【USACO】namenum

/*ID: ahshenb1PROG: namenumLANG: C++*/#include<iostream>#include<fstream>#include<string>using namespace std;const char alpha[26]={'2','2','2','3','3','3','4','4','4','5','5','5', '6','6','6','7','0','7','7','8','8','8','9','9','9','0'};string data,tmp,words;bool flag=false;int main(){    ifstream fin("namenum.in");    ofstream fout("namenum.out");    fin>>data;    ifstream tin("dict.txt");    while (tin>>words){          int l=words.size();          tmp="";          for (int i=0;i<l;i++) tmp+=alpha[words[i]-65];          if (tmp==data) {fout<<words<<endl;flag=true;}          }    if (!flag) fout<<"NONE"<<endl;    return 0;}