How do I solve the Create Hello World Function problem?

To solve the Create Hello World Function problem, you need to create a function that always returns 'Hello World', regardless of the arguments passed to it.

What is the time complexity for the Create Hello World Function problem?

The time complexity is O(1) because the function always returns the same value and does not depend on input size or type.

What should I focus on when solving the Create Hello World Function problem?

Focus on returning a fixed value ('Hello World') from a function, regardless of the arguments. The pattern is about ignoring input and always producing the same output.

How do I handle arguments passed to the function?

You should ignore any arguments passed to the function and always return 'Hello World'. The input does not affect the output.

What are common mistakes when solving the Create Hello World Function problem?

Common mistakes include overcomplicating the solution, not returning the correct value, or accidentally incorporating logic that affects the returned value.

#2667

Easy

auto_awesomeCreate Hello World Function core interview pattern

LeetCode 题解工作台

创建 Hello World 函数

请你编写一个名为 createHelloWorld 的函数。它应该返回一个新的函数，该函数总是返回 "Hello World" 。示例 1：输入： args = [] 输出： "Hello World" 解释： const f = createHelloWorld(); f(); // "Hel…

题目描述

请你编写一个名为 createHelloWorld 的函数。它应该返回一个新的函数，该函数总是返回 "Hello World" 。

示例 1：

输入：args = []
输出："Hello World"
解释：
const f = createHelloWorld();
f(); // "Hello World"

createHelloWorld 返回的函数应始终返回 "Hello World"。

示例 2：

输入：args = [{},null,42]
输出："Hello World"
解释：
const f = createHelloWorld();
f({}, null, 42); // "Hello World"

可以传递任何参数给函数，但它应始终返回 "Hello World"。

提示：

0 <= args.length <= 10

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解题思路

方法一

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function createHelloWorld() {
    return function (...args): string {
        return 'Hello World';
    };
}

/**
 * const f = createHelloWorld();
 * f(); // "Hello World"
 */

speed

复杂度分析

指标	值
时间	Depends on the final approach
空间	Depends on the final approach

psychology

面试官常问的追问

外企场景

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Look for the candidate's understanding of function creation and returning another function.
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Check if they grasp how to ignore parameters and return a fixed value.
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Assess if they handle edge cases where arguments might be passed to the returned function.

warning

常见陷阱

外企场景

error
Overcomplicating the function logic or introducing unnecessary complexity.
error
Not returning the correct string or forgetting to return 'Hello World'.
error
Misunderstanding the problem and adding functionality that affects the returned value.

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进阶变体

外企场景

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Create a function that returns 'Hello Universe' instead of 'Hello World'.
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Modify the function to return a different string based on some internal logic while still ignoring parameters.
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Extend the function to handle and ignore different types of arguments (e.g., strings, objects, numbers).

help

常见问题

外企场景

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Create Hello World Function core interview pattern

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