Codeforces Round #661 (Div. 3) B. Gifts Fixing（思維）
You have n gifts and you want to give all of them to children. Of course, you don't want to offend a ...
原文：Codeforces Round #694 (Div. 2) B. Strange List
B. Strange List 題目分析 題意：給你一個長度為n的數組和一個數字x，從第一個元素開始，如果改元素q能被x整除，那么將就在數組后面新增x個 q x ，直到遇到的元素不能被x整除，求最后數組的元素之和 讓我們從樣例開始入手分析：樣例中的第一個情況數組a為 ，x為 ，數組最終變成了 , , , , , , 。我們可以發現其中的 , 的和為 ， , , , 的和也為 。 之后再看一下第二個 ...
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