View Code of Problem 50

#include<stdio.h>
#include<string.h>
int isWorld(char a){
  if(a>='0'&&a<='9')
    return 0;
  else return 1;
}
int main(){
  char str1[80],str2[80];
  int i,j=0,flag=1;
  gets(str1);
  for(i=0;i<strlen(str1);i++){
    if(flag&&isWorld(str1[i])){
      str2[j]='*';
        j++;
      flag=0;
    }
    if(str1[i]>='0'&&str1[i]<='9'){
      str2[j]=str1[i];
    flag=1;
    j++;
  }
  }
  puts(str2);
  return 0;
}

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