View Code of Problem 3857

#include<stdio.h>

int main(){
	int i,t,n,sum;

	scanf("%d",&t);	
	while(t--)	
	{
		int a[1000]={0};
		sum=0;
		scanf("%d",&n);
		for(i=0;i<n;i++)
		{
			scanf("%d",&a[i]);
		    if(a[i]==2)
				sum++;
		}
		if (t>0)
			printf("%d\n",sum);
		else
			printf("%d",sum);
	
	}
  return 0;	
}