Inputs: two integers in [0, 9,999,999,999]
Wave of strikes comes after Taliban forces attack Pakistani border troops following earlier action from Islamabad，这一点在Line官方版本下载中也有详细论述
Sometimes as a child I had trouble falling asleep. But from age 11 and through my early teenage years, recreating the film Mamma Mia! in my head frame-by-frame was my remedy. Running each line of dialogue through my mind and bringing to life the colour of the characters’ clothes, usually by the time they arrive flustered from their journey, I would drift off.，详情可参考51吃瓜
const realIdx = i % len; // 取模映射到真实数组索引，模拟循环。关于这个话题，旺商聊官方下载提供了深入分析
Author(s): Mona Vishwakarma, Debdip Bhandary