Compilare: user.cpp: In function ‘void insert_trie(nod*&, int)’: user.cpp:31: warning: array subscript has type ‘char’ user.cpp:33: warning: array subscript has type ‘char’ user.cpp:36: warning: array subscript has type ‘char’ user.cpp: In function ‘void cit()’: user.cpp:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bfs1()’: user.cpp:70: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rez()’: user.cpp:92: warning: array subscript has type ‘char’ user.cpp:93: warning: array subscript has type ‘char’ user.cpp:93: warning: array subscript has type ‘char’ user.cpp: In function ‘void bfs2()’: user.cpp:108: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void afi()’: user.cpp:139: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:150: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:151: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result