1018 锤子剪刀布

#include <iostream>
#include<algorithm>
using namespace std;
int cmp(char a,char b)
{
    if((a=='C'&&b=='J')||(a=='J'&&b=='B')||(a=='B'&&b=='C'))
    {
        return 1;
    }
    else if(a==b)
    {
        return 2;
    }
    else
    {
        return 3;
    }
}
char f(int a,int b,int c)
{
    if(a>=b&&a>c)
    {
        return 'C';
    }
    else if(b>a&&b>c)
    {
        return 'J';
    }
    else if(c>=a&&c>=b)
    {
        return 'B';
    }
}
int sum(char a[],int n,char b)
{
    int s=0;
    for(int i=0;i<n;i++)
    {
        if(a[i]==b)
        {
            s++;
        }
    }
    return s;
}
int main()
{
    int n;
    cin>>n;
    char jia[n],yi[n];
    int q1=0,q2=0,q3=0;
    char jia1[n],yi1[n];
    for(int i=0;i<n;i++)
    {
        cin>>jia[i]>>yi[i];
        if(cmp(jia[i],yi[i])==1)
        {
            jia1[q1]=jia[i];
            q1++;
        }
        else if(cmp(jia[i],yi[i])==2)
        {
            q2++;
        }
        else if(cmp(jia[i],yi[i])==3)
        {
            yi1[q3]=yi1[i];
            q3++;
        }
    }
    int s1=sum(jia1,q1,'C');
    int s2=sum(jia1,q1,'J');
    int s3=sum(jia1,q1,'B');
    int s4=sum(yi1,q2,'C');
    int s5=sum(yi1,q2,'J');
    int s6=sum(yi1,q2,'B');
    cout<<q1<<" "<<q2<<" "<<q3<<endl;
    cout<<q3<<" "<<q2<<" "<<q1<<endl;
    cout<<f(s1,s2,s3)<<" "<<f(s4,s5,s6);
    return 0;
}