690

Author: HuangChengtuo

playground.js

@@ -0,0 +1,19 @@
+const api = new Promise((reslove, reject) => {
+  setTimeout(() => { reslove('ok') }, 1000)
+})
+
+const arr = new Array(5)
+
+async function fn() {
+  for (let i = 0; i < 5; i++) {
+    api.then(res => {
+      arr[i] = res
+    })
+  }
+}
+
+fn()
+
+setTimeout(() => {
+  console.log(arr)
+}, 10000)

problems/690.ts

@@ -0,0 +1,37 @@
+class Employee {
+  id: number
+  importance: number
+  subordinates: number[]
+  constructor(id: number, importance: number, subordinates: number[]) {
+    this.id = (id === undefined) ? 0 : id;
+    this.importance = (importance === undefined) ? 0 : importance;
+    this.subordinates = (subordinates === undefined) ? [] : subordinates;
+  }
+}
+
+function getImportance(employees: Employee[], id: number): number {
+  let sum = 0
+
+  const map: Map<number, Employee> = new Map()
+  for (const item of employees) {
+    map.set(item.id, item)
+  }
+  const fn = (id: number) => {
+    const employee = map.get(id)
+    sum += employee.importance
+    for (const item of employee.subordinates) {
+      fn(item)
+    }
+  }
+  fn(id)
+  return sum
+};
+
+export default function () {
+  const a = new Employee(1, 5, [2, 3])
+  console.log(getImportance([
+    new Employee(1, 5, [2, 3]),
+    new Employee(2, 3, []),
+    new Employee(3, 3, [])
+  ], 1))
+}

ts.ts

@@ -1,4 +1,4 @@
-import fn from './problems/897'
+import fn from './problems/690'
 
 fn()
 

tsconfig.json

@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "target": "ESNext"
+  }
+}