View Code of Problem 77

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>

int main(){
	int a[4];
	int n;
	scanf("%d",&n);
	int i=0;
	while(n>0){
		a[i]=n%10;
		n/=10;
		i++;
	}
	for(int i=3;i>=0;i--){
		if(i==3){
			printf("%d",a[i]);
		}else
		printf(" %d",a[i]);
	}
}