Compilare: user.cpp: In function ‘char* cauta(Trie*, char*)’: user.cpp:56:11: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:53:25: warning: unused variable ‘RR’ [-Wunused-variable] int k=-1,R=-1000000,RR,i; ^ user.cpp: In function ‘void update_query(int)’: user.cpp:107:32: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[33]’ [-Wformat=] scanf("%c %s",&op,&nume); ^ user.cpp: In function ‘int main()’: user.cpp:123:13: warning: unused variable ‘i’ [-Wunused-variable] int nrt,i,NrPers,NrQuery; ^ user.cpp:124:10: warning: unused variable ‘nume’ [-Wunused-variable] char nume[33]; ^ /tmp/ccMRcYKZ.o: In function `citeste(int)': user.cpp:(.text+0x32f): warning: the `gets' function is dangerous and should not be used.