算法学习一

1、两个整型数，不准用if 、switch 、？：等判断语句求出两者最大值

#include <iostream>
#include <cmath>
using namespace std;

int main(int argc, char **argv) {
	int a, b;
	cout << "please input two numbers:" << endl;
	cin >> a >> b;
	cout << "the upper value:" << (a + b + fabs(a - b)) / 2 << endl;
	return 0;
}