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

No.2295.Replace Elements in an Array

Author: zhaocchen

solution/2200-2299/2295.Replace Elements in an Array/README.md

@@ -158,7 +158,20 @@ func arrayChange(nums []int, operations [][]int) []int {
 ### **TypeScript**
 
 ```ts
-
+function arrayChange(nums: number[], operations: number[][]): number[] {
+    const n = nums.length;
+    let hashMap = new Map(nums.map((v, i) => [v, i]));
+    for (let [oldVal, newVal] of operations) {
+        let idx = hashMap.get(oldVal);
+        hashMap.delete(oldVal);
+        hashMap.set(newVal, idx);
+    }
+    let ans = new Array(n);
+    for (let [val, key] of hashMap.entries()) {
+        ans[key] = val;
+    }
+    return ans;
+};
 ```
 
 ### **...**

solution/2200-2299/2295.Replace Elements in an Array/README_EN.md

@@ -148,7 +148,20 @@ func arrayChange(nums []int, operations [][]int) []int {
 ### **TypeScript**
 
 ```ts
-
+function arrayChange(nums: number[], operations: number[][]): number[] {
+    const n = nums.length;
+    let hashMap = new Map(nums.map((v, i) => [v, i]));
+    for (let [oldVal, newVal] of operations) {
+        let idx = hashMap.get(oldVal);
+        hashMap.delete(oldVal);
+        hashMap.set(newVal, idx);
+    }
+    let ans = new Array(n);
+    for (let [val, key] of hashMap.entries()) {
+        ans[key] = val;
+    }
+    return ans;
+};
 ```
 
 ### **...**

solution/2200-2299/2295.Replace Elements in an Array/Solution.ts

@@ -0,0 +1,14 @@
+function arrayChange(nums: number[], operations: number[][]): number[] {
+    const n = nums.length;
+    let hashMap = new Map(nums.map((v, i) => [v, i]));
+    for (let [oldVal, newVal] of operations) {
+        let idx = hashMap.get(oldVal);
+        hashMap.delete(oldVal);
+        hashMap.set(newVal, idx);
+    }
+    let ans = new Array(n);
+    for (let [val, key] of hashMap.entries()) {
+        ans[key] = val;
+    }
+    return ans;
+};