PAT (Basic Level) Practice （中文）---1018 锤子剪刀布 (20 分)

#include<bits/stdc++.h>
#define inf 0x3f3f3f3f
using namespace std;

	int win=0;//甲赢的次数 
	int lose=0; 
	int ping = 0;
	int n;
    map<char,int> m1;
    map<char,int> m2;
    int k;
void getA(){
	 char pos;
	 k = -inf;
	 for(auto it=m1.begin();it!=m1.end();it++){
	 	if(it->second > k){
          // cout<<"当前字母为："<<it->first<<" "<<"个数为："<<it->second<<endl;
	 	   k = it->second;
		   pos = it->first;	
		}
	 }
	 cout<<pos;
	 
}   
void getB(){
	 char pos;
	 k = -inf;
	 for(auto it=m2.begin();it!=m2.end();it++){
	 	if(it->second > k){
	 	   k = it->second;
		   pos = it->first;	
		}
	 }
    cout<<pos;
} 

int main(){
	cin>>n;
	char a,b;//甲乙
	m1['J'] = 0;
	m1['C'] = 0;
	m1['B'] = 0;
	m2['J'] = 0;
	m2['C'] = 0;
	m2['B'] = 0;
	for(int i=0;i<n;i++){
		cin>>a>>b;
		if((a=='C' && b=='J') || (a=='J' && b=='B') || (a=='B' && b=='C')){
	        win++;
	        m1[a]++; 
            //cout<<"甲"<<a<<"个数"<<m1[a]<<endl;
		}
		else if(a==b) ping++;
		else{
			lose++;
			m2[b]++;
            //cout<<"乙"<<b<<"个数"<<m2[b]<<endl;
		}  
	}
	cout<<win<<" "<<ping<<" "<<lose<<endl;
	cout<<lose<<" "<<ping<<" "<<win<<endl;
	getA();
    cout<<" ";
    getB();
	return 0;
}