guys i am new to competative programming.when trying to solve a codechef problem i am getting time limit exceeded as a result.guys please tell me how can i optimize.

#include<iostream>
using namespace std;
int main()
{
	int T,N,timegiv,timereq,ans,i,j;
	scanf("%d",&T);
	while(T--)
	{
		scanf("%d",&N);
		for(int i=0;i<=N;i++){
	 		scanf("%d",&timegiv);
		}
		for(int j=0;j<=N;j++){
			scanf("%d",&timereq);
		}
		if(timereq<=timegiv){
			ans=++ans;
		}
	}
	printf("%d",ans);
	return 0;
}