Compilare: user.cpp: In function 'void dijkstra(short unsigned int)': user.cpp:68: warning: comparison is always false due to limited range of data type user.cpp: In function 'int main()': user.cpp:109: warning: large integer implicitly truncated to unsigned type user.cpp:112: warning: comparison is always true due to limited range of data type /tmp/ccaCOG4h.o: In function `main': user.cpp:(.text+0x45d): warning: the `gets' function is dangerous and should not be used.