0_0_19215848_29932.cpp:6:1: error: stray '\312' in program
HDU 4919 Exclusive or 数学 - AOQNRMGYXLMV - 博客园
^
0_0_19215848_29932.cpp:6:1: error: stray '\375' in program
0_0_19215848_29932.cpp:6:1: error: stray '\321' in program
0_0_19215848_29932.cpp:6:1: error: stray '\247' in program
0_0_19215848_29932.cpp:6:1: error: stray '\262' in program
0_0_19215848_29932.cpp:6:1: error: stray '\251' in program
0_0_19215848_29932.cpp:6:1: error: stray '\277' in program
0_0_19215848_29932.cpp:6:1: error: stray '\315' in program
0_0_19215848_29932.cpp:6:1: error: stray '\324' in program
0_0_19215848_29932.cpp:6:1: error: stray '\260' in program
0_0_19215848_29932.cpp:28:1: error: stray '\304' in program
你发现了一只考研狗><
^
0_0_19215848_29932.cpp:28:1: error: stray '\343' in program
0_0_19215848_29932.cpp:28:1: error: stray '\267' in program
0_0_19215848_29932.cpp:28:1: error: stray '\242' in program
0_0_19215848_29932.cpp:28:1: error: stray '\317' in program
0_0_19215848_29932.cpp:28:1: error: stray '\326' in program
0_0_19215848_29932.cpp:28:1: error: stray '\301' in program
0_0_19215848_29932.cpp:28:1: error: stray '\313' in program
0_0_19215848_29932.cpp:28:1: error: stray '\322' in program
0_0_19215848_29932.cpp:28:1: error: stray '\273' in program
0_0_19215848_29932.cpp:28:1: error: stray '\326' in program
0_0_19215848_29932.cpp:28:1: error: stray '\273' in program
0_0_19215848_29932.cpp:28:1: error: stray '\277' in program
0_0_19215848_29932.cpp:28:1: error: stray '\274' in program
0_0_19215848_29932.cpp:28:1: error: stray '\321' in program
0_0_19215848_29932.cpp:28:1: error: stray '\320' in program
0_0_19215848_29932.cpp:28:1: error: stray '\271' in program
0_0_19215848_29932.cpp:28:1: error: stray '\267' in program
0_0_19215848_29932.cpp:37:1: error: stray '\262' in program
博客园
^
0_0_19215848_29932.cpp:37:1: error: stray '\251' in program
0_0_19215848_29932.cpp:37:1: error: stray '\277' in program
0_0_19215848_29932.cpp:37:1: error: stray '\315' in program
0_0_19215848_29932.cpp:37:1: error: stray '\324' in program
0_0_19215848_29932.cpp:37:1: error: stray '\260' in program
0_0_19215848_29932.cpp:38:1: error: stray '\312' in program
首页
^
0_0_19215848_29932.cpp:38:1: error: stray '\327' in program
0_0_19215848_29932.cpp:38:1: error: stray '\322' in program
0_0_19215848_29932.cpp:38:1: error: stray '\263' in program
0_0_19215848_29932.cpp:39:1: error: stray '\320' in program
新随笔
^
0_0_19215848_29932.cpp:39:1: error: stray '\302' in program
0_0_19215848_29932.cpp:39:1: error: stray '\313' in program
0_0_19215848_29932.cpp:39:1: error: stray '\346' in program
0_0_19215848_29932.cpp:39:1: error: stray '\261' in program
0_0_19215848_29932.cpp:39:1: error: stray '\312' in program
0_0_19215848_29932.cpp:40:1: error: stray '\301' in program
联系
^
0_0_19215848_29932.cpp:40:1: error: stray '\252' in program
0_0_19215848_29932.cpp:40:1: error: stray '\317' in program
0_0_19215848_29932.cpp:40:1: error: stray '\265' in program
0_0_19215848_29932.cpp:41:1: error: stray '\266' in program
订阅
^
0_0_19215848_29932.cpp:41:1: error: stray '\251' in program
0_0_19215848_29932.cpp:41:1: error: stray '\324' in program
0_0_19215848_29932.cpp:41:1: error: stray '\304' in program
0_0_19215848_29932.cpp:43:1: error: stray '\271' in program
管理
^
0_0_19215848_29932.cpp:43:1: error: stray '\334' in program
0_0_19215848_29932.cpp:43:1: error: stray '\300' in program
0_0_19215848_29932.cpp:43:1: error: stray '\355' in program
0_0_19215848_29932.cpp:48:1: error: stray '\313' in program
随笔 - 645
^
0_0_19215848_29932.cpp:48:1: error: stray '\346' in program
0_0_19215848_29932.cpp:48:1: error: stray '\261' in program
0_0_19215848_29932.cpp:48:1: error: stray '\312' in program
0_0_19215848_29932.cpp:49:1: error: stray '\316' in program
文章 - 3
^
0_0_19215848_29932.cpp:49:1: error: stray '\304' in program
0_0_19215848_29932.cpp:49:1: error: stray '\325' in program
0_0_19215848_29932.cpp:49:1: error: stray '\302' in program
0_0_19215848_29932.cpp:50:1: error: stray '\306' in program
评论 - 48
^
0_0_19215848_29932.cpp:50:1: error: stray '\300' in program
0_0_19215848_29932.cpp:50:1: error: stray '\302' in program
0_0_19215848_29932.cpp:50:1: error: stray '\333' in program
0_0_19215848_29932.cpp:66:4: error: stray '\312' in program
HDU 4919 Exclusive or 数学
^
0_0_19215848_29932.cpp:66:4: error: stray '\375' in program
0_0_19215848_29932.cpp:66:4: error: stray '\321' in program
