How to resolve the algorithm Find the last Sunday of each month step by step in the J programming language

Published on 12 May 2024 09:40 PM
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How to resolve the algorithm Find the last Sunday of each month step by step in the J programming language

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Problem Statement

Write a program or a script that returns the last Sundays of each month of a given year. The year may be given through any simple input method in your language (command line, std in, etc). Example of an expected output:

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Step by Step solution about How to resolve the algorithm Find the last Sunday of each month step by step in the J programming language

Source code in the j programming language

require'dates'
last_sundays=: 12 {. [: ({:/.~ }:"1)@(#~ 0 = weekday)@todate (i.366) + todayno@,&1 1


   last_sundays 2013
2013  1 27
2013  2 24
2013  3 31
2013  4 28
2013  5 26
2013  6 30
2013  7 28
2013  8 25
2013  9 29
2013 10 27
2013 11 24
2013 12 29

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