View Code of Problem 3857

#include<stdio.h>
#include<stdlib.h> 
int main()
{
	int i,t,n,count,a[1000];
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d",&n);
		count=0;
		for(i=0;i<n;i++)
		{
			scanf("%d",&a[i]);
			if(a[i]==2)
			{
				count++;
			}
		}
	 printf("%d\n",count);
		
	}
	return 0;
}