View Code of Problem 6

#include<stdio.h>
int main()
{
	int k,T;
	for(k=0;k<T;k++)
	{
		int i,n,r[50],l[50];
		scanf("%d",&n);
		for(i=0;i<n;i++)
		{
			scanf("%d%d",&l[i],&r[i]);
		}
		for(i=0;i<n;i++)
		{
			if((r[i]-l[i])==(r[i+1]-l[i+1]))
			{
				printf("YES\n");
			}
		}
		for(i=0;i<n;i++)
		{
			if((r[i]-l[i])!=(r[i+1]-l[i+1]))
			{
				printf("NO\n");
			}
		}
	}
	
	return 0;
}