Compilare: user.cpp: In function ‘int main()’: user.cpp:65:66: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(!v[b.x][b.y] || v[a.x][a.y] + 1 < v[b.x][b.y] && d[b.x][b.y] != -2) ^ user.cpp:64:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(!v[b.x][b.y] || v[a.x][a.y] + 1 < v[b.x][b.y] || d[b.x][b.y] == -2) ^