算法1

80分代码

#include <bits/stdc++.h>
#define max 100
#include <string>
using namespace std;
bool panduan(string theMatch){
    for(int i=0;i<theMatch.length();i++){
        if(theMatch[i]=='E'){
            return true;
        }
    }
    return false;
}
int main()
{
    int theScoreW=0;
    int theScoreL=0;
    int theScoreW21=0;
    int theScoreL21=0;
    bool ran=false;
    string theMatch;//比赛输入数据
    string theResult,theResult21;//输出数据
    string strDst,strDst21;
    while(!panduan(theMatch)){
        string tmp;
        cin>>tmp;
        theMatch+=tmp;
    }
    for(int i=0;i<theMatch.length();++i){
        if(theMatch[i]=='W'){
            ++theScoreW;
            ++theScoreW21;
        }else if(theMatch[i]=='L'){
            ++theScoreL;
            ++theScoreL21;
        }
                stringstream ssTemp;
                ssTemp<<theScoreW;
                ssTemp<<':';
                ssTemp<<theScoreL;
                strDst=ssTemp.str();
                if((theScoreW>=11||theScoreL>=11)&&abs(theScoreL-theScoreW)>=2){
                    theResult+=strDst+"\n";
                    theScoreW=0;
                    theScoreL=0;
                    ran=true;

                }
                ssTemp.str("");;
                ssTemp<<theScoreW21;
                ssTemp<<':';
                ssTemp<<theScoreL21;
                strDst21=ssTemp.str();
                if((theScoreW21>=21||theScoreL21>=21)&&abs(theScoreL21-theScoreW21)>=2){
                    theResult21+=strDst21+"\n";
                    theScoreW21=0;
                    theScoreL21=0;
                    ran=true;
                }
      if(theMatch[i]=='E'){
            break;
        }
    }
    if((theScoreW||theScoreL)||!ran){
        theResult+=strDst+"\n";
    }
    if(theScoreW21||theScoreL21||!ran){
        theResult21+=strDst21;
    }else{
        theResult21.substr(0,((int)theResult21.length())-2);
    }
    cout<<theResult<<endl<<theResult21;
    return 0;
}

算法2

100分代码

#include<iostream>
#include<cstdlib>
#include<string>
using namespace std;
int main()
{
    string s1,s2;
    while(getline(cin,s2))s1+=s2;
    int i=0,a=0,b=0;
    while(s1[i]!='E')
    {
        switch(s1[i])
        {
            case 'W':a++;break;
            case 'L':b++;break;
        }
        if((a>=11||b>=11)&&(abs(a-b)>=2))
        {
            cout<<a<<":"<<b<<endl;
            a=0;b=0;
        }
        i++;
    }
    cout<<a<<":"<<b<<endl;
    cout<<endl;
    a=b=0;i=0;
    while(s1[i]!='E')
    {
        switch(s1[i])
        {
            case 'W':a++;break;
            case 'L':b++;break;
        }
        if((a>=21||b>=21)&&(abs(a-b)>=2))
        {
            cout<<a<<":"<<b<<endl;
            a=0;b=0;
        }
        i++;
    }
    cout<<a<<":"<<b<<endl;
    return 0;
}