c语言编程思维从键盘输入x的值,求y的值并输出.x<=0时y=x×x,0<x<3时,y=x-5

Question

如题所述

Answer 1

#include<iostream>
using namespace std;
void main()
{
int x,y;

cin>>x;

if(x<=0) y=x*x;

if(x>0&&x<3) y=x-5;

cout<<y;

}