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Posted by KatrineYang at 2016-11-06 14:01:01 on Problem 2636
#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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