0_0_20931521_30479.cpp:1:1: error: stray '\270' in program
刚开始我还很怀疑我的想法，后来百度没发现题解，看到discuss里面说数据很弱，于是我就大胆的写了个暴力,每次枚举一个点找到一次到合法终点的合法
^
0_0_20931521_30479.cpp:1:1: error: stray '\325' in program
0_0_20931521_30479.cpp:1:1: error: stray '\277' in program
0_0_20931521_30479.cpp:1:1: error: stray '\252' in program
0_0_20931521_30479.cpp:1:1: error: stray '\312' in program
0_0_20931521_30479.cpp:1:1: error: stray '\274' in program
0_0_20931521_30479.cpp:1:1: error: stray '\316' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\273' in program
0_0_20931521_30479.cpp:1:1: error: stray '\271' in program
0_0_20931521_30479.cpp:1:1: error: stray '\272' in program
0_0_20931521_30479.cpp:1:1: error: stray '\334' in program
0_0_20931521_30479.cpp:1:1: error: stray '\273' in program
0_0_20931521_30479.cpp:1:1: error: stray '\263' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\311' in program
0_0_20931521_30479.cpp:1:1: error: stray '\316' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\304' in program
0_0_20931521_30479.cpp:1:1: error: stray '\317' in program
0_0_20931521_30479.cpp:1:1: error: stray '\353' in program
0_0_20931521_30479.cpp:1:1: error: stray '\267' in program
0_0_20931521_30479.cpp:1:1: error: stray '\250' in program
0_0_20931521_30479.cpp:1:1: error: stray '\243' in program
0_0_20931521_30479.cpp:1:1: error: stray '\254' in program
0_0_20931521_30479.cpp:1:1: error: stray '\272' in program
0_0_20931521_30479.cpp:1:1: error: stray '\363' in program
0_0_20931521_30479.cpp:1:1: error: stray '\300' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\260' in program
0_0_20931521_30479.cpp:1:1: error: stray '\331' in program
0_0_20931521_30479.cpp:1:1: error: stray '\266' in program
0_0_20931521_30479.cpp:1:1: error: stray '\310' in program
0_0_20931521_30479.cpp:1:1: error: stray '\303' in program
0_0_20931521_30479.cpp:1:1: error: stray '\273' in program
0_0_20931521_30479.cpp:1:1: error: stray '\267' in program
0_0_20931521_30479.cpp:1:1: error: stray '\242' in program
0_0_20931521_30479.cpp:1:1: error: stray '\317' in program
0_0_20931521_30479.cpp:1:1: error: stray '\326' in program
0_0_20931521_30479.cpp:1:1: error: stray '\314' in program
0_0_20931521_30479.cpp:1:1: error: stray '\342' in program
0_0_20931521_30479.cpp:1:1: error: stray '\275' in program
0_0_20931521_30479.cpp:1:1: error: stray '\342' in program
0_0_20931521_30479.cpp:1:1: error: stray '\243' in program
0_0_20931521_30479.cpp:1:1: error: stray '\254' in program
0_0_20931521_30479.cpp:1:1: error: stray '\277' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\275' in program
0_0_20931521_30479.cpp:1:1: error: stray '\300' in program
0_0_20931521_30479.cpp:1:1: error: stray '\357' in program
0_0_20931521_30479.cpp:1:1: error: stray '\303' in program
0_0_20931521_30479.cpp:1:1: error: stray '\346' in program
0_0_20931521_30479.cpp:1:1: error: stray '\313' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\312' in program
0_0_20931521_30479.cpp:1:1: error: stray '\375' in program
0_0_20931521_30479.cpp:1:1: error: stray '\276' in program
0_0_20931521_30479.cpp:1:1: error: stray '\335' in program
0_0_20931521_30479.cpp:1:1: error: stray '\272' in program
0_0_20931521_30479.cpp:1:1: error: stray '\334' in program
0_0_20931521_30479.cpp:1:1: error: stray '\310' in program
0_0_20931521_30479.cpp:1:1: error: stray '\365' in program
0_0_20931521_30479.cpp:1:1: error: stray '\243' in program
0_0_20931521_30479.cpp:1:1: error: stray '\254' in program
0_0_20931521_30479.cpp:1:1: error: stray '\323' in program
0_0_20931521_30479.cpp:1:1: error: stray '\332' in program
0_0_20931521_30479.cpp:1:1: error: stray '\312' in program
0_0_20931521_30479.cpp:1:1: error: stray '\307' in program
0_0_20931521_30479.cpp:1:1: error: stray '\316' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\276' in program
