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вернуться в форумJAVA, plz help import java.util.ArrayList; import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class Timus2002 { public static void main(String[] args) { Map<String, String> map = new HashMap<>(); Scanner sc = new Scanner(System.in); String[] s = new String[105]; ArrayList<String> logged = new ArrayList<>(); int n = Integer.parseInt(sc.nextLine()); for (int i = 0; i < n; i++) { s[i] = sc.nextLine(); } for (int i = 0; i < n; i++) { String[] mas = s[i].split(" "); if(mas[0].equals("register")){ if(map.containsKey(mas[1])){ System.out.println("fail: user already exists"); continue; } map.put(mas[1], mas[2]); System.out.println("success: new user added"); } String login = mas[1]; if(mas[0].equals("login")){ String pass = mas[2]; if(!map.containsKey(login)) { System.out.println("fail: no such user"); continue; } String value = map.get(login); if(!value.equals(pass)) System.out.println("fail: incorrect password"); if(value.equals(pass)) { if (!logged.contains(login)) { logged.add(login); System.out.println("success: user logged in"); } else System.out.println("fail: already logged in"); } } if(mas[0].equals("logout")) { if (!map.containsKey(login)) System.out.println("fail: no such user"); if (!logged.contains(login)) System.out.println("fail: already logged out"); else { System.out.println("success: user logged out"); logged.remove(login); } } } } } Re: JAVA, plz help It works, but cant pass the test |
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