code: added code for time complexity chapter

codes/javascript/chapter_computational_complexity/time_complexity.js

@@ -0,0 +1,21 @@
+/**
+ * File: time_complexity.js
+ * Created Time: 2023-01-02
+ * Author: RiverTwilight (contact@rene.wang)
+ */
+
+function algorithm_A(n) {
+	console.log(0);
+}
+// 算法 B 时间复杂度：线性阶
+function algorithm_B(n) {
+	for (var i = 0; i < n; i++) {
+		console.log(0);
+	}
+}
+// 算法 C 时间复杂度：常数阶
+function algorithm_C(n) {
+	for (var i = 0; i < 1000000; i++) {
+		console.log(0);
+	}
+}

codes/typescript/chapter_computational_complexity/time_complexity.ts

@@ -0,0 +1,22 @@
+/**
+ * File: time_complexity.ts
+ * Created Time: 2023-01-02
+ * Author: RiverTwilight (contact@rene.wang)
+ */
+
+// 算法 A 时间复杂度：常数阶
+function algorithm_A(n: number): void {
+	console.log(0);
+}
+// 算法 B 时间复杂度：线性阶
+function algorithm_B(n: number): void {
+	for (var i = 0; i < n; i++) {
+		console.log(0);
+	}
+}
+// 算法 C 时间复杂度：常数阶
+function algorithm_C(n: number): void {
+	for (var i = 0; i < 1000000; i++) {
+		console.log(0);
+	}
+}

docs/chapter_computational_complexity/time_complexity.md

@@ -233,7 +233,7 @@ $$
 
 === "JavaScript"
 
-    ```js title=""
+    ```js title="time_complexity.js"
     // 算法 A 时间复杂度：常数阶
     function algorithm_A(n) {
         console.log(0);
@@ -255,7 +255,7 @@ $$
 
 === "TypeScript"
 
-    ```typescript title=""
+    ```typescript title="time_complexity.ts"
     // 算法 A 时间复杂度：常数阶
     function algorithm_A(n: number): void {
         console.log(0);