4 月 2023

… Read More »LeetCode: 319-Bulb Switcher 解題紀錄

Last Updated on 2023-04-25 by Clay

題目

You have a set which contains all positive integers [1, 2, 3, 4, 5, ...].

Implement the SmallestInfiniteSet class:

Last Updated on 2023-04-18 by Clay

題目

You are given two strings word1 and word2. Merge the strings by adding letters in alternating order, starting with word1. If a string is longer than the other, append the additional letters onto the end of the merged string.

Last Updated on 2023-04-17 by Clay

題目

There are n kids with candies. You are given an integer array candies, where each candies[i] represents the number of candies the ith kid has, and an integer extraCandies, denoting the number of extra candies that you have.

Last Updated on 2023-04-13 by Clay

題目

Given two integer arrays pushed and popped each with distinct values, return true if this could have been the result of a sequence of push and pop operations on an initially empty stack, or false otherwise.

Last Updated on 2023-04-11 by Clay

題目

ou are given a string s, which contains stars *.

In one operation, you can:

Last Updated on 2023-04-09 by Clay

題目

There is a directed graph of n colored nodes and m edges. The nodes are numbered from 0 to n - 1.