oWuHen12的博客

题目链接：51nod 1773 sol: 关于fwt的学习可以看下面这篇大大的博客：https://www.cnblogs.com/cjyyb/p/9065615.html 这道题卡IO，用getchar加速就可以了，这里顺手放下自己从dls扒来的板子。 这里记录下自己的板子。 code: #include <bits/stdc++.h> using namesp...

题面：https://www.nowcoder.com/acm/contest/146/H 题目描述 Niuniu likes playing games. He has n piles of stones. The i-th pile has ai stones. He wants to play with his good friend, UinUin. Niuniu can choose...