0_0_19215848_29932.cpp:66:4: error: stray '\247' in program
0_0_19215848_29932.cpp:70:4: error: stray '\314' in program
题意：
^
0_0_19215848_29932.cpp:70:4: error: stray '\342' in program
0_0_19215848_29932.cpp:70:4: error: stray '\322' in program
0_0_19215848_29932.cpp:70:4: error: stray '\342' in program
0_0_19215848_29932.cpp:70:4: error: stray '\243' in program
0_0_19215848_29932.cpp:70:4: error: stray '\272' in program
0_0_19215848_29932.cpp:71:1: error: stray '\266' in program
定义
^
0_0_19215848_29932.cpp:71:1: error: stray '\250' in program
0_0_19215848_29932.cpp:71:1: error: stray '\322' in program
0_0_19215848_29932.cpp:71:1: error: stray '\345' in program
0_0_19215848_29932.cpp:72:1: error: stray '\' in program
\[f(n)=\sum\limits_{i=1}^{n-1}(i\oplus (n-i))\]
^
0_0_19215848_29932.cpp:72:1: error: stray '\' in program
0_0_19215848_29932.cpp:72:1: error: stray '\' in program
0_0_19215848_29932.cpp:72:1: error: stray '\' in program
0_0_19215848_29932.cpp:72:1: error: stray '\' in program
0_0_19215848_29932.cpp:73:1: error: stray '\307' in program
求\(f(n),n \leq 10^{500}\)
^
0_0_19215848_29932.cpp:73:1: error: stray '\363' in program
0_0_19215848_29932.cpp:73:1: error: stray '\' in program
0_0_19215848_29932.cpp:73:1: error: stray '\' in program
0_0_19215848_29932.cpp:73:1: error: stray '\' in program
0_0_19215848_29932.cpp:74:1: error: stray '\267' in program
分析：
^
0_0_19215848_29932.cpp:74:1: error: stray '\326' in program
0_0_19215848_29932.cpp:74:1: error: stray '\316' in program
0_0_19215848_29932.cpp:74:1: error: stray '\366' in program
0_0_19215848_29932.cpp:74:1: error: stray '\243' in program
0_0_19215848_29932.cpp:74:1: error: stray '\272' in program
0_0_19215848_29932.cpp:75:1: error: stray '\325' in program
这个数列对应OEIS的A006582
^
0_0_19215848_29932.cpp:75:1: error: stray '\342' in program
0_0_19215848_29932.cpp:75:1: error: stray '\270' in program
0_0_19215848_29932.cpp:75:1: error: stray '\366' in program
0_0_19215848_29932.cpp:75:1: error: stray '\312' in program
0_0_19215848_29932.cpp:75:1: error: stray '\375' in program
0_0_19215848_29932.cpp:75:1: error: stray '\301' in program
0_0_19215848_29932.cpp:75:1: error: stray '\320' in program
0_0_19215848_29932.cpp:75:1: error: stray '\266' in program
0_0_19215848_29932.cpp:75:1: error: stray '\324' in program
0_0_19215848_29932.cpp:75:1: error: stray '\323' in program
0_0_19215848_29932.cpp:75:1: error: stray '\246' in program
0_0_19215848_29932.cpp:75:1: error: stray '\265' in program
0_0_19215848_29932.cpp:75:1: error: stray '\304' in program
0_0_19215848_29932.cpp:76:1: error: stray '\317' in program
先上公式：
^
0_0_19215848_29932.cpp:76:1: error: stray '\310' in program
0_0_19215848_29932.cpp:76:1: error: stray '\311' in program
0_0_19215848_29932.cpp:76:1: error: stray '\317' in program
0_0_19215848_29932.cpp:76:1: error: stray '\271' in program
0_0_19215848_29932.cpp:76:1: error: stray '\253' in program
0_0_19215848_29932.cpp:76:1: error: stray '\312' in program
0_0_19215848_29932.cpp:76:1: error: stray '\275' in program
0_0_19215848_29932.cpp:76:1: error: stray '\243' in program
0_0_19215848_29932.cpp:76:1: error: stray '\272' in program
0_0_19215848_29932.cpp:77:1: error: stray '\' in program
\[f(n)=\left\{\begin{matrix}
^
0_0_19215848_29932.cpp:77:1: error: stray '\' in program
0_0_19215848_29932.cpp:77:1: error: stray '\' in program
0_0_19215848_29932.cpp:77:1: error: stray '\' in program
0_0_19215848_29932.cpp:78:1: error: stray '\' in program
4f(k)+6k,n=2k+1\\
^
0_0_19215848_29932.cpp:80:1: error: stray '\' in program
\end{matrix}\right.\]
^
0_0_19215848_29932.cpp:80:1: error: stray '\' in program
0_0_19215848_29932.cpp:80:1: error: stray '\' in program
0_0_19215848_29932.cpp:81:1: error: stray '\265' in program
递推的思路就是虽然不知道两个数的异或值，但是如果知道这两个数的奇偶性那么结果的奇偶性也就知道了。
^
0_0_19215848_29932.cpp:81:1: error: stray '\335' in program
0_0_19215848_29932.cpp:81:1: error: stray '\315' in program
0_0_19215848_29932.cpp:81:1: error: stray '\306' in program
0_0_19215848_29932.cpp:81:1: error: stray '\265' in program
0_0_19215848_29932.cpp:81:1: error: stray '\304' in program
0_0_19215848_29932.cpp:81:1: error: stray '\313' in program
0_0_19215848_29932.cpp:81:1: error: stray '\274' in program
0_0_19215848_29932.cpp:81:1: error: stray '\302' in program
0_0_19215848_29932.cpp:81:1: error: stray '\267' in program
0_0_19215848_29
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