hdu 4006 优先队列 2011大连赛区网络赛F **

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 1 #include<cstdio>
 2 #include<iostream>
 3 #include<algorithm>
 4 #include<cstring>
 5 #include<cmath>
 6 #include<queue>
 7 #include<map>
 8 using namespace std;
 9 #define MOD 1000000007
10 const int INF=0x3f3f3f3f;
11 const double eps=1e-5;
12 typedef long long ll;
13 #define cl(a) memset(a,0,sizeof(a))
14 #define ts printf("*****
");
15 const int MAXN=1005;
16 int n,m,tt;
17 priority_queue<int,vector<int>,greater<int> > q;
18 int main()
19 {
20     int i,j,k;
21     #ifndef ONLINE_JUDGE
22     freopen("1.in","r",stdin);
23     #endif
24     char s[10];
25     while(~scanf("%d%d",&m,&k))
26     {
27         int x;
28         while(!q.empty())    q.pop();
29         for(i=0;i<m;i++)
30         {
31             scanf("%s",s);
32             if(s[0]=='I')
33             {
34                 scanf("%d",&x);
35                 if(q.size()<k)  q.push(x);
36                 else if(q.top()<x)
37                 {
38                     q.pop();
39                     q.push(x);
40                 }
41             }
42             else printf("%d
",q.top());
43         }
44     }
45 }