#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm> 
using namespace std;
string a,b,c,d,e,A,B,C;
int n;
string f[6][3],F[3];
string na,nb,nd;
string ans[6];             //被抓住名字 
int tot=0;                //被抓住人数 
bool as[6];              //是否正在玩 
bool st[6];             //是否被抓到 
bool g;                //是否有老师 
void doa(int x)
{
	if(x==1) as[1]=1;
	else as[1]=0;
}
void dob(int x)
{
	if(x==1) as[2]=1;
	else as[2]=0;
}
void doc(int x)
{
	if(x==1) as[3]=1;
	else as[3]=0;
}
void dod(int x)
{
	if(x==1) as[4]=1;
	else b[4]=0;
}
void doe(int x)
{
	if(x==1) as[5]=1;
	else b[5]=0;
}
void die()
{
	for(int i=1;i<=5;i++)
	{
		if(as[i]&&!st[i])
		{
			st[i]=1;
			b[i]=1;
			if(i==1) ans[++tot]=a;
			else if(i==2) ans[++tot]=b;
			else if(i==3) ans[++tot]=c;
			else if(i==4) ans[++tot]=d;
			else if(i==5) ans[++tot]=e;
		}
	}
}
int main()
{
	cin>>n;
	cin>>A>>B>>C;
	cin>>a>>b>>c>>d>>e;
	f[1][1]=a+" started playing games!";f[1][2]=a+" stopped playing games!";
	f[2][1]=b+" started playing games!";f[2][2]=b+" stopped playing games!";
	f[3][1]=c+" started playing games!";f[3][2]=c+" stopped playing games!";
	f[4][1]=d+" started playing games!";f[4][2]=d+" stopped playing games!";
	f[5][1]=e+" started playing games!";f[5][2]=e+" stopped playing games!";
	F[1]=" came!";F[2]=" left!";
	for(int i=1;i<=n;i++)
	{
		cin>>na;               //na名字，nb名字后面的句子，nd整个句子 
		getline(cin,nb);
		nd=na+nb;
		if(na==a)
		{
			if(nd==f[1][1]) 
				doa(1);
			else if(nd==f[1][2]) 
				doa(2);
		}
		else if(na==b)
		{
			if(nd==f[2][1]) 
				dob(1);
			else  if(nd==f[2][2]) 
				dob(2);
		}
		else if(na==c)
		{
			if(nd==f[3][1]) 
				doc(1);
			else  if(nd==f[3][2]) 
				doc(2);
		}
		else if(na==d)
		{
			if(nd==f[4][1]) 
				dod(1);
			else  if(nd==f[4][2]) 
				dod(2);
		}
		else if(na==e)
		{
			if(nd==f[5][1]) 
				doe(1);
			else  if(nd==f[5][2]) 
				doe(2);
		}
		else if(na==A||na==B||na==c)
		{
			if(nb==F[1]) 
				g=1;
			else if(nb==F[2]) 
				g=0;
		}
		if(g) 
			die();             //g=1表示有老师，查找playing的孩子 
	}
	if(tot==0)
	{
		cout<<"How Good Oiers Are!";       //没有找到 
		return 0;
	}
	sort(ans+1,ans+tot+1);                      //排序 
	for(int i=1;i<=tot;i++) cout<<ans[i]<<" ";           
	if(tot==5) cout<<endl<<"How Bad Oiers Are!";       //如果都玩了 
	return 0;
}

评测记录

https://www.luogu.com.cn/record/39268832