Compilare: user.cpp: In function ‘int main()’: user.cpp:30:50: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] d[q][i & 1][j] = 1 + min( d[q][i &1^1][j - 1], min( d[q][i &1^1][j], d[q][i & 1][j - 1] ) ); ^ user.cpp:30:76: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] d[q][i & 1][j] = 1 + min( d[q][i &1^1][j - 1], min( d[q][i &1^1][j], d[q][i & 1][j - 1] ) ); ^ user.cpp:42:33: warning: ‘t_q’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << t_max << ' ' << t_q << '\n'; ^