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WA了。。。。怎么回事

Posted by adamgic at 2005-10-13 12:51:11 on Problem 2643
#include<iostream>
#include<string>
#include<map>
using namespace std;
int main()
{
    string candidate[20][2],tmpstr;
    int VOTES[20];
    map<string , int>mapstr;
    int n,m;
    cin>>n;getchar();
    for(int i=0;i<n;i++){
        getline(cin,candidate[i][0]);
        getline(cin,candidate[i][1]);
    }
    cin>>m;getchar();
    for(int i=0;i<m;i++){
        getline(cin,tmpstr);
        if(!mapstr.count(tmpstr)){
            mapstr[tmpstr]=1;
        }
        else mapstr[tmpstr]++;
    }
    int maxvote=0,maxcount=0,maxpos=0;
    for(int i=0;i<n;i++){
        VOTES[i]=mapstr[candidate[i][0]];
        if(maxvote<VOTES[i]){
            maxvote=VOTES[i];
            maxpos=i;
        }
    }
    for(int i=0;i<n;i++){
        if(VOTES[i]==maxvote){
            ++maxcount;
        }
    }
    if(maxcount>1)puts("tie");
    else {
        cout<<candidate[maxpos][1]<<endl;
    }
}

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