Compilare: user.cpp: In function 'void baga_trie(char*)': user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:43: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void cauta_trie(char*)': user.cpp:58: warning: comparison between signed and unsigned integer expressions user.cpp:67: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:91: warning: too few arguments for format