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Remove Duplicate Characters from a String

Code

#include <stdio.h>
#include <stdint.h>
#include<string.h>
void remove_duplicates(char *str) {
	//Your logic here
     for(int i=0;i<strlen(str);i++){
        for(int j=i+1;j<strlen(str);j++){
            if(str[i]==str[j]){
                for(int k=j;k<strlen(str);k++){
                         str[k]=str[k+1];
                } 
            }           
        }
     }
    // printf("%s",str);
    }

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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Input

programming

Expected Output

progamin