/in/foo.cc: In function 'void Work(const bool&)':
/in/foo.cc:47:51: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    Nxt[i][j] = min(Nxt[i][j - 1], Nxt[i + (1 << j - 1)][j - 1]);
                                                 ~~^~~
/in/foo.cc:48:45: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    A[i][j] = max(A[i][j - 1], A[i + (1 << j - 1)][j - 1]);
                                           ~~^~~