View Code of Problem 6

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
        for (int i = 0; i < t; i++) {
            int n = sc.nextInt();
            int a[] = new int[n];
            int max = 0;
            for (int j = 0; j < n; j++) {
                 int l = sc.nextInt();
                 int r = sc.nextInt();
                if (r-l > max)
                    max = r - l;
                a[j] = l;
            }
            for (int k = 0; k < n-1; k++) {
                    if (a[k] + max > a[k + 1])
                        System.out.println("NO");
                    else
                        System.out.println("YES");
                }
        }
    }
}