Runtime Error
/in/foo.cc: In function 'int main()':
/in/foo.cc:29:6: warning: unused variable 'maxn' [-Wunused-variable]
int maxn;
^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:29:6: warning: unused variable 'maxn' [-Wunused-variable]
int maxn;
^~~~
