Compilare: user.cpp: In function 'void dijkstra(short unsigned int)': user.cpp:69: warning: comparison is always false due to limited range of data type user.cpp: In function 'int main()': user.cpp:111: warning: large integer implicitly truncated to unsigned type user.cpp:114: warning: comparison is always true due to limited range of data type /tmp/ccl8iUeK.o: In function `main': user.cpp:(.text+0x458): warning: the `gets' function is dangerous and should not be used.