int j = 0; j < uAmountNumber; ++j)
{
cin >> Number;
Sum += Number;
}
cout << Sum << endl;
}
}
return 0;
}
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