• API
• FAQ
• Tools
• Archive
SHARE
TWEET

# Magic Number - Dates

TheBulgarianWolf Mar 26th, 2020 56 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
1. import java.util.Scanner;
2. import java.time.LocalDate;
3. import java.time.format.DateTimeFormatter;
4. public class Main
5. {
6.     public static void main(String[] args) {
7.         Scanner sc = new Scanner(System.in);
8.         System.out.print("Enter the first year: ");
9.         int startYear = Integer.parseInt(sc.nextLine());
10.         System.out.print("Enter the final year: ");
11.         int finalYear = Integer.parseInt(sc.nextLine());
12.         System.out.print("Enter your magic number: ");
13.         int magicNumber = Integer.parseInt(sc.nextLine());
14.         boolean found = true;
15.         LocalDate currentDate = LocalDate.of(startYear, 1, 1);
16.
17.     //doing the calculations
18.     while(currentDate.getYear() <= finalYear){
19.       int d1 = currentDate.getDayOfMonth() /10; // first day digit
20.       int d2 = currentDate.getDayOfMonth() %10; //second day digit
21.       int d3 = currentDate.getMonthValue() / 10; // first month digit
22.       int d4 = currentDate.getMonthValue() % 10; // second month digit
23.       int d5 = currentDate.getYear() / 1000; // first year digit
24.       int d6 = (currentDate.getYear() / 100) % 10; // second year digit
25.       int d7 = ((currentDate.getYear() / 10)%100)%10;
26.       int d8 = currentDate.getYear() % 10;
27.
28.
29.       int dateWeight = d1*(d2+d3+d4+d5+d6+d7+d8) + d2*(d3+d4+d5+d6+d7+d8) + d3*(d4+d5+d6+d7+d8) + d4*(d5+d6+d7+d8) + d5*(d6+d7+d8) + d6*(d6+d7+d8) + d7*d8;
30.        if(dateWeight == magicNumber){
31.       DateTimeFormatter outputFormatter = DateTimeFormatter.ofPattern("dd-MM-yyyy");
32.       System.out.println(outputFormatter.format(currentDate));
33.       found = true;
34.       }
35.
36.       currentDate = currentDate.plusDays(1);
37.     }
38.
39.
40.     if(!found){
41.       System.out.println("NO!");
42.     }
43.
44.
45.
46.     }
47. }
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.
Top