acmer

摘要： 传送门 题目描述 Now given two integers x and y, you can reverse every consecutive three bits in arbitrary number’s binary form (any leading zero can be taken 阅读全文

摘要： UPC备战省赛组队训练赛第十七场 with zyd,mxl G: Greatest Common Divisor 题目描述 There is an array of length n, containing only positive numbers. Now you can add all num 阅读全文