nyoj754 黑心医生 结构体优先队列

<span style="font-family: Arial, Helvetica, sans-serif;">对队列不懂的  可以看看我转的这篇文章<a target=_blank href="http://blog.csdn.net/su20145104009/article/details/44562659" target="_blank">STL整理</a>。</span>

<pre name="code" class="cpp">#include <stdio.h>
#include <queue>
using namespace std;
typedef struct
{
	int rich,num;
}node;
queue<node> s1;
priority_queue<int,vector<int>,less<int> >s2;//把less换成greater就是从小到大
int main()
{
	node t,v;
	int n,m,x;
	while(scanf("%d %d",&n,&m)!=EOF)
	{
		while(!s1.empty())//必须清队列
		s1.pop();
		while(!s2.empty())//同上
		s2.pop();
		for(int i=0;i<n;i++)
		{
			scanf("%d",&x);
			t.rich=x;
			t.num=i;
			s1.push(t);
			s2.push(x);
		}
		for(int i=0;i<n;i++)
		{
			v=s1.front();
			if(v.rich==s2.top())
			s2.pop();
			else
			{
				while(v.rich!=s2.top())
				s1.push(v),s1.pop(),v=s1.front();
			    s2.pop();
			}
			if(v.num==m)
			{
				s1.pop();
				break;
			}
			else
			s1.pop();
		}
		printf("%d\n",n-s2.size());
	}
	return 0;
}