Commit5214953

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refactor 342

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Original file line number	Diff line number	Diff line change
`@@ -5,8 +5,14 @@`
`5`	`5`	`*`
`6`	`6`	`* Given an integer (signed 32 bits), write a function to check whether it is a power of 4.`
`7`	`7`	`*`
`8`		`- * Example:`
`9`		`- * Given num = 16, return true. Given num = 5, return false.`
	`8`	`+ * Example 1:`
	`9`	`+ * Input: 16`
	`10`	`+ * Output: true`
	`11`	`+ *`
	`12`	`+ * Example 2:`
	`13`	`+ * Input: 5`
	`14`	`+ * Output: false`
	`15`	`+ *`
`10`	`16`	`* Follow up: Could you solve it without loops/recursion?`
`11`	`17`	`* */`
`12`	`18`	`publicclass_342 {`

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