Compilare: user.cpp: In function ‘void insert_trie(nod*&, int)’: user.cpp:33: warning: array subscript has type ‘char’ user.cpp:35: warning: array subscript has type ‘char’ user.cpp:38: warning: array subscript has type ‘char’ user.cpp: In function ‘void cit()’: user.cpp:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bfs1()’: user.cpp:68: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rez()’: user.cpp:90: warning: array subscript has type ‘char’ user.cpp:91: warning: array subscript has type ‘char’ user.cpp:91: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:123: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:124: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result