@[Midnight_szx](/user/801371)
`f[i][j][0] = max(f[i - 1][j - 1][0], max(f[i - 1][j - 1][1], f[i - 1][j - 1][2])) + d[x[i]][y[i]];`
`d[x[i]][y[i]];`
`d[x[i]][y[**i**]];`
~~这错误屑得和我的 `if(chk(mid)) l = mid; else l = mid;` 有的一拼~~
by y_kx_b @ 2023-03-02 19:49:01
过了，谢谢
已关注
by Midnight_szx @ 2023-03-03 21:28:10