View Code of Problem 6

#include<stdio.h>
int main() {
    int T;
    int n, l, r, i, j=0, flag=0;
    int a[100000];
    scanf("%d", &T);
    scanf("%d", &n);
    while (T--) {
        flag = 0;
        for (i = 0;i < n;i++) {
            
            scanf("%d", &l);
            scanf("%d", &r);
            if (r - l == 1) {
                flag++;
            }

            
        }
        if (flag == n) {
            a[j] = 1;
        }
        else { a[j] = 0; }
        j++;
    }
    for (j = 0;j < n;j++)
        if (a[j] == 1) {
        printf("YES\n");
    }
        else {
            printf("NO\n");
        }

    return 0;
}