0_0_20471507_11929.cpp:1:1: error: stray '\275' in program
2?SAT建图就是如果a与b矛盾（如果选择a就一定选择b')，建边a?>b'；
^
0_0_20471507_11929.cpp:1:1: error: stray '\250' in program
0_0_20471507_11929.cpp:1:1: error: stray '\315' in program
0_0_20471507_11929.cpp:1:1: error: stray '\274' in program
0_0_20471507_11929.cpp:1:1: error: stray '\276' in program
0_0_20471507_11929.cpp:1:1: error: stray '\315' in program
0_0_20471507_11929.cpp:1:1: error: stray '\312' in program
0_0_20471507_11929.cpp:1:1: error: stray '\307' in program
0_0_20471507_11929.cpp:1:1: error: stray '\310' in program
0_0_20471507_11929.cpp:1:1: error: stray '\347' in program
0_0_20471507_11929.cpp:1:1: error: stray '\271' in program
0_0_20471507_11929.cpp:1:1: error: stray '\373' in program
0_0_20471507_11929.cpp:1:1: error: stray '\323' in program
0_0_20471507_11929.cpp:1:1: error: stray '\353' in program
0_0_20471507_11929.cpp:1:1: error: stray '\303' in program
0_0_20471507_11929.cpp:1:1: error: stray '\254' in program
0_0_20471507_11929.cpp:1:1: error: stray '\266' in program
0_0_20471507_11929.cpp:1:1: error: stray '\334' in program
0_0_20471507_11929.cpp:1:1: error: stray '\243' in program
0_0_20471507_11929.cpp:1:1: error: stray '\250' in program
0_0_20471507_11929.cpp:1:1: error: stray '\310' in program
0_0_20471507_11929.cpp:1:1: error: stray '\347' in program
0_0_20471507_11929.cpp:1:1: error: stray '\271' in program
0_0_20471507_11929.cpp:1:1: error: stray '\373' in program
0_0_20471507_11929.cpp:1:1: error: stray '\321' in program
0_0_20471507_11929.cpp:1:1: error: stray '\241' in program
0_0_20471507_11929.cpp:1:1: error: stray '\324' in program
0_0_20471507_11929.cpp:1:1: error: stray '\361' in program
0_0_20471507_11929.cpp:1:1: error: stray '\276' in program
0_0_20471507_11929.cpp:1:1: error: stray '\315' in program
0_0_20471507_11929.cpp:1:1: error: stray '\322' in program
0_0_20471507_11929.cpp:1:1: error: stray '\273' in program
0_0_20471507_11929.cpp:1:1: error: stray '\266' in program
0_0_20471507_11929.cpp:1:1: error: stray '\250' in program
0_0_20471507_11929.cpp:1:1: error: stray '\321' in program
0_0_20471507_11929.cpp:1:1: error: stray '\241' in program
0_0_20471507_11929.cpp:1:1: error: stray '\324' in program
0_0_20471507_11929.cpp:1:1: error: stray '\361' in program
0_0_20471507_11929.cpp:1:1: error: stray '\243' in program
0_0_20471507_11929.cpp:1:1: error: stray '\273' in program
0_0_20471507_11929.cpp:2:1: error: stray '\272' in program
好题啊！！！！2?SAT+二分，，
^
0_0_20471507_11929.cpp:2:1: error: stray '\303' in program
0_0_20471507_11929.cpp:2:1: error: stray '\314' in program
0_0_20471507_11929.cpp:2:1: error: stray '\342' in program
0_0_20471507_11929.cpp:2:1: error: stray '\260' in program
0_0_20471507_11929.cpp:2:1: error: stray '\241' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\241' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\241' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\241' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\241' in program
0_0_20471507_11929.cpp:2:1: error: stray '\266' in program
0_0_20471507_11929.cpp:2:1: error: stray '\376' in program
0_0_20471507_11929.cpp:2:1: error: stray '\267' in program
0_0_20471507_11929.cpp:2:1: error: stray '\326' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\254' in program
0_0_20471507_11929.cpp:2:1: error: stray '\243' in program
0_0_20471507_11929.cpp:2:1: error: stray '\254' in program
0_0_20471507_11929.cpp:3:1: error: stray '\327' in program
做过几道这样的题了，这道题建图有点难，
^
0_0_20471507_11929.cpp:3:1: error: stray '\366' in program
0_0_20471507_11929.cpp:3:1: error: stray '\271' in program
0_0_20471507_11929.cpp:3:1: error: stray '\375' in program
0_0_20471507_11929.cpp:3:1: error: stray '\274' in program
0_0_20471507_11929.cpp:3:1: error: stray '\270' in program
0_0_20471507_11929.cpp:3:1: error: stray '\265' in program
0_0_20471507_11929.cpp:3:1: error: stray '\300' in program
0_0_20471507_11929.cpp:3:1: error: stray '\325' in program
0_0_20471507_11929.cpp:3:1: error: stray '\342' in program
0_0_20471507_11929.cpp:3:1: error: stray '\321' in program
0_0_20471507_11929.cpp:3:1: error: stray '\371' in program
0_0_20471507_11929.cpp:3:1: error: stray '\265' in program
0_0_20471507_11929.cpp:3:1: error: stray '\304' in program
0_0_20471507_11929.cpp:3:1: error: stray '\314' in program
0_0_20471507_11929.cpp:3:1: error: stray '\342' in program
0_0_20471507_11929.cpp:3:1: error: stray '\301' in program
0_0_20471507_11929.cpp:3:1: error: stray '\313' in program
0_0_20471507_11929.cpp:3:1: error: stray '\243' in program
0_0_20471507_11929.cpp:3:1: error: stray '\254' in program
0_0_20471507_11929.cpp:3:1: error: stray '\325' in program
0_0_20471507_11929.cpp:3:1: error: stray '\342' in program
0_0_20471507_11929.cpp:3:1: error: stray '\265' in program
0_0_20471507_11929.cpp:3:1: error: stray '\300' in program
0_0_20471507_11929.cpp:3:1: error: stray '\314' in program
0_0_20471507_11929.cpp:3:1: error: stray '\342' in program
0_0_20471507_11929.cpp:3:1: error: stray '\275' in program
0_0_20471507_11929.cpp:3:1: error: stray '\250' in program
0_0_20471507_11929.cpp:3:1: error: stray '\315' in program
0_0_20471507_11929.cpp:3:1: error: stray '\274' in program
0_0_20471507_11929.cpp:3:1: error: stray '\323' in program
0_0_20471507_11929.cpp:3:1: error: stray '\320' in program
0_0_20471507_11929.cpp:3:1: error: stray '\265' in program
0_0_20471507_11929.cpp:3:1: error: stray '\343' in program
0_0_20471507_11929.cpp:3:1: error: stray '\304' in program
0_0_20471507_11929.cpp:3:1: error: stray '\321' in program
0_0_20471507_11929.cpp:3:1: error: stray '\243' in program
0_0_20471507_11929.cpp:3:1: error: stray '\254' in program
0_0_20471507_11929.cpp:4:1: error: stray '\315' in program
通过这道题让我对2?SAT的矛盾关系有了更深的理解了，之前做过的几道这样的题：
^
0_0_20471507_11929.cpp:4:1: error: stray '\250' in program
0_0_20471507_11929.cpp:4:1: error: stray '\271' in program
0_0_20471507_11929.cpp:4:1: error: stray '\375' in program
0_0_20471507_11929.cpp:4:1: error: stray '\325' in program
0_0_20471507_11929.cpp:4:1: error: stray '\342' in program
0_0_20471507_11929.cpp:4:1: error: stray '\265' in program
0_0_20471507_11929.cpp:4:1: error: stray '\300' in program
0_0_20471507_11929.cpp:4:1: error: stray '\314' in program
0_0_20471507_11929.cpp:4:1: error: stray '\342' in program
0_0_20471507_11929.cpp:4:1: error: stray '\310' in program
0_0_20471507_11929.cpp:4:1: error: stray '\303' in program
0_0_20471507_11929.cpp:4:1: error: stray '\316' in program
0_0_20471507_11929.cpp:4:1: error: stray '\322' in program
0_0_20471507_11929.cpp:4:1: error: stray '\266' in program
0_0_20471507_11929.cpp:4:1: error: stray '\324' in program
0_0_20471507_11929.cpp:4:1: error: stray '\265' in program
0_0_20471507_11929.cpp:4:1: error: stray '\304' in program
0_0_20471507_11929.cpp:4:1: error: stray '\303' in program
0_0_20471507_11929.cpp:4:1: error: stray '\254' in program
0_0_20471507_11929.cpp:4:1: error: stray '\266' in program
0_0_20471507_11929.cpp:4:1: error: stray '\334' in program
0_0_20471507_11929.cpp:4:1: error: stray '\271' in program
0_0_20471507_11929.cpp:4:1: error: stray '\330' in program
0_0_20471507_11929.cpp:4:1: error: stray '\317' in program
0_0_20471507_11929.cpp:4:1: error: stray '\265' in program
0_0_20471507_11929.cpp:4:1: error: stray '\323' in program
0_0_20471507_11929.cpp:4:1: error: stray '\320' in program
0_0_20471507_11929.cpp:4:1: error: stray '\301' in program
0_0_20471507_11929.cpp:4:1: error: stray '\313' in program
0_0_20471507_11929.cpp:4:1: error: stray '\270' in program
0_0_20471507_11929.cpp:4:1: error: stray '\374' in program
0_0_20471507_11929.cpp:4:1: error: stray '\311' in program
0_0_20471507_11929.cpp:4:1: error: stray '\356' in program
0_0_20471507_11929.cpp:4:1: error: stray '\265' in program
0_0_20471507_11929.cpp:4:1: error: stray '\304' in program
0_0_20471507_11929.cpp:4:1: error: stray '\300' in program
0_0_20471507_11929.cpp:4:1: error: stray '\355' in program
0_0_20471507_11929.cpp:4:1: error: stray '\275' in program
0_0_20471507_11929.cpp:4:1: error: stray '\342' in program
0_0_20471507_11929.cpp:4:1: error: stray '\301' in program
0_0_20471507_11929.cpp:4:1: error: stray '\313' in program
0_0_20471507_11929.cpp:4:1: error: stray '\243' in program
0_0_20471507_11929.cpp:4:1: error: stray '\254' in program
0_0_20471507_11929.cpp:4:1: error: stray '\326' in program
0_0_20471507_11929.cpp:4:1: error: stray '\256' in program
0_0_20471507_11929.cpp:4:1: error: stray '\307' in program
0_0_204
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