| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
求大神搭救...第一次写!但是一直过不了!自己测试了好久没发现错误!但是就是AC不了#include <iostream>
#include <stdio.h>
#include <queue>
#include <vector>
using namespace std;
priority_queue<int,vector<int>,greater<int> > Pmin;
priority_queue<int> Pmax; //构建一个大顶堆和一个小顶堆的优先队列
int M,N;
int A[3005];
int u[3005];
int i = 0;
void operater(){
int K=0;//记录是第k小的数字
for(int j = 0;j<M;j++){
K++;
for(;i<u[j]||Pmax.size()<K;i++){
if(Pmax.size()<K){
if(i<u[j]){
if(!Pmin.empty() && A[i]>Pmin.top())
{
Pmax.push( Pmin.top() );
Pmin.pop();
Pmin.push(A[i]);
}
else Pmax.push(A[i]);
}
else if(!Pmin.empty()){
Pmax.push(Pmin.top());
Pmin.pop();
i--;
}
else break;
}//if
else {
if(Pmax.top() > A[i]){
Pmin.push(Pmax.top());
Pmax.pop();
Pmax.push(A[i]);
}
else{
Pmin.push(A[i]);
}//else
}//else
}//for
cout<<Pmax.top()<<endl;
}
}
int main()
{
cin>>N>>M;
for(int i=0;i<N;i++){//输入一系列数
cin>>A[i];
}
for(int j=0;j<M;j++){//输入
cin>>u[j];
}
operater();
return 1;
}
Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator