statement.html

problem 19 · 12 lines

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<p>You are given the following information, but you may prefer to do some research for yourself.</p>
<ul><li>1 Jan 1900 was a Monday.</li>
<li>Thirty days has September,<br/>
April, June and November.<br/>
All the rest have thirty-one,<br/>
Saving February alone,<br/>
Which has twenty-eight, rain or shine.<br/>
And on leap years, twenty-nine.</li>
<li>A leap year occurs on any year evenly divisible by 4, but not on a century unless it is divisible by 400.</li>
</ul><p>How many Sundays fell on the first of the month during the twentieth century (1 Jan 1901 to 31 Dec 2000)?</p>
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