zoj2741Offside

?

<a href="http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1741" rel="noopener nofollow">http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1741</a>只能用一个词来形容--“恶心”

数据里有double

#include<iostream>

#include<stdio.h>

#include<string>

#include<vector>

#include<sstream>

using namespace std;

struct node

{

    double x,y;

};

node change(string s)

{

    node a;

    int it=s.find(',');

    s[it]=' ';

    s[0]=' ';

    s[s.size()-1]=' ';

    istringstream bin(s);

    bin>>a.x>>a.y;

    return a;

}

int main()

{

    string s,ss;

    vector <node>  v;

    while(getline(cin,s))

    {

         

        v.clear();

        istringstream sin(s);

        while(sin>>ss)

        {

            v.push_back(change(ss));

             

        }

 

        int num=0;

        if(v[0].x<=0||v[0].x<=v[1].x){cout<<"PlayOn"<<endl;}

        else

        {

            for(int i=2;i<v.size();i++)

            {

                 if(v[0].x<=v[i].x)num++;

            }

            if(num>=2)cout<<"PlayOn"<<endl;

            else cout<<"Offside"<<endl;

        }

         

    }

}