functions cpp code example
Example 1: how to declare a function in c++
#include <iostream>
using namespace std;
int addition (int a, int b)
{
int r;
r=a+b;
return r;
}
Example 2: functions in C++
void Hello() {
std::cout << "Hello";
}
int main () {
Hello();
}
Example 3: function declerations in C++
#include <iostream>
#include <stdlib.h>
#include <iomanip>
#include <fstream>
using namespace std;
void function_one(double, double, double);
int main() {
double r1 = 1.0;
double r2 = 2.0;
double x = 0.0;
function_one(r1, r2, x);
return 0;
}
void function_one(double rmin, double rmax, double x0) {
cout << "Function got called" << endl;
}
Example 4: how to make a function in cpp
int max(int num1, int num2) {
int result;
if (num1 > num2)
result = num1;
else
result = num2;
return result;
}