Compilare: user.cpp: In function 'int main()': user.cpp:81: warning: deprecated conversion from string constant to 'char*' user.cpp:104: warning: deprecated conversion from string constant to 'char*' user.cpp: In function 'int chooseShip(std::vector<int, std::allocator<int> >, int)': user.cpp:146: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void dijkstra(Graf*)': user.cpp:345: warning: comparison between signed and unsigned integer expressions user.cpp:354: warning: comparison between signed and unsigned integer expressions