爆`int`（口胡的
by lnw143 @ 2024-02-28 07:34:56
@[lnw143](/user/767819) 我开了 `long long` 也没有用啊。
by lbh666 @ 2024-02-29 17:33:02
`(t2[x][i%2]-a[i])` 没有取模
by lnw143 @ 2024-02-29 20:08:42
`ans` 好像也没有？
by lnw143 @ 2024-02-29 20:09:06