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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.time.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		System.out.println(numberOfWeekendContained(LocalDate.of(2016, 12, 2), LocalDate.of(2016, 12, 24)));
  14. 	}
  15.  
  16. 	public static int numberOfWeekendContained(LocalDate start, LocalDate end) {
  17. 		LocalDate firstMondayAfterStart = start.plusDays(8-start.getDayOfWeek().getValue());
  18. 		LocalDate lastSundayBeforeEnd = end.minusDays(end.getDayOfWeek().getValue());
  19.  
  20. 		//int numberOfWeeksBetween = (int)Math.floor((Period.between(firstMondayAfterStart, lastSundayBeforeEnd).getDays() + 1) / 7);
  21. 		int numberOfWeeksInbetween = Math.floorDiv(Period.between(firstMondayAfterStart, lastSundayBeforeEnd).getDays() + 1, 7);
  22.  
  23. 		return 
  24. 			Math.max(0, Math.min(2, 7 - start.getDayOfWeek().getValue())) +		// weekend days from the start week
  25. 			Math.max(0, end.getDayOfWeek().getValue() - 5) +					// weekend days from the end week
  26. 			numberOfWeeksInbetween * 2;											// weekend days from the weeks inbetween
  27.  
  28. 	}
  29. }
Success #stdin #stdout 0.09s 711168KB
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https://ideone.com/aLWxd9
language:
Java (12.0.1)
created:
9 years ago
visibility:
public

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