LeetCode: Two Sum (Solution in Python & Explanation) In this article, I will be explaining how to solve the Two Sum problem on LeetCode. This is an Easy-level question for Arrays. The Problem Given an array of integersnumsand an integertarget, returnindices of the two numbers such that ...
fill(mapStatus2Index, -2); // 0 表示 0 0 0 0 0,在遍历之前所有元音字母的个数都是0,都是偶数,所以全0状态对应的值为-1 mapStatus2Index[0] = -1; int curStatus = 0; int res = 0; for (int i = 0; i < s.length(); i++) { char chr = s....