94. Remove Duplicate Characters from a String

#include <stdio.h>
#include <stdint.h>

void remove_duplicates(char *str) {
	//Your logic here
    int asciiVals[256] = {0};
    int read = 0; 
    int write = 0;

    while(*(str + read) != '\0')
    {
        char current = *(str + read);
        if (!asciiVals[current]) {
            asciiVals[current] = 1;
            *(str + write) = *(str + read);
            write++;
        }
        read++;
    }

    *(str + write) = '\0';
}

int main() {
    char str[101];
    fgets(str, sizeof(str), stdin);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') {
            str[i] = '\0';
            break;
        }
        i++;
    }

    remove_duplicates(str);
    printf("%s", str);
    return 0;
}