Compilare: user.cpp: In member function ‘int Trie::dfs(Nod*, int)’: user.cpp:69:5: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:90:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[50001]’ [-Wformat=] scanf("%s\n", &tmp); ^ user.cpp:85:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:90:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n", &tmp); ^ user.cpp: In function ‘int main()’: user.cpp:101:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.in", "r", stdin); ^ user.cpp:102:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.out", "w", stdout); ^