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executable file
·31 lines (26 loc) · 867 Bytes
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import java.util.Date;
/*
Project Euler Problem 19
========================
You are given the following information, but you may prefer to do some
research for yourself.
* 1 Jan 1900 was a Monday.
* Thirty days has September,
April, June and November.
All the rest have thirty-one,
Saving February alone,
Which has twenty-eight, rain or shine.
And on leap years, twenty-nine.
* A leap year occurs on any year evenly divisible by 4, but not on a
century unless it is divisible by 400.
How many Sundays fell on the first of the month during the twentieth
century (1 Jan 1901 to 31 Dec 2000)?
*/
public class Euler019 {
public static void main(String[] args) {
Date start, end;
start = new Date();
end = new Date();
System.out.println("Execution Time: " + (end.getTime() -start.getTime()));
}
}