Codeforces Round 865 (Div. 2) 1816A Ian Visits Mary Solution

 

Problem Link  : https://codeforces.com/contest/1816/problem/A

Solution in C++:

1. /// Author : AH_Tonmoy
2. #include <bits/stdc++.h>
3. using namespace std;
4. int32_t main() {
5. ios_base::sync_with_stdio(0);
6. cin.tie(0);
7. int t;
8. cin >> t;
9. while (t--) {
10. int a, b;
11. cin >> a >> b;
12. cout << "2" << endl;
13. cout << a - 1 << " "
14. << "1" << endl;
15. cout << a << " " << b << endl;
16. }
17. return 0;
18. }