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**Replay**
三排，tzw开场写E发现是假做法。
whx，yyt通过签到K，A.
tzw改E未通过。
yyt写I，调试后通过。
whx通过J。
**Problems**
E：正解区间筛，pollard rho也可通过。
I：分块+树状数组。
J：构造。
G：dp套dp，三维可压成二维。
D：模拟。
**Dirt**
K(-1) I(-1) E(-10)注意10^12次方是是13位数，数位和可达108.