Compilare: user.cpp:8: warning: ignoring #pragma region Read user.cpp:59: warning: ignoring #pragma endregion user.cpp: In function 'int dijkstra(int, int)': user.cpp:78: warning: comparison between signed and unsigned integer expressions user.cpp:82: warning: comparison between signed and unsigned integer expressions user.cpp:85: warning: comparison between signed and unsigned integer expressions user.cpp:92: warning: comparison between signed and unsigned integer expressions /tmp/ccTteHCK.o: In function `main': user.cpp:(.text+0x466): warning: the `gets' function is dangerous and should not be used.