1 /********************************************************** 2 题目: The kth great number(HDU 4006) 3 链接: http://acm.hdu.edu.cn/showproblem.php?pid=4006 4 算法: 优先队列 5 ************************************************************/ 6 #include<cstdio> 7 #include<cstring> 8 #include<algorithm> 9 #include<cstdio> 10 #include<iostream> 11 #include<queue> 12 #include<vector> 13 using namespace std; 14 15 priority_queue <int, vector<int>,greater<int> > que; 16 17 int main() 18 { 19 int n,k; 20 while (~scanf("%d%d",&n,&k)) 21 { 22 while (!que.empty()) que.pop(); 23 char c; 24 int x; 25 while (n--) 26 { 27 scanf(" %c",&c); 28 if (c=='I') 29 { 30 scanf("%d",&x); 31 que.push(x); 32 while (que.size()>k) que.pop(); 33 } 34 else printf("%d\n",que.top()); 35 } 36 } 37 }