Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:76:16: note: in expansion of macro ‘INF’ d[i] = INF; ^ user.cpp: In function ‘int main()’: user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:150:27: note: in expansion of macro ‘INF’ cost2[i][j] = INF; ^ user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:151:43: note: in expansion of macro ‘INF’ if(c[i] != c[j] && d[c[j]] != INF) ^ user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:173:23: note: in expansion of macro ‘INF’ a[i][j] = INF; ^ user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:193:36: note: in expansion of macro ‘INF’ if((cost2[l][j] != INF) && ((i - (1 << j)) & (1 << l)) && a[i - (1 << j)][l] != INF) ^ user.cpp:8:25: warning: integer overflow in expression [-Woverflow] #define INF (1 << 31) - 1 ^ user.cpp:193:97: note: in expansion of macro ‘INF’ if((cost2[l][j] != INF) && ((i - (1 << j)) & (1 << l)) && a[i - (1 << j)][l] != INF) ^