Compilare: user.cpp: In function 'void djikstra(int, int)': user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:58: warning: comparison between signed and unsigned integer expressions user.cpp:63: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: 'poz' may be used uninitialized in this function