Accepted
/in/foo.cc: In function 'void dfs1(int, int)':
/in/foo.cc:19:7: warning: variable 'hahaha' set but not used [-Wunused-but-set-variable]
int hahaha[100005];
^
/in/foo.cc: In function 'void dfs1(int, int)':
/in/foo.cc:19:7: warning: variable 'hahaha' set but not used [-Wunused-but-set-variable]
int hahaha[100005];
^
