poj2636

简单题

#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cstdio>
using namespace std;

int main()
{
    //freopen("D:\\t.txt", "r", stdin);
    int t;
    scanf("%d", &t);
    while (t--)
    {
        int n;
        scanf("%d", &n);
        int sum = 0;
        for (int i = 0; i < n; i++)
        {
            int a;
            scanf("%d", &a);
            sum += a;
        }
        printf("%d\n", sum - n + 1);
    }
    return 0;
}