Commit 5c904c7

committed

342

1 parent 9031f85 commit 5c904c7Copy full SHA for 5c904c7

File tree

+23

-0

lines changed

+23

-0

lines changed

Lines changed: 23 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,23 @@`
	`1`	`+<?php`
	`2`	`+class Solution`
	`3`	`+{`
	`4`	`+ /**`
	`5`	`+ * @param Integer $n`
	`6`	`+ * @return Boolean`
	`7`	`+ */`
	`8`	`+ public function isPowerOfFour($n)`
	`9`	`+ {`
	`10`	`+ if ($n < 1) {`
	`11`	`+ return false;`
	`12`	`+ }`
	`13`	`+ while ($n % 4 == 0) {`
	`14`	`+ $n /= 4;`
	`15`	`+ }`
	`16`	`+ return $n == 1;`
	`17`	`+ }`
	`18`	`+}`
	`19`	`+`
	`20`	`+$solution = new Solution();`
	`21`	`+var_dump($solution->isPowerOfFour(16)); // true`
	`22`	`+var_dump($solution->isPowerOfFour(5)); // false`
	`23`	`+var_dump($solution->isPowerOfFour(1)); // true`

Comments

(0)