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  1. import java.io.BufferedOutputStream;
  2. import java.io.BufferedReader;
  3. import java.io.IOException;
  4. import java.io.InputStreamReader;
  5. import java.util.ArrayList;
  6. import java.util.Calendar;
  7. import java.util.Collections;
  8.  
  9. public class Main {
  10.  
  11.     public static void main(String[] args) throws IOException {
  12.  
  13.         BufferedReader entrada = new BufferedReader(new InputStreamReader(System.in));
  14.         BufferedOutputStream salida = new BufferedOutputStream(System.out);
  15.         ArrayList<Calendar> citas = new ArrayList<Calendar>();
  16.         ArrayList<String> citasString = new ArrayList<String>();
  17.         String[] datos1, datos2;
  18.         Calendar hora;
  19.         int i, numCitas, horas, minutos, posicion;
  20.         long segundos;
  21.         int contador = 0;
  22.         String linea = entrada.readLine();
  23.         while (linea != null) {
  24.             contador++;
  25.             numCitas = Integer.parseInt(linea);
  26.             hora = Calendar.getInstance();
  27.             hora.set(2001, 10, 1, 10, 0);
  28.             citas.add(hora);
  29.             citasString.add("10:00");
  30.             hora = Calendar.getInstance();
  31.             hora.set(2001, 10, 1, 18, 0);
  32.             citas.add(hora);
  33.             citasString.add("18:00");
  34.             for (i = 0; i < numCitas; i++) {
  35.                 datos1 = entrada.readLine().split(" ");
  36.                 datos2 = datos1[0].split(":");
  37.                 horas = Integer.parseInt(datos2[0]);
  38.                 minutos = Integer.parseInt(datos2[1]);
  39.                 hora = Calendar.getInstance();
  40.                 hora.set(2001, 10, 1, horas, minutos);
  41.                 citas.add(hora);
  42.                 citasString.add(datos1[0]);
  43.                 datos2 = datos1[1].split(":");
  44.                 horas = Integer.parseInt(datos2[0]);
  45.                 minutos = Integer.parseInt(datos2[1]);
  46.                 hora = Calendar.getInstance();
  47.                 hora.set(2001, 10, 1, horas, minutos);
  48.                 citas.add(hora);
  49.                 citasString.add(datos1[1]);
  50.             }
  51.             Collections.sort(citas);
  52.             Collections.sort(citasString);
  53.             segundos = 0;
  54.             posicion = 0;
  55.             for (i = 0; i < citas.size(); i = i + 2) {
  56.                 if (citas.get(i + 1).getTimeInMillis() - citas.get(i).getTimeInMillis() > segundos) {
  57.                     posicion = i;
  58.                     segundos = citas.get(i + 1).getTimeInMillis() - citas.get(i).getTimeInMillis();
  59.                 }
  60.             }
  61.             segundos = segundos / 1000;
  62.             minutos = (int) (segundos / 60);
  63.             if (minutos < 60) {
  64.                 salida.write(("Day #" + contador + ": the longest nap starts at " + citasString.get(posicion) + " and will last for " + minutos + " minutes.\n").getBytes());
  65.             } else {
  66.                 horas = minutos / 60;
  67.                 minutos = minutos % 60;
  68.                 salida.write(("Day #" + contador + ": the longest nap starts at " + citasString.get(posicion) + " and will last for " + horas + " hours and " + minutos + " minutes.\n").getBytes());
  69.             }
  70.             citas.clear();
  71.             citasString.clear();
  72.             linea = entrada.readLine();
  73.         }
  74.         salida.flush();
  75.         salida.close();
  76.     }
  77. }
Success #stdin #stdout 0.13s 380864KB
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stdin
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102
14:10 17:30 Lectures101
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stdout
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Day #1: the longest nap starts at 17:30 and will last for 29 minutes.
https://ideone.com/QC4bnE
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
secret

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