9.优先队列,priority_queue

 #include <iostream>
 #include <queue>
 #include <deque>
 #include <list>
 using namespace std;
 
 void main1()
 {
     //优先队列
     priority_queue<int> myq;
     myq.push();
     myq.push();
     myq.push();
     myq.push();
 
     while(!myq.empty())
     {
         cout << myq.top() << endl;
         myq.pop();
     }
     cin.get();
 }
 
 struct getmoney
 {
     char *com;
     int money;
 };
 
 struct lessX
 {
     bool operator()(struct getmoney &m1, struct getmoney &m2)
     {
         //return m1.money < m2.money;
         if (strcmp(m1.com, m2.com) >= )
         {
             return true;
         }
         else
         {
             return false;
         }
     }
 };
 
 void main()
 {
     //优先队列,采用deque方式容易插入
     priority_queue<getmoney, deque<getmoney>,lessX> myq;
     getmoney getm[] = { {"Google",},{"baidu",},{"",},{"sina",},{"tecent",} };
     for (auto i : getm)
     {
         myq.push(i);
     }
     while (!myq.empty())
     {
         cout << myq.top().com << "  " << myq.top().money << endl;
         myq.pop();
     }
     cin.get();
 }