c++第四篇

#include<iostream>
using namespace std;
int main()
{
  //三只小猪称重量 
  int a=50;
  int b=66;
  int c=98;
  if(a>b){
    if(a>c){
      cout<<a<<endl;
    }
    else{
      cout<<c<<endl;
    }
  }
  else{
    if(b>c){
      cout<<b<<endl;
    }
    else{
      cout<<c<<endl;
    }
  }
  //三目运算符
  c = a > b ? a : b;
  cout << "c = " << c << endl;
  //C++中三目运算符返回的是变量,可以继续赋值
  (a > b ? a : b) = 100;
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;
  cout << "c = " << c << endl; 
  //switch语句
    //请给电影评分 
  //10 ~ 9   经典   
  // 8 ~ 7   非常好
  // 6 ~ 5   一般
  // 5分以下 烂片
  int score = 0;
  cout << "请给电影打分" << endl;
  cin >> score;
  switch (score)
  {
  case 10:
  case 9:
    cout << "经典" << endl;
    break;
  case 8:
    cout << "非常好" << endl;
    break;
  case 7:
  case 6:
    cout << "一般" << endl;
    break;
  default:
    cout << "烂片" << endl;
    break;
  }
  return 0;
}