项目二:分段函数求值
#include<iostream>
using namespace std;
int main()
{
int x,y;
cout<<"请输入x的值:";
cin>>x;
if(x<1)
{
y=-x+1;
cout<<"y="<<y<<endl;
}
else
{
y=x-1;
cout<<"y="<<y<<endl;
}
return 0;
}
项目三:两点距离
#include<iostream>
#include<cmath>
using namespace std;
int main()
{
double x1,y1,x2,y2,m,d;
cout<<"请输入x(x1,y1),y(x2,y2)两点的坐标:"<<endl;
cin>>x1>>y1>>x2>>y2;
m=(x2-x1)*(x2-x1)+(y2-y1)*(y2-y1);
d=sqrt(m);
cout<<d<<endl;
return 0;
}
项目四:模拟ATM
#include<iostream>
using namespace std;
int main()
{
int m,n;
cout<<"徐氏银行欢迎您"<<endl;
cout<<"请输入密码:"<<endl;
cin>>m;
cout<<"功能选项:"<<endl<<"1.查询"<<endl<<"2.取款"<<endl<<"3.存款"<<endl<<"4.转帐"<<endl<<"0.退出"<<endl<<"用户输入功能选择"<<endl;
cin>>n;
cout<<"谢谢,您选择了n号功能,程序结束";
return 0;
}