Submission #448500

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Source Code Expand

import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int[] record = new int[2401];
        Arrays.fill(record, 0);

        for(int i =0; i<N; i++){
            String input = sc.next();
            int start = Integer.parseInt(input.split("-")[0]);
            int end = Integer.parseInt(input.split("-")[1]);
            start = start/5 * 5;
            end = ((int)Math.ceil(end/5d)) * 5;
            if(end%100 == 60){
                end += 40;
            }
            
            record[start]++;
            record[end]--;
        }

        int counter = 0;
        for(int i=0; i<2401; i++){
            if(record[i] > 0){
                if(counter == 0) System.out.format("%1$04d-", i);
                counter+=record[i];
            } else if(record[i] < 0){
                counter+=record[i];
                if(counter == 0)System.out.format("%1$04d%n", i);
            }
        }
    }
}

Submission Info

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