Compilare: user.cpp: In function ‘void ve()’: user.cpp:15:16: warning: overflow in implicit constant conversion [-Woverflow] dist[i]=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:26:18: warning: ‘ne’ may be used uninitialized in this function [-Wmaybe-uninitialized] exp[ne]=1; ^