View Code of Problem 3857

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