Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:10: warning: variable 'num' set but not used [-Wunused-but-set-variable]
bool num=0;
^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:10: warning: variable 'num' set but not used [-Wunused-but-set-variable]
bool num=0;
^~~
