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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. int r = 1 + (n-1)+(n+2);
  12. int c = n+2;
  13.  
  14. for(int k = 1; k <= (n+2); k++){
  15. 	print("e"+"*"*(n+2));
  16.  
  17. 	int numPrint = 0;
  18. 	double  med = (c+1)/2;
  19.  
  20. 	if(k == 1){
  21. 		numPrint = n+2;
  22. 	} else if( k == med ){
  23. 		numPrint = n;
  24. 	} else if( k == c){
  25. 		numPrint = n-1;
  26. 	}else{
  27. 		numPrint = 0;
  28. 	}
  29.  
  30. 	for(int i = 1; i<= r; i++){
  31. 		int spaceBefore = n-1;
  32. 		if (k == c){
  33. 			spaceBefore = 0;
  34. 		}
  35. 		int spaceAfter = c-numPrint;
  36. 		print(" "*spaceBefore+"e"+ "*"*numPrint + " "*spaceAfter);
  37.  
  38. 	}
  39.  
  40. }
  41.  
  42.  
  43. }
Success #stdin #stdout 1.19s 131628KB
comments ()
stdin
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Standard input is empty
stdout
copy 
e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
    e*******
e*******
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
e*******
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
e*******
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
    e*****  
e*******
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
e*******
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
    e       
e*******
e****   
e****   
e****   
e****   
e****   
e****   
e****   
e****   
e****   
e****   
e****   
e****
https://ideone.com/3Vry0o
language:
Dart (dart 2.3.0)
created:
3 days ago
visibility:
public

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