Compilare: user.cpp: In function ‘void BFS()’: user.cpp:47:14: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘void AntiBFS()’: user.cpp:80:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 0 ; j < Node->S.size() ; ++j ) ^ user.cpp: In function ‘void AhoCorasick()’: user.cpp:89:14: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘int main()’: user.cpp:106:29: warning: format ‘%c’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100005]’ [-Wformat=] fscanf ( f , "%c" , &String); ^