fork download
copy 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. 	int t;cin>>t;
  7. 	while(t--)
  8. 	{
  9. 		int r,c,sr1,sr2;
  10. 		cin>>r>>c>>sr1>>sr2;
  11. 		int a[r][c];
  12. 		int a1[r],a2[r];
  13. 		for(int i=0;i<r;i++)
  14. 		{
  15. 			for(int j=0;j<c;j++)
  16. 			{
  17. 				cin>>a[i][j];
  18. 				if(i==sr1)
  19. 				{
  20. 					a2[j]=a[i][j];
  21. 				}
  22. 				if(i==sr2)
  23. 				{
  24. 					a1[j]=a[i][j];
  25. 				}
  26. 			}
  27. 		}
  28. 		for(int i=0;i<r;i++)
  29. 		{
  30. 			for(int j=0;j<c;j++)
  31. 			{
  32. 				if(i==sr1)
  33. 				{
  34. 					cout<<a1[j]<<" ";
  35. 				}
  36. 				else if(i==sr2)
  37. 				{
  38. 					cout<<a2[j]<<" ";
  39. 				}
  40. 				else
  41. 				{
  42. 					cout<<a[j]<<" ";
  43. 				}
  44. 			}
  45. 			cout<<"\n";
  46. 		}
  47. 		cout<<"\n";
  48. 	}
  49. 	return 0;
  50. }
Success #stdin #stdout 0.01s 5440KB
comments (?)
stdin
copy 
2
4 5 0 3
91 82 73 44 95
61 37 78 29 10
11 12 13 14 15
16 17 18 19 20
3 3 0 1
1 2 3
4 5 6
7 8 9
stdout
copy 
16 17 18 19 20 
0x7fff61ca2f90 0x7fff61ca2fa4 0x7fff61ca2fb8 0x7fff61ca2fcc 0x7fff61ca2fe0 
0x7fff61ca2f90 0x7fff61ca2fa4 0x7fff61ca2fb8 0x7fff61ca2fcc 0x7fff61ca2fe0 
91 82 73 44 16 

4 5 6 
1 2 3 
0x7fff61ca2fb0 0x7fff61ca2fbc 0x7fff61ca2fc8
https://ideone.com/ovXLIZ
language:
C++14 (gcc 8.3)
created:
2 years 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!