timus 2002

#include<iostream>
#include<cmath>
#include<string>
#include<vector>
using namespace std;
const int MAXN = 150;
int a[MAXN];
string p[100], o[100];
void reg(string a, int n) {
    string b, c;
    bool q = 0;
    int j = 9;
    while (a[j] != ' ') {
        b += a[j];
        j++;
    }
    j++;
    for (int i = 0; i < n; i++) {
        if (p[i] == "") {
            p[i] = b;
            break;
        }
        if (p[i] == b) {
            q = 1;
            break;
        }
    }
    if (q == 1) {
        cout << "fail: user already exists\n";
        return;
    }
    while (a[j] != '\0') {
        c += a[j];
        j++;
    }
    for (int i = 0; i < n; i++) {
        if (o[i] == "") {
            p[i] = b;
            break;
        }
    }
    cout << "success: new user added\n";
}
void login(string a, int n) {
    string b, c;
    int j = 6;
    while (a[j] != ' ') {
        b += a[j];
        j++;
    }
    for (int i = 0; i < n; i++) {
        if (p[i] == b) {
            break;
        }
        if (p[i] == "") {
            cout << "fail: no such user";
            return;
        }
    }
    j++;
    while (a[j] != '\0') {
        c += a[j];
        j++;
    }
    for (int i = 0; i < n; i++) {
        if (o[i] == c) {
            cout << "success: user logged in";
            return;
        }
        if (o[i] == "") {
            cout << "fail: incorrect password";
            return;
        }
    }
}
int main() {
    int n;
    string a[100];
    cin >> n;
    for (int i = 0; i < n; i++) {
        getline(cin, a[i]);
        if (a[i][0] == 'r') {
            reg(a[i], n);
            continue;
        }
        if (a[i][3] == 'i') {
            login(a[i], n);
        }
    }
    system("pause");
}