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被打上「石乐志」标签的文章是彻底属于“闲扯”的存在 感觉时间过去足够长了,把之前糊概率作业的小玩意拿出来。实际上东西不多,但是众所周知,作业能

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Little Mishka enjoys programming. Since her birthday has just passed, her friends decided to present her with array of non-negative integers a1, a2, …, an of n elements! Mishka loved the array and she instantly decided to determine its beauty value, but she is too little and can’t process large arrays. Right because of that she invited you to visit her and asked you to process m queries. Each query