C++
LeetCode: 985-Sum of Even Numbers After Queries 解題紀錄
題目
You are given an integer array nums
and an array queries
where queries[i] = [vali, indexi]
.
LeetCode: 609-Find Duplicated File in System 解題紀錄
題目
Given a list paths
of directory info, including the directory path, and all the files with contents in this directory, return all the duplicate files in the file system in terms of their paths. You may return the answer in any order.
LeetCode: 2007-Find Original Array From Doubled Array
題目
An integer array original
is transformed into a doubled array changed
by appending twice the value of every element in original
, and then randomly shuffling the resulting array.
LeetCode: 1457-Pseudo-Palindromic Paths in a Binary Tree 解題紀錄
題目
Given a binary tree where node values are digits from 1 to 9. A path in the binary tree is said to be pseudo-palindromic if at least one permutation of the node values in the path is a palindrome.
Read More »LeetCode: 1457-Pseudo-Palindromic Paths in a Binary Tree 解題紀錄LeetCode: 393-UTF-8 Validation 解題紀錄
題目
Given an integer array data
representing the data, return whether it is a valid UTF-8 encoding (i.e. it translates to a sequence of valid UTF-8 encoded characters).
LeetCode: 948-Bag of Tokens 解題紀錄
題目
You have an initial power of power
, an initial score of 0
, and a bag of tokens
where tokens[i]
is the value of the ith
token (0-indexed).
LeetCode: 1658-Minimum Operations to Reduce X to Zero 解題記錄
題目
You are given an integer array nums
and an integer x
. In one operation, you can either remove the leftmost or the rightmost element from the array nums
and subtract its value from x
. Note that this modifies the array for future operations.