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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;//          12345
  5.           //          12 45
  6.         //            1   5
  7.     printf("Enter the number of rows: \n");
  8.     scanf("%d",&n);
  9.     int a=1;  
  10.     int nsc=n-1;
  11.     int nsp=1;
  12.  
  13.       for(int r=1;r<=2*n-1;r++)
  14.          printf("%d",a);
  15.       printf("\n");
  16.  
  17.     for(int i=1;i<=n;i++){
  18.  
  19.       for(int j=1;j<=nsc;j++)
  20.         printf("%d",j);
  21.          a++;
  22.  
  23.          for(int k=1;k<=nsp;k++)
  24.          printf(" ");
  25.          a++;
  26.  
  27.       for(int x=1;x<=nsc;x++)
  28.         printf("%d",a);
  29.          a++;
  30.  
  31.          nsc--;
  32.          nsp+=2;
  33.  
  34.     printf("\n");
  35.  
  36.     }
  37.  
  38. 	return 0;
  39. }
  40.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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5
stdout
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Enter the number of rows: 
111111111
1234 3333
123   666
12     99
1       12
https://ideone.com/DXGX1p
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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