View Code of Problem 6

#include <stdio.h>
int main()
{
    int n,T,i,j;
    float a[1000],b[1000];
    scanf("%d",&T);
    for(i=0;i<T;i++)
    {
        scanf("%d",&n);
        for(j=0;j<n;j++)
            scanf("%f%f",&a[j],&b[j]);
            for(j=1;j<n;j++)
            {
                if(a[j]+b[j-1]-a[j-1]<b[j])
                    {printf("NO\n");break;}
                else
                    {printf("YES\n");break;}
            }
    }
    return 0;
}

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