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You are given a sequence of integers A1, A2, ..., AN and an integer M. For any valid integers p, q, let's define F(p, q) as the dot product of the subsequences Ap, Ap+1, . .. , Ap+M-1 and Aq, Aq+1, · .. , Aq+M-1, İ.e. F(p, q) = Eo Ap+i · Aqti- M-1 You should process Q queries. In each query: • You are given two integers pos and val. Change the value of Apos to val. N-M+1 N-M+1 Luj=1 • Then, find the sum S = E i=1 F(i, j). Since this sum could be very large, compute it modulo 998, 244, