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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.     int min;
  8.      for(int i=1;i<=2*n-1;i++){
  9.          for(int j=1;j<=2*n-1;j++){
  10.  
  11.               int a=i;
  12.             if(i>n) a= 2*n-i;
  13.               int b=j;
  14.             if(b>n) b= 2*n-j;
  15.      if(a<b) min = a;
  16.    else min = b;
  17.               printf(" %d ",min);
  18.  
  19.            }
  20.  
  21.            printf("\n"); 
  22.  
  23.     }
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5320KB
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stdin
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9
stdout
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Enter the number of rows: 
 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 
 1  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  1 
 1  2  3  3  3  3  3  3  3  3  3  3  3  3  3  2  1 
 1  2  3  4  4  4  4  4  4  4  4  4  4  4  3  2  1 
 1  2  3  4  5  5  5  5  5  5  5  5  5  4  3  2  1 
 1  2  3  4  5  6  6  6  6  6  6  6  5  4  3  2  1 
 1  2  3  4  5  6  7  7  7  7  7  6  5  4  3  2  1 
 1  2  3  4  5  6  7  8  8  8  7  6  5  4  3  2  1 
 1  2  3  4  5  6  7  8  9  8  7  6  5  4  3  2  1 
 1  2  3  4  5  6  7  8  8  8  7  6  5  4  3  2  1 
 1  2  3  4  5  6  7  7  7  7  7  6  5  4  3  2  1 
 1  2  3  4  5  6  6  6  6  6  6  6  5  4  3  2  1 
 1  2  3  4  5  5  5  5  5  5  5  5  5  4  3  2  1 
 1  2  3  4  4  4  4  4  4  4  4  4  4  4  3  2  1 
 1  2  3  3  3  3  3  3  3  3  3  3  3  3  3  2  1 
 1  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  1 
 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
https://ideone.com/53MWxa
language:
C (gcc 8.3)
created:
18 days ago
visibility:
public

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