URI -- 1609 (Counting Sheep)

Solution : 

	/// URI : 1609
	/// Author : Shohanur Rahaman
	#include<stdio.h>
	#include<stdlib.h>
	#include<string.h>
	int ara[10000];
	int main()
	{
	memset(ara,0,sizeof ara);
	int tc,n,i,j,tmp;
	scanf("%d",&tc);
	while(tc--){
	int tmp=0;
	scanf("%d",&n);
	for(i=0;i<n;i++){
	scanf("%d",&ara[i]); // 1 2 3 2 3 -- output--: 3
	tmp++;
	}
	int t=0;
	for(i=0;i<n;i++){
	t=ara[i]; // 1
	for(j=i+1;j<n;j++){
	if(t==ara[j]){
	tmp=tmp-1;
	break;
	}
	}
	}
	printf("%d\n",tmp);
	}
	return 0;
	}

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