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[問題案] Point Set Range Composite (Linear Functions) (point_set_range_composite) #122
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f_r( ... ( f_l(x) )..)の方向の合成が自然でしょう |
yosupo06
changed the title
[問題案] 一次関数の一点変更, 区間合成
[問題案] Point Set Range Composite (Linear Functions)
Nov 11, 2019
yosupo06
changed the title
[問題案] Point Set Range Composite (Linear Functions)
[問題案] Point Set Range Composite (Linear Functions) (point_set_range_composite)
Nov 11, 2019
(adhocにやればa=0でも逆元があるかのように扱えるはずだし)逆元消す理由がないので0<a |
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This was referenced Aug 4, 2022
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問題概要
1次関数、1点変更 / 区間関数合成
N個の一次関数f_0, f_1, ..., f_{N - 1}が与えられる。f_i = a_i x + b_i。Q個のクエリを処理
全てmod 998244353
入力
制約
N, Q <= 500,000
0 <= 値 < 998244353
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