View Code of Problem 53

#include <stdio.h>
 
int main(){
    int i,j,k,n;
    scanf("%d",&n);
    for(i=0;i<n;i++){
    	for(j=0;j<n-i;j++)   	printf(" ");
    	for(k=0;k<2*i+1;k++) printf("*");
    	printf("\n");
	}
	for(i=n;i>=0;i--){
    	for(j=0;j<n-i;j++)   	printf(" ");
    	for(k=0;k<2*i+1;k++) printf("*");
    	printf("\n");
	}
    return 0;
}