View Code of Problem 50

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


int main()
{
    char str1[100]={0};
    //char str2[100]={0};

    gets(str1);
    int s;
    s=strlen(str1);
    int i;
    for (i = 0; i < s; ++i)
    {
          if(str1[i]<'0'|| str1[i]>'9' )
          str1[i]='*';   
    
    }

       
        for (i = 0; i < s; ++i)
    {
         if((str1[i]=='*' && str1[i+1]!='*')||str1[i]!='*')
          //str2[i]=str1[i];
        printf("%c",str1[i]);  

    }
    
   printf("\n");
    return 0;
  }