2019CCPC湖南全国邀请赛（广东省赛、江苏省赛）重现赛

我就写了签到题~~
题面是xtCpc

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	char k;
	ios::sync_with_stdio(false);
	while(cin>>n)
	{
			unordered_map<char,int>mp;
	mp['x']=1;
	mp['t']=2;
	mp['C']=3;
	mp['p']=4;
	mp['c']=5;
	map<int,int>t;
	for(int i=1;i<=n;i++)
	{
		cin>>k;
		if(k=='x') t[1]++;
		else if(mp[k]&&t[mp[k]-1]) 
		{
			t[mp[k]-1]--;
			t[mp[k]]++;
		}
	}
	cout<<t[5]<<endl;
	}

	
	
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
	map<string,int>mp;
	map<char,int>mp1,c;
	int wo=0;
	string m;
	ios::sync_with_stdio(false ); 
	for(int i=0;i<14;i++)
	{
		cin>>m;
		if(m[0]<='9'&&m[0]>='0'){
		mp1[m[0]]++;
		if(mp[m]==0) c[m[0]]++;	
		} 
		else 
		{
			if(mp[m]==0) wo++;
			
		}
	mp[m]++;
		
	}
		if(wo>=7&&c['9']>=3&&c['1']>=3&&(wo>7||mp1['1']>3||mp1['9']>3)) 
		cout<<"shisanyao!"<<endl;
		else if(c['9']==1&&c['1']==1&&c['8']==1&&c['2']==1&&mp1['9']>=3&&mp1['1']>=3&&mp1['8']>=1&&mp1['2']>=1) cout<<"jiulianbaodeng!"<<endl;
		else cout<<"I dont know!"<<endl;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
	ios::sync_with_stdio(false );
	string a,b;
	while(cin>>a>>b)
	{
		int l1,l2;
		l1=a.size() ;
		l2=b.size() ;
		if(l1!=l2)
		{
			cout<<"No"<<endl;
			continue;
		}else 
		{
			if(a[l1-1]!=b[l2-1]||a[0]!=b[0]) cout<<"No"<<endl;
			else 
			{
				map<char,int >mp;
				int f=1;
				for(int i=1;i<l1-1;i++)
				{
				   if(f&&a[i]!=b[i]) f=0;	
				   
				   	mp[a[i]]++;
				   
				}
				if(f) cout<<"Equal"<<endl;
				else 
				{
					int ff=1;
					for(int i=1;i<l1-1;i++)
					{
						if(mp[b[i]]==0) 
						{
							cout<<"No"<<endl;
							ff=0;
							break;
						}
						mp[b[i]]--;
					}
					if(ff) cout<<"Yes"<<endl;
				}
			}
		}
	}
}