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feat: add typescript solution to lc problem: No.2295

No.2295.Replace Elements in an Array

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Lines changed: 14 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,20 @@ func arrayChange(nums []int, operations [][]int) []int {`
`158`	`158`	`### TypeScript`
`159`	`159`
`160`	`160`	```ts
`161`		`-`
	`161`	`+function arrayChange(nums: number[], operations: number[][]): number[] {`
	`162`	`+ const n = nums.length;`
	`163`	`+ let hashMap = new Map(nums.map((v, i) => [v, i]));`
	`164`	`+ for (let [oldVal, newVal] of operations) {`
	`165`	`+ let idx = hashMap.get(oldVal);`
	`166`	`+ hashMap.delete(oldVal);`
	`167`	`+ hashMap.set(newVal, idx);`
	`168`	`+ }`
	`169`	`+ let ans = new Array(n);`
	`170`	`+ for (let [val, key] of hashMap.entries()) {`
	`171`	`+ ans[key] = val;`
	`172`	`+ }`
	`173`	`+ return ans;`
	`174`	`+};`
`162`	`175`	```
`163`	`176`
`164`	`177`	`### ...`

Lines changed: 14 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -148,7 +148,20 @@ func arrayChange(nums []int, operations [][]int) []int {`
`148`	`148`	`### TypeScript`
`149`	`149`
`150`	`150`	```ts
`151`		`-`
	`151`	`+function arrayChange(nums: number[], operations: number[][]): number[] {`
	`152`	`+ const n = nums.length;`
	`153`	`+ let hashMap = new Map(nums.map((v, i) => [v, i]));`
	`154`	`+ for (let [oldVal, newVal] of operations) {`
	`155`	`+ let idx = hashMap.get(oldVal);`
	`156`	`+ hashMap.delete(oldVal);`
	`157`	`+ hashMap.set(newVal, idx);`
	`158`	`+ }`
	`159`	`+ let ans = new Array(n);`
	`160`	`+ for (let [val, key] of hashMap.entries()) {`
	`161`	`+ ans[key] = val;`
	`162`	`+ }`
	`163`	`+ return ans;`
	`164`	`+};`
`152`	`165`	```
`153`	`166`
`154`	`167`	`### ...`

Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,14 @@`
	`1`	`+function arrayChange(nums: number[], operations: number[][]): number[] {`
	`2`	`+ const n = nums.length;`
	`3`	`+ let hashMap = new Map(nums.map((v, i) => [v, i]));`
	`4`	`+ for (let [oldVal, newVal] of operations) {`
	`5`	`+ let idx = hashMap.get(oldVal);`
	`6`	`+ hashMap.delete(oldVal);`
	`7`	`+ hashMap.set(newVal, idx);`
	`8`	`+ }`
	`9`	`+ let ans = new Array(n);`
	`10`	`+ for (let [val, key] of hashMap.entries()) {`
	`11`	`+ ans[key] = val;`
	`12`	`+ }`
	`13`	`+ return ans;`
	`14`	`+};`

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