fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin >> t;
  7. 	while(t--)
  8. 	{
  9. 		int n,a;
  10. 		cin >> n >> a;
  11. 		for(int i=0;i<a;i++)
  12. 		{
  13. 			cout << "1" ;
  14. 		}
  15. 		for(int i=0;i<n-a;i++)
  16. 		{
  17. 			cout << "0" ;
  18. 		}
  19. 		cout << endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
copy 
5
4 2
5 3
5 5
6 2
1 1
stdout
copy 
1100
11100
11111
110000
1
https://ideone.com/BOcRs8
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!