Contest 1. Odd String Difference Question(Easy) You are given an array of equal-length strings words. Assume that the length of each string is n. Each string words[i] can be converted into a di...

Contest Q1 (Easy) You are given an balabla. My solution during the contest Better solution Q2 (Middle) You are given an balabla. My solution during the contest Better solution Q3...

Test Post It’s my first post.

Covid lockdowns and constant surveillance probably do not help It is no surprise that demand for psychotherapy is increasing in China. Take the residents of Shanghai, who recently suffered throu...

Online searches for words related to emigrating have spiked Late last month China’s central propaganda department announced a new campaign: “The Strong Nation’s Rejuvenation Has Me”. The goal of...