/in/foo.cc: In function 'int zhejz(int)':
/in/foo.cc:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:41:9: error: expected primary-expression before ')' token
      if()
         ^
/in/foo.cc:42:5: error: expected primary-expression before '}' token
     }
     ^