经典算法——求绝对值溢出问题

123
-234.00

123.00
234.00

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

int main()
{
	float x;
	float res;

	while (cin >> x)
	{
		res = x>=0 ? x : -1 * x;
		printf("%.2f\n",res);
	}
	return 0;
}

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

int main()
{
	double x;
	double res;

	while (cin >> x)
	{
		res = x>=0 ? x : -1 * x;
		printf("%.2f\n",res);
	}
	return 0;
}

经典算法——求绝对值溢出问题

原文：http://blog.csdn.net/geekmanong/article/details/51004906