Help me in solving CPPFALL76 problem

My issue

Task
You are given two variables height1 and height2 - use relation operators to output
0
0(false) if they are equal else output
1
1(true).

solution :
include <bits/stdc++.h>
using namespace std;

int main() {
int height1 = 15;
int height2 = 13;
cout<<(bool(height1 == height2));
}

what is wrong with the above solution can u please explain

My code

#include <bits/stdc++.h>
using namespace std;

int main() {
    int height1 = 15;
    int height2 = 13;
    cout<<(bool(height1 == height2));
}

Learning course: Learn Programming and Problem Solving using C++
Problem Link: https://www.codechef.com/learn/course/sit-cpp-fall/SITFALL13/problems/CPPFALL76