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xpetit
46f4ddc49e
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3 years ago | |
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| README.md | 3 years ago | |
README.md
ispowerof2
Instructions
Write a program that determines if a given number is a power of 2.
This program must print true if the given number is a power of 2, otherwise it prints false.
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If there is more than one or no argument the program should print nothing.
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When there is only one argument, it will always be a positive valid int.
Usage :
$ go run . 2 | cat -e
true$
$ go run . 64
true
$ go run . 513
false
$ go run .
$ go run . 64 1024
$