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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int n;
  7. 	cout<<"enter a number:"<<endl;
  8. 	cin>>n;
  9. 	for(int i=1;i<=n;i++){
  10. 		for(int j=0;j<i;j++){
  11. 			if(i==1)
  12. 			  cout<<i<<endl;
  13. 			else{
  14. 				if(j<i-1)
  15. 				  cout<<i<<"*";
  16. 				else
  17. 				  cout<<i<<endl;
  18. 			}  
  19. 		}
  20. 	 cout<<endl;
  21. 	}
  22.  
  23. 	for(int i=n-1;i>0;i--){
  24. 		for(int j=0;j<i;j++){
  25. 			if(i==1)
  26. 			 cout<<i<<endl;
  27. 			else{
  28. 			 if(j<i-1)
  29. 			   cout<<i<<"*";
  30. 			 else
  31. 			   cout<<i<<endl;
  32. 			} 
  33. 		}
  34. 		cout<<endl;
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 4476KB
comments (?)
stdin
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3
stdout
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enter a number:
1

2*2

3*3*3

2*2

1
https://ideone.com/seHBXI
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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