0_0_20931521_30479.cpp:1:1: error: stray '\315' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\363' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\250' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\304' in program
0_0_20931521_30479.cpp:1:1: error: stray '\320' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\301' in program
0_0_20931521_30479.cpp:1:1: error: stray '\313' in program
0_0_20931521_30479.cpp:1:1: error: stray '\270' in program
0_0_20931521_30479.cpp:1:1: error: stray '\366' in program
0_0_20931521_30479.cpp:1:1: error: stray '\261' in program
0_0_20931521_30479.cpp:1:1: error: stray '\251' in program
0_0_20931521_30479.cpp:1:1: error: stray '\301' in program
0_0_20931521_30479.cpp:1:1: error: stray '\246' in program
0_0_20931521_30479.cpp:1:1: error: stray '\303' in program
0_0_20931521_30479.cpp:1:1: error: stray '\277' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\316' in program
0_0_20931521_30479.cpp:1:1: error: stray '\303' in program
0_0_20931521_30479.cpp:1:1: error: stray '\266' in program
0_0_20931521_30479.cpp:1:1: error: stray '\276' in program
0_0_20931521_30479.cpp:1:1: error: stray '\331' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\273' in program
0_0_20931521_30479.cpp:1:1: error: stray '\270' in program
0_0_20931521_30479.cpp:1:1: error: stray '\366' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\343' in program
0_0_20931521_30479.cpp:1:1: error: stray '\325' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\275' in program
0_0_20931521_30479.cpp:1:1: error: stray '\322' in program
0_0_20931521_30479.cpp:1:1: error: stray '\273' in program
0_0_20931521_30479.cpp:1:1: error: stray '\264' in program
0_0_20931521_30479.cpp:1:1: error: stray '\316' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\275' in program
0_0_20931521_30479.cpp:1:1: error: stray '\272' in program
0_0_20931521_30479.cpp:1:1: error: stray '\317' in program
0_0_20931521_30479.cpp:1:1: error: stray '\267' in program
0_0_20931521_30479.cpp:1:1: error: stray '\250' in program
0_0_20931521_30479.cpp:1:1: error: stray '\326' in program
0_0_20931521_30479.cpp:1:1: error: stray '\325' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\343' in program
0_0_20931521_30479.cpp:1:1: error: stray '\265' in program
0_0_20931521_30479.cpp:1:1: error: stray '\304' in program
0_0_20931521_30479.cpp:1:1: error: stray '\272' in program
0_0_20931521_30479.cpp:1:1: error: stray '\317' in program
0_0_20931521_30479.cpp:1:1: error: stray '\267' in program
0_0_20931521_30479.cpp:1:1: error: stray '\250' in program
0_0_20931521_30479.cpp:2:1: error: stray '\302' in program
路径是，结束dfs，简单暴力代码如下
^
0_0_20931521_30479.cpp:2:1: error: stray '\267' in program
0_0_20931521_30479.cpp:2:1: error: stray '\276' in program
0_0_20931521_30479.cpp:2:1: error: stray '\266' in program
0_0_20931521_30479.cpp:2:1: error: stray '\312' in program
0_0_20931521_30479.cpp:2:1: error: stray '\307' in program
0_0_20931521_30479.cpp:2:1: error: stray '\243' in program
0_0_20931521_30479.cpp:2:1: error: stray '\254' in program
0_0_20931521_30479.cpp:2:1: error: stray '\275' in program
0_0_20931521_30479.cpp:2:1: error: stray '\341' in program
0_0_20931521_30479.cpp:2:1: error: stray '\312' in program
0_0_20931521_30479.cpp:2:1: error: stray '\370' in program
0_0_20931521_30479.cpp:2:1: error: stray '\243' in program
0_0_20931521_30479.cpp:2:1: error: stray '\254' in program
0_0_20931521_30479.cpp:2:1: error: stray '\274' in program
0_0_20931521_30479.cpp:2:1: error: stray '\362' in program
0_0_20931521_30479.cpp:2:1: error: stray '\265' in program
0_0_20931521_30479.cpp:2:1: error: stray '\245' in program
0_0_20931521_30479.cpp:2:1: error: stray '\261' in program
0_0_20931521_30479.cpp:2:1: error: stray '\251' in pr
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