What is the error?

Question

#include <iostream>
#include <math.h>
using namespace std;

int main() {
int arr[5];
for(int i=0;i<5;i++){
arr[i]=i;
}
int p;
p=arr[2]/2;
arr[2]= (arr[3])^(pow(2,p));
cout<<arr[2];
return 0;
}
Can anyone explain plz why this code gave error I was practicing a contest problem in between this error occurred.

Answer 1

Don't know what you're trying to do, but the issue is that binary operator between an int and a double.

All i did was cast int to the double. Is this the expected output? idk

https://code.sololearn.com/cKFc39HsLR6G/?ref=app