feat: add typescript solution to lc problem: No.0503 (#886)

No.0503. Next Greater Element II

Author: caohonghai

solution/0500-0599/0503.Next Greater Element II/README.md

@@ -251,6 +251,27 @@ func nextGreaterElements(nums []int) []int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function nextGreaterElements(nums: number[]): number[] {
+    let stack: number[] = [],
+        len = nums.length;
+    let res: number[] = new Array(len).fill(-1);
+    for (let i = 0; i < 2 * len - 1; i++) {
+        while (
+            stack.length !== 0 &&
+            nums[stack[stack.length - 1]] < nums[i % len]
+        ) {
+            res[stack[stack.length - 1]] = nums[i % len];
+            stack.pop();
+        }
+        stack.push(i % len);
+    }
+    return res;
+}
+```
+
 ### **...**
 
 ```

solution/0500-0599/0503.Next Greater Element II/README_EN.md

@@ -239,6 +239,27 @@ func nextGreaterElements(nums []int) []int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function nextGreaterElements(nums: number[]): number[] {
+    let stack: number[] = [],
+        len = nums.length;
+    let res: number[] = new Array(len).fill(-1);
+    for (let i = 0; i < 2 * len - 1; i++) {
+        while (
+            stack.length !== 0 &&
+            nums[stack[stack.length - 1]] < nums[i % len]
+        ) {
+            res[stack[stack.length - 1]] = nums[i % len];
+            stack.pop();
+        }
+        stack.push(i % len);
+    }
+    return res;
+}
+```
+
 ### **...**
 
 ```

solution/0500-0599/0503.Next Greater Element II/Solution.ts

@@ -0,0 +1,16 @@
+function nextGreaterElements(nums: number[]): number[] {
+    let stack: number[] = [],
+        len = nums.length;
+    let res: number[] = new Array(len).fill(-1);
+    for (let i = 0; i < 2 * len - 1; i++) {
+        while (
+            stack.length !== 0 &&
+            nums[stack[stack.length - 1]] < nums[i % len]
+        ) {
+            res[stack[stack.length - 1]] = nums[i % len];
+            stack.pop();
+        }
+        stack.push(i % len);
+    }
+    return res;
+}