C++ CODE TO REMOVE ALL 'x' CHARS AND COMPUTE THE NEW STRING

#include <iostream>
#include "solution.h"
using namespace std;

void removeX(char input[]) {
if(input[0] == '\0')
        return;
    if(input[0] != 'x')
    {
        removeX(input+1);
    }
    else{
        int i=1;
        for(;input[i]!='\0';i++)
        {
            input[i-1]=input[i];
        }
        input[i-1]=input[i];
        removeX(input);
    }
}

int main() {
    char input[100];
    cin.getline(input, 100);
    removeX(input);
    cout << input << endl;
}