Commit 1bb097d

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chore(docs): add comments

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+7797

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Lines changed: 1 addition & 1 deletion

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`@@ -165,7 +165,7 @@ Just as in the subject, use the imperative, present tense: "change" not "cha`
`165`	`165`	`The body should include the motivation for the change and contrast this with previous behavior.`
`166`	`166`
`167`	`167`	`### Footer`
`168`		`-The footer should contain any information about Breaking Changes and is also the place to`
	`168`	`+The footer should contain any information about BREAKING CHANGES and is also the place to`
`169`	`169`	`reference GitHub issues that this commit Closes.`
`170`	`170`
`171`	`171`	```

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`@@ -0,0 +1,34 @@`
	`1`	`+/eslint-disable /`
	`2`	`+`
	`3`	`+function reverse (arr, i, j) {`
	`4`	`+ while (i < j) {`
	`5`	`+ [arr[i], arr[j]] = [arr[j], arr[i]];`
	`6`	`+ i++;`
	`7`	`+ j--;`
	`8`	`+ }`
	`9`	`+}`
	`10`	`+`
	`11`	`+function backtracking(array, start = 0) {`
	`12`	`+ let permutations = [array];`
	`13`	`+`
	`14`	`+ for (let i = start; i < array.length - 1; i++) {`
	`15`	`+ for (let j = i + 1; j < array.length; j++) {`
	`16`	`+ reverse(array, i, j);`
	`17`	`+ permutations = permutations.concat(backtracking(array, i + 1));`
	`18`	`+ reverse(array, i, j);`
	`19`	`+ }`
	`20`	`+ }`
	`21`	`+`
	`22`	`+ return permutations;`
	`23`	`+}`
	`24`	`+`
	`25`	`+function minPermutations(arr) {`
	`26`	`+ return backtracking(arr);`
	`27`	`+}`
	`28`	`+`
	`29`	`+module.exports = minPermutations;`
	`30`	`+`
	`31`	`+//*/`
	`32`	`+// console.log(backtracking([1,2,3]));`
	`33`	`+// console.log(backtracking([1,2,3,4]));`
	`34`	`+//*/`

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	`1`	`+const fn = require('./min-permutations');`
	`2`	`+`
	`3`	`+describe('Min Permutations', () => {`
	`4`	`+ it('should work', () => {`
	`5`	`+ expect(fn([1,2,3])).toEqual();`
	`6`	`+ });`
	`7`	`+});`

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