94. Remove Duplicate Characters from a String

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Code

#include <stdio.h>
#include <stdint.h>
#include <string.h>
void remove_duplicates(char *str) {
	//Your logic here
    uint8_t sum = 0 ;
    for(int i = 0 ; *(str+i) != '\0' ; i++){
        for(int j = 0 ; j < i ; j++){
            if(*(str+j) == *(str+i)){
                int k ;
                for(k = i ; k < strlen(str) ; k++){
                    str[k] = str[k+1] ;
                }
                str[k] = '\0' ;
                i-- ;
                break ;
            }
        }
    }
}
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;
}

Solving Approach

 

 

 

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