建议升绿

P4981 父子

找规律毕竟不是正解
by FXT1110011010OI @ 2024-04-15 19:58:57


@[Maxmilite](/user/274993) @[离散小波变换°](/user/68344) @[StudyingFather](/user/22030)
by FXT1110011010OI @ 2024-04-15 19:59:07


@[10circle](/user/267596)
by zhouyuhang @ 2024-04-15 20:11:58


@[Rainbow_qwq](/user/151935) @[_bzy](/user/213388)
by Adchory @ 2024-04-15 20:14:04


@[zhouyuhang](/user/314991) 想你了牢t
by zhouyuhang @ 2024-04-15 20:14:38


不改吧
by Rainbow_qwq @ 2024-04-15 20:16:52


@[Rainbow_qwq](/user/151935) 但如果要严格证明的话绝对有绿题难度吧,做这种题感觉不太应该直接甩结论
by FXT1110011010OI @ 2024-04-16 15:28:05


我不好评判 TAT
by Rainbow_qwq @ 2024-04-16 16:16:44


@[FXT1110011010OI](/user/518899) 熟知结论,建议背诵。 所以暂时不做修改。
by _bzy @ 2024-04-16 16:44:56


@[FXT1110011010OI](/user/518899) OI不考证明/cf
by CbrX @ 2024-04-16 19:33:32


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