View Code of Problem 50

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


int main()
{
    char str1[100];
    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",str2[i]);  

    }
    
        
  
    return 0;
  }

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