View Code of Problem 50

#include <stdio.h>
#include <string.h>
int main()
{
    char a[80],b[80]={};
    gets(a);
    int i,j=0,n;
    n=strlen(a);
    for(i=0;i<n;i++)
    {
        if(a[i]<'0'||a[i]>'9')
        {
              b[j]='*';
                if(a[i+1]>='0'&&a[i+1]<='9')
                {
                    j++;
                }
        }
        else
        {
            b[j]=a[i];
            j++;
        }
    }
    puts(b);
    return 0;
}