/in/foo.cc: In function 'int zhenghe(int, int*, int)':
/in/foo.cc:33:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int zhaozuiduo(int*, int)':
/in/foo.cc:22:12: warning: 'most' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return most;
            ^~~~