Compilare: user.cpp: In function 'void insert(nod*, std::_Deque_iterator<char, char&, char*>)': user.cpp:26: warning: array subscript has type 'char' user.cpp:28: warning: array subscript has type 'char' user.cpp:29: warning: array subscript has type 'char' user.cpp:30: warning: array subscript has type 'char' user.cpp:32: warning: array subscript has type 'char' user.cpp:33: warning: array subscript has type 'char' user.cpp: In function 'int find(nod*, std::_Deque_iterator<char, char&, char*>)': user.cpp:40: warning: array subscript has type 'char' user.cpp:43: warning: array subscript has type 'char' user.cpp:43: warning: array subscript has type 'char' user.cpp: In function 'void solve()': user.cpp:64: warning: unused variable 'j' /tmp/ccQ0k3bG.o: In function `citire()': user.cpp:(.text+0x1b5): warning: the `gets' function is dangerous and should not be used.