PAT 1034

注意看后面output的要求OTL

陈越姥姥我都不太想吐槽你了... 

#include <vector>
#include <iostream>
#include <string>
#include <fstream>

#define OJ

#ifdef OJ
#define fin cin
#endif

using namespace std;

class User{
public:
    User(){
        modified = false;
    }

    string name;
    string passwd;
    bool modified;
};

vector<User> users;

int main(){
#ifndef OJ
    ifstream fin;
    fin.open("in.data");
#endif


    int N;
    fin >> N;

    for (int i = 0; i < N; i++){
        User user;
        fin >> user.name >> user.passwd;
        users.push_back(user);
    }

    int mod_cnt = 0;
    for (int i = 0; i < N; i++){
        User &user = users[i];
        string &str = user.passwd;
        for (int j = 0; j < str.size(); j++){
            bool modified = true;
            if (str[j] == '1')
                str[j] = '@';
            else if (str[j] == '0')
                str[j] = '%';
            else if (str[j] == 'l')
                str[j] = 'L';
            else if (str[j] == 'O')
                str[j] = 'o';
            else
                modified = false;

            user.modified |= modified;
        }
        if (user.modified)
            mod_cnt++;
    }

    if (mod_cnt == 0){
        cout << "There " << (N == 1 ? "is " : "are ") << N << (N == 1 ? " account" : " accounts") << " and no account is modified" << endl;

        return 0;
    }

    cout << mod_cnt << endl;
    for (int i = 0; i < N; i++){
        User &user = users[i];
        if (user.modified){
            cout << user.name << " " << user.passwd << endl;
        }
    }

    return 0;
}