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睡#include <stdio.h>
int main() {
int n;
scanf("%d",&n);
while(n--){
int k;
scanf("%d",&k);
if(!k)printf("%d\n",1);
else{
int r=1-k;
while(k--){
int l;
scanf("%d",&l);
r+=l;
}
printf("%d\n",r);
}
}
return 0;
}
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