[CCF CSP]集合竞价2014-12-3

题目链接:http://118.190.20.162/view.page?gpid=T19

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include <set>
using namespace std;
struct Buy{
    string str;
    double price;
    int stocknum;
}E[5050];
int pos=1;
set<double> q;
long long int  max_start_num=0;
double max_start_price=0;
int main() {
    string op;
    double price;
    int stocknum;
    while(cin>>op){
        if(op=="cancel"){
            int id;
            cin>>id;
            E[id].str = "cancel";
            E[id].price = 0;
            E[id].stocknum = 0;
            E[pos].str="cancel";
            E[pos].price=0;
            E[pos].stocknum=0;
            pos++;
        }
        else
        {
            cin>>price>>stocknum;
            q.insert(price);
            E[pos].str=op;
            E[pos].price=price;