Submission #7587

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Source Code Expand

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Main {
	
	public static boolean isleap(int Y) {
		boolean isok = false;
		if (Y % 400 == 0) {
			isok = true;
		} else if (Y % 100 == 0) {
			isok = false;
		} else if (Y % 4 == 0) {
			isok = true;
		}
		return isok;
	}
	
	public static boolean isok(int y, int m, int d) {
		if (y % m != 0) {
			return false;
		}
		y /= m;
		
		if (y % d != 0) {
			return false;
		}
		return true;
	}
	
	static int[] limit = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	static int[] l_limit = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	
	public static boolean isvalid(boolean isleap, int y, int m, int d) {
		int[] l = (isleap) ? l_limit : limit;
		if (1 <= d && d <= l[m]) {
			return true;
		}
		return false;
	}
	
	public static void main(String[] args) throws IOException {
		BufferedReader s = new BufferedReader(new InputStreamReader(System.in));
		String[] data = s.readLine().split("/");
		int ny = Integer.valueOf(data[0]);
		int nm = Integer.valueOf(data[1]);
		int nd = Integer.valueOf(data[2]);
		
		search: for (int y = ny ; y <= 4000 ; y++) {
			boolean isl = isleap(y);
			for (int m = (y == ny) ? nm : 1 ; m <= 12 ; m++) {
				for (int d = (y == ny && m == nm) ? nd : 1 ; d <= 31 ; d++) {
					if (isvalid(isl, y, m, d)) {
						if (isok(y, m, d)) {
							System.out.println(String.format("%04d/%02d/%02d", y, m, d));
							break search;
						}
					}
				}
			}
		}
		
		
	}
}

Submission Info

Judge Result