全错,求大佬教一下（P8964）

int main()
{
    int T,n,m;
    cin>>T>>n>>m;
    cin.ignore();
    int i;
    vector<string>a1;
    while(m--)
    {
        string a;
        cin>>a;
        a1.push_back(a);
    }
    m=a1.size();
    int j;
    string b1="stdin";
    string b2="stdout";
    string b3="//";
    for(i=1;i<=n;i++)
    {
        string a3;
        getline(cin,a3);
        bool use=false;
        bool use1=true;
        for(j=1;j<=2*m;j++)
        {
            string a2;
            getline(cin,a2);
            int t=a2.size();
            int p=j/2;
            if(t>=10&&a2.substr(0,10)=="//freopen("&&a2.substr(t-2)==");")
            {
                use=true;
                continue;
            }
            else
            {
                if(j%2!=0)
                {
                    if(a2!="freopen(\"" + a1[p] + ".in\", \"r\", stdin);")
                    {
                        use1=false;
                    }
                }
                else
                {
                    if(a2!="freopen(\"" + a1[p] + ".out\", \"w\", stdout);")
                    {
                        use1=false;
                    }
                }
            }
        }
         if(use)
            {
                cout<<"Wrong file operation takes you to your ancestors along with your 3 years' efforts on OI."<<endl;
            }
            else if(use1)
            {
                cout<<"PION2202 RP++."<<endl;
            }
            else
            {
                cout<<"Good luck and have fun."<<endl;
            }
    }
}