Add and Subtract using a function in c++

WAP to add and subtract 2 numbers using function and display result inside function in c++

WAP to add and subtract 2 numbers without function

// WAP to add and subtract 2 numbers using function and display result inside function.

#include<iostream>
using namespace std;

void calculate(int, int);

int main() {
	int a, b;
	cout<<"Enter two numbers: \n";
	cin>>a>>b;
	calculate(a,b);
	return 0;
}

void calculate(int a, int b) {
	int add, sub;
	add = a + b;
	sub = a - b;
	cout<<"\nSum: "<<add;
	cout<<"\nSub: "<<sub;
}

Output

Enter two numbers:
5
3
Sum: 8
Sub: 2