View Code of Problem 57

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

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