/in/foo.cc:31:44: error: stray '\346' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                            ^
/in/foo.cc:31:45: error: stray '\243' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                             ^
/in/foo.cc:31:46: error: stray '\261' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                              ^
/in/foo.cc:31:47: error: stray '\345' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                               ^
/in/foo.cc:31:48: error: stray '\275' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                                ^
/in/foo.cc:31:49: error: stray '\251' in program
         k1=k*u/v, k2=min(k1,k-k1), k1=k-k2;棱彩 
                                                 ^