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  1. import 'dart:io';
  2.  
  3. void main() {
  4.  
  5. int n = 5;
  6. if(n%2 == 0 || n < 3){
  7. print("n is even: $n");
  8. return;
  9. }
  10.  
  11. for(int k = 1; k <= (n+2); k++){
  12. 	print("e"+"*"*(n+2));
  13.  
  14. 	int numPrint = 0;
  15. 	double  med = (n+1)/2;
  16.  
  17. 	if(k == 1){
  18. 		numPrint = n+2;
  19. 	} else if( k == med ){
  20. 		numPrint = n;
  21. 	} else if( k == (n+2)){
  22. 		numPrint = n-1;
  23. 	}else{
  24. 		numPrint = 0;
  25. 	}
  26.  
  27. 	if(k<(n+2)){
  28. 		print("e"+"*"*numPrint);
  29. 	}else{
  30. 		print("*"*numPrint+"e");
  31. 	}
  32.  
  33. }
  34.  
  35.  
  36. }
Success #stdin #stdout 1.22s 132012KB
comments ()
stdin
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Standard input is empty
stdout
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e*******
e*******
e*******
e
e*******
e*****
e*******
e
e*******
e
e*******
e
e*******
****e
https://ideone.com/UmaBxx
language:
Dart (dart 2.3.0)
created:
3 days ago
visibility:
public

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