Compilare: main.cpp: In function 'int main()': main.cpp:34:10: warning: variable 'ch' set but not used [-Wunused-but-set-variable] 34 | char ch; | ^~ main.cpp: In function 'int runthrough(trie*, char*)': main.cpp:69:1: warning: no return statement in function returning non-void [-Wreturn-type] 69 | } | ^