Answer Posted / balaji ganesh

#include<stdio.h>
main()
{
char s[50];
int i=0,j;
printf("enter character string:");
while((s[i]=getchar())!='\n')
{
for(j=0;j<i;j++)
if(s[j]==s[i])
i--;
i++;
}
printf("after removing the duplicates the string is:");
for(j=0;j<i;j++)
printf("%c",s[j]);
}

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