can u make me simple a sample of this program?? plz. Need help

Question

#include <iostream>
using namespace std;
int sum(int a,int b=20)
{
int result;
result= a + b;
return(result)
}
int main()
{
int a=100;
int b=200;
int result;
result= sum(a, b);
cout<<"Total value is:"<<result<<endl;
result= sum(a);
cout<<"Total value is:"<<result<<endl;
return 0;
}

Answer 1

#include <iostream>
using namespace std;
int sum(int a,int b=20)
{
return(a+b);
}
int main()
{
cout<<"Total value is:"<<sum(100, 200)<<endl;
cout<<"Total value is:"<<sum(100)<<endl;
return 0;
}

I Hope that'll work

Answer 2

it's correct ma dear

Answer 3

Tnx. U much😉