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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=n-1;
  9.     int nsp=1;
  10.  
  11.       for(int r=1;r<=n;r++)
  12.          printf("*");
  13.  
  14.     for(int i=1;i<=n;i++){
  15.  
  16.       for(int j=1;j<=nst;j++)
  17.         printf("*");
  18.  
  19.        for(int k=1;k<=nsp;k++)
  20.         printf(" ");
  21.  
  22.       for(int j=1;j<=nst;j++)
  23.         printf("*");
  24.  
  25.          nst--;
  26.          nsp+=2;
  27.  
  28.     printf("\n");
  29.  
  30.     }
  31.  
  32. 	return 0;
  33. }
  34.  
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/RlWnwK
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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