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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	ios_base::sync_with_stdio(false);
  6.     cin.tie(0);
  7.     cout.tie(0);
  8. 	int t,c=0;
  9. 	cin>>t;
  10. 	while(t--)
  11. 	{
  12. 		int x;
  13. 		long long y=0;
  14. 		cin>>x;
  15. 		for(int i=1;i<x;i++)
  16. 		{
  17. 			cout<<i<<" "<<y<<"\n";
  18. 			if(y==x)
  19. 			break;
  20. 			y+=i;
  21. 			c++;
  22. 		}
  23. 	}
  24. 	cout<<c;
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5516KB
comments (?)
stdin
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3
6
10
2
stdout
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1 0
2 1
3 3
4 6
1 0
2 1
3 3
4 6
5 10
1 0
8
https://ideone.com/74tplM
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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