Compilare: user.cpp: In function ‘int main()’: user.cpp:34:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[2002]’ [-Wformat=] scanf("%s",&A); ^ user.cpp: In function ‘void addWord(Trie*, char*)’: user.cpp:64:18: warning: NULL used in arithmetic [-Wpointer-arith] if ( s[0] == NULL ) ^ user.cpp: In function ‘bool Ok(int)’: user.cpp:100:9: warning: variable ‘VR’ set but not used [-Wunused-but-set-variable] int VR; ^ user.cpp: In function ‘int main()’: user.cpp:28:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ratina.in","r",stdin); ^ user.cpp:29:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ratina.out","w",stdout); ^ user.cpp:30:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i%i",&N,&Q); ^ user.cpp:34:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&A); ^ user.cpp:47:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i",&len); ^ user.cpp:50:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i",&S); ^