Section 1.2.3 Name That Number 水

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;


ll trans(string name){
    int len = name.length(), i;
    ll val = 0ll;
    for(i = 0; i < len; i++){
        if(name[i] < ‘Q‘)val = val * 10 + (name[i] - ‘A‘)/ 3 + 2;
        else {
            val = val * 10 + (name[i] - ‘A‘ - 1) / 3 + 2;
        }
    }
    return val;

}
int main()
{
    ifstream fin("namenum.in");
    ifstream dict("dict.txt");
    #ifndef poi
        ofstream fout("namenum.out");

    #endif

    ll inp;
    fin >> inp;
    string name;
    bool gg = true;

    while(dict>>name){
       // cout<< name <<" "<<trans(name) <<endl;
        if(inp != trans(name))  continue;

        gg = false;
        fout<<name<<endl;
    }
    if(gg)  fout<<"NONE"<<endl;

    dict.close();;
    fin.close();

    #ifndef poi
        fout.close();

    #endif
    return 0;
}