HBC17383A Simple Problem with Integers题解 （youhavenintegers）

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You have N integers A1, A2, ... , AN. You are asked to write a program to receive and execute two kinds of instructions: 1. C a b means performing Ai = for all Ai such that a ≤ i ≤ b. 2. Q a b means query the sum of Aa, Aa+1, ..., Ab. Note that the sum is not taken modulo 2018.

You have N integers A1, A2, ... , AN. You are asked to write a program to receive and execute two kinds of instructions: 1. C a b means performing Ai = (Ai2 mod 2018) for all Ai such that a ≤ i ≤ b. 2. Q a b means query the sum of Aa, Aa+1, ..., Ab. Note that the sum is not taken modulo 2018.

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标签： HBC17383A Simple Problem with Integers题解