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Commit 3816dca

ExploitEngineer ExploitEngineer

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feat: add Topic5 advanced array question

add question: left rotation by 1 element

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Topic5
- index.js

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`‎Topic5/index.js`

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Original file line number	Diff line number	Diff line change
`@@ -116,3 +116,13 @@ while (e < arr10.length) {`
`116`	`116`	`e++;`
`117`	`117`	`}`
`118`	`118`	`console.log(arr10);`
	`119`	`+`
	`120`	`+// left rotation by 1 element`
	`121`	`+let arr11 = [1, 2, 3, 4];`
	`122`	`+let copy = arr11[0];`
	`123`	`+`
	`124`	`+for (let i = 0; i < arr11.length - 1; i++) {`
	`125`	`+ arr11[i] = arr11[i + 1];`
	`126`	`+}`
	`127`	`+arr11[arr11.length - 1] = copy;`
	`128`	`+console.log(arr11);`

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