#include <stdio.h>
#include <stdint.h>
void remove_duplicates(char *str) {
int count = 0;
char* selector = str;
str++;
while(*selector != '\0'){
while(*str != '\0'){
if(*selector == *str){
*str = *(str + 1);
count++;
}
str++;
if(count > 1){
*str = *(str + 1);
str = selector + 1;
count = 0;
}
}
selector++;
str = selector + 1;
count = 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;
}
Input
programming
Expected Output
progamin