console 命令行工具 X clear

console

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

int ex(int a)
{ 
	double e;
	e=exp(a);
	return e;
}
int sinh(int a)
{
	double s=(ex(a)-ex(a*-1))*0.5;
	cout<<s<<endl;
		return s;
}
int main()
{
	int a;
	cout<<"输入x"<<endl;
	cin>>a;
 sinh(a);
}