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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5.     printf("Enter the number of rows: \n");
  6.     scanf("%d",&n);
  7.  
  8.     int nst=1;
  9.     int nsp=n/2;
  10.     int ml=n/2+1;
  11.  
  12.     for(int i=1;i<=n;i++){
  13.  
  14.       for(int j=1;j<=ml-1;j++){
  15.         printf("   ");
  16.       }
  17.  
  18.       for(int k=1;k<=nst;k++){
  19.         printf(" * ");
  20.        }
  21.  
  22.       if(i<ml){
  23.       nst+=2;
  24.       nsp--;
  25.       }
  26.  
  27.       else{
  28.       nst-=2;
  29.       nsp++;
  30.       }
  31.  
  32.     printf("\n");
  33.  
  34.     }
  35.  
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0.01s 5292KB
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stdin
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5
stdout
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Enter the number of rows: 
       * 
       *  *  * 
       *  *  *  *  * 
       *  *  * 
       *
https://ideone.com/D22efd
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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