@[_RSY_](/user/46197)
by Special_Tony @ 2023-10-11 09:09:46
assert 过了，原题 10 组数据全是 $n=m$ 的/cf
by y_kx_b @ 2023-10-11 09:12:44
@[Maxmilite](/user/274993)
by y_kx_b @ 2023-10-11 09:14:02
@[y_kx_b](/user/592895) Done, thx.
by Maxmilite @ 2023-10-14 16:11:18