ZOJ 2724Windows Message Queue

#include<cstring>
#include<iostream>
#include<queue>
#include<cstdio>
using namespace std;
struct Message
{
	char Name[100];
	int Date;
	int Priority;
	bool operator <(const Message &a)const
	{
		return a.Priority<Priority;
	}
};
priority_queue<Message>v;
int main()
{
	char command[100];
	Message message;
	while(scanf("%s",command)!=EOF)
	{
		if(strcmp(command,"GET")==0)
		{
			if(v.size()==0)
				printf("EMPTY QUEUE!\n");
			else
			{
				printf("%s %d\n",v.top().Name,v.top().Date);
				v.pop();
			}
		}
		else if(strcmp(command,"PUT")==0)
		{
			scanf("%s%d%d",&message.Name,&message.Date,&message.Priority);
			v.push(message);
		}
	}
	//system("pause");
	return 0;

}