/in/foo.cc: In function 'bool judge(int, int)':
/in/foo.cc:21:8: error: expected ')' at end of input
     if(x
        ^
/in/foo.cc:21:8: error: expected statement at end of input
/in/foo.cc:21:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(x
     ^~
cc1plus: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
/in/foo.cc:21:8: error: expected '}' at end of input
     if(x
        ^
/in/foo.cc:21:8: warning: no return statement in function returning non-void [-Wreturn-type]