Compilare: user.cpp: In function ‘void ve()’: user.cpp:4:12: warning: overflow in implicit constant conversion [-Woverflow] # define M 100000000000 ^ user.cpp:13:12: note: in expansion of macro ‘M’ int mi=M,ne; ^ user.cpp:15:16: warning: overflow in implicit constant conversion [-Woverflow] dist[i]=M; ^ user.cpp:19:11: warning: overflow in implicit constant conversion [-Woverflow] mi=M; ^ user.cpp: In function ‘int main()’: user.cpp:38:21: warning: overflow in implicit constant conversion [-Woverflow] gr[i][j]=M; ^ user.cpp: In function ‘void ve()’: user.cpp:29:23: warning: ‘ne’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(dist[ne]+gr[ne][i]<dist[i]) ^