void shiftChars(char *str, int index){
while (str[index] != '\0'){
if (str[index] == ' '){//if the next character is also a space
shiftChars(str, index + 1);//skip that character using recursion
}
str[index - 1] = str[index];
index++;
}
str[index - 1] = '\0';
}
char removeSpaces(char *str) {
if (str == NULL)
return '\0';
int len;
for (len = 0; str[len] != '\0'; len++);
for (int i = 0; i < len; i++){
if (isSpace(str[i])){//checks if the character is space
shiftChars(str, i + 1);//shifts the characters
len--;
}
}
}
int main(){
char password[] = "31337haxsh33p666";
shiftChars(password);
}