Commit 4cb4383

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update: 47

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`@@ -41,6 +41,7 @@ This is the solutions collection of my LeetCode submissions, most of them are pr`
`41`	`41`	`\| 43 \| [Multiply Strings](https://leetcode.com/problems/multiply-strings/) \| [JavaScript](./src/multiply-strings/res.js) \| Medium \|`
`42`	`42`	`\| 45 \| [Jump Game II](https://leetcode.com/problems/jump-game-ii/) \| [JavaScript](./src/jump-game-ii/res.js) \| Hard \|`
`43`	`43`	`\| 46 \| [Permutations](https://leetcode.com/problems/permutations/) \| [JavaScript](./src/permutations/res.js) \| Medium \|`
	`44`	`+\| 47 \| [permutations-ii](https://leetcode.com/problems/permutations-ii/) \| [TypeScript](./src/permutations-ii/res.ts) \| Medium \|`
`44`	`45`	`\| 48 \| [Rotate Image](https://leetcode.com/problems/rotate-image/) \| [JavaScript](./src/rotate-image/res.js) \| Medium \|`
`45`	`46`	`\| 49 \| [Group Anagrams](https://leetcode.com/problems/anagrams/) \| [JavaScript](./src/anagrams/res.js) \| Medium \|`
`46`	`47`	`\| 50 \| [powx-n](https://leetcode.com/problems/powx-n/) \| [TypeScript](./src/powx-n/res.ts) \| Medium \|`

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`@@ -0,0 +1,47 @@`
	`1`	`+function getUniqueList(numsCountMap: { [key in number]: number }): number[][] {`
	`2`	`+ const result: number[][] = [];`
	`3`	`+`
	`4`	`+ const keys = Object.keys(numsCountMap);`
	`5`	`+`
	`6`	`+ keys.forEach((key) => {`
	`7`	`+ // @ts-ignore`
	`8`	`+ const currentCount = numsCountMap[key];`
	`9`	`+ const currentNum = Number(key);`
	`10`	`+`
	`11`	`+ if (currentCount) {`
	`12`	`+ const newNumsCountMap = { ...numsCountMap };`
	`13`	`+ newNumsCountMap[key]--;`
	`14`	`+ for (let newKey in newNumsCountMap) {`
	`15`	`+ if (!newNumsCountMap[newKey]) {`
	`16`	`+ delete newNumsCountMap[newKey];`
	`17`	`+ }`
	`18`	`+ }`
	`19`	`+`
	`20`	`+ const uniqueList = getUniqueList(newNumsCountMap);`
	`21`	`+`
	`22`	`+ if (!uniqueList.length) {`
	`23`	`+ result.push([currentNum]);`
	`24`	`+ } else {`
	`25`	`+ uniqueList.forEach((item) => {`
	`26`	`+ result.push([currentNum, ...item]);`
	`27`	`+ });`
	`28`	`+ }`
	`29`	`+ }`
	`30`	`+ })`
	`31`	`+`
	`32`	`+ return result;`
	`33`	`+}`
	`34`	`+`
	`35`	`+function permuteUnique(nums: number[]): number[][] {`
	`36`	`+ const numsCountMap: { [key in number]: number } = {};`
	`37`	`+ nums.sort((a, b) => a - b);`
	`38`	`+ nums.forEach((num, index) => {`
	`39`	`+ numsCountMap[num] = numsCountMap[num] ? numsCountMap[num] + 1 : 1;`
	`40`	`+ });`
	`41`	`+`
	`42`	`+ if (nums.length <= 1) {`
	`43`	`+ return [nums];`
	`44`	`+ }`
	`45`	`+`
	`46`	`+ return getUniqueList(numsCountMap);`
	`47`	`+};`

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