Compilare: user.cpp: In function 'int main()': user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dinamic()': user.cpp:104: warning: comparison between signed and unsigned integer expressions user.cpp:110: warning: comparison between signed and unsigned integer expressions user.cpp:111: warning: comparison between signed and unsigned integer expressions user.cpp:116: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Back(int, std::pair<int, int>)': user.cpp:130: warning: comparison between signed and unsigned integer expressions