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To Write a C program to remove the repeated characters in
the entered expression or in entered characters(i.e)
removing duplicates.

Answer Posted / anbu

/Made few corrections...

int remove_duplicates(char *str)
{
int char_check=0;
int i,j;
char ch;

char filterstr[256]; // new

if(str == NULL)
return 0;

/* check from 1st character in the string */
while(str[char_check]) {

ch = str[char_check];

i = j = char_check+1;

filterstr[0] = str[0]; // added

/* logic to remove the repeated character */
while(str[i]) {
if(str[i] != ch) {
filterstr[j] = str[i]; //modifid
j++;
}
i++;
}
filterstr[j]='\0'; //modified

str = filterstr; //added

char_check++;
}
printf("String after removing duplicates : %
s\n",filterstr);
return 1;
}

Is This Answer Correct ?    13 Yes 9 No



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