feat: add typescript solution to lc problem: No.0050.Pow(x, n) (doocs#469)

zhaocchen · web-flow · commit 3c72728aef78 · 2021-06-22T14:04:59.000+08:00
diff --git a/solution/0000-0099/0050.Pow(x, n)/README.md b/solution/0000-0099/0050.Pow(x, n)/README.md
@@ -85,6 +85,25 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function myPow(x: number, n: number): number {
+    let res = 1;
+    if (n < 0) {
+        n = -n;
+        x = 1 / x;
+    }
+    for (let i = n; i != 0; i = Math.floor(i / 2)) {
+        if ((i & 1) == 1) {
+            res *= x;
+        }
+        x *= x;
+    }
+    return res;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0000-0099/0050.Pow(x, n)/README_EN.md b/solution/0000-0099/0050.Pow(x, n)/README_EN.md
@@ -75,6 +75,25 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function myPow(x: number, n: number): number {
+    let res = 1;
+    if (n < 0) {
+        n = -n;
+        x = 1 / x;
+    }
+    for (let i = n; i != 0; i = Math.floor(i / 2)) {
+        if ((i & 1) == 1) {
+            res *= x;
+        }
+        x *= x;
+    }
+    return res;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0000-0099/0050.Pow(x, n)/Solution.ts b/solution/0000-0099/0050.Pow(x, n)/Solution.ts
@@ -0,0 +1,14 @@
+function myPow(x: number, n: number): number {
+    let res = 1;
+    if (n < 0) {
+        n = -n;
+        x = 1 / x;
+    }
+    for (let i = n; i != 0; i = Math.floor(i / 2)) {
+        if ((i & 1) == 1) {
+            res *= x;
+        }
+        x *= x;
+    }
+    return res;
+};
