View Code of Problem 57

#include <stdio.h>
int main(){
	
  int n,i,j,p,q;
  scanf("%d",&n);
  for(i=0;i<n;i++){
  	for(j=0;j<n-i-1;j++)
          printf(" ");
          for(p=0;p<=i;p++)
            printf("%d",p+1);
          for(q=i;q>0;q--)
            printf("%d",q);
  
  }
  for(i=0;i<n-1;i++){
  	for(j=0;j<=i;j++)
          printf(" ");
    	for(p=0;p<n-i-1;p++)
          printf("%d",p+1);
    	for(q=n-i-1;q>1;q--)
          printf("%d",q-1);
      
  
  }




return 0;
}

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