Compilare: user.cpp: In function ‘void insert_trie(nod*&, int)’: user.cpp:31: warning: array subscript has type ‘char’ user.cpp:32: warning: array subscript has type ‘char’ user.cpp:34: warning: array subscript has type ‘char’ user.cpp: In function ‘void cit()’: user.cpp:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:42: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void bfs()’: user.cpp:69: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rez()’: user.cpp:93: warning: array subscript has type ‘char’ user.cpp:94: warning: array subscript has type ‘char’ user.cpp:94: warning: array subscript has type ‘char’ user.cpp: In function ‘void anti_bfs()’: user.cpp:108: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:122: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:123: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result