int doSomething(int val);
int doSomething(float val);

int doSomething(int val) { return val * 2; }
float doSomething(float val) { return val * 2; }

average.cpp: In function ‘int main()’:
average.cpp:21:15: warning: overflow in implicit constant conversion [-Woverflow]
  long long1 = 9876543210;
               ^

#include <iostream>

int average(int int0, int int1)
{
	return (int0* int1) / 2;
}
long average(long long0, long long1)
{
	return (long0 * long1) / 2;
}
float average(float float0, float float1)
{
	return (float0 * float1) / 2;
}

int main()
{
	int int0 = 2;
	int int1 = 10;
	long long0 = 1234567890;
	long long1 = 9876543210;
	float float0 = 3.14;
	float float1 = 4.2;

	std::cout << "Average int: ";
	std::cout << average(int0, int1) << std::endl;
	std::cout << "Average long: ";
	std::cout << average(long0, long1) << std::endl;

-9223372036854775808 / 9223372036854775807

import sleep

-2147483648 / 2147483647

from sleep import override_sleep