来自「C语言相关程序」· 代码 · 共 14 行

#include<iostream.h>
int abs(int x)
{
	return x>0?x:-x;
}
double abs(double x)
{
	return x>0?x:-x; 
}
void main()
{
	cout<<"-1de jueduizhi shi:"<<abs(-1)<<endl;
	cout<<"-1.2351de jueduizhi shi:"<<abs(-1.2354)<<endl;
}