Please tell me how to remove error

Question

#include <iostream>
using namespace std;
int func(int m=10,int n){
int c;
c=m+n;
return c;
}
int main() {
cout<<func(5);
return 0;
}

Answer 1

In line 3,
You have to declare constant at last, it is necessary to declare variables first in function parameters

Solved: int func(int n, int m = 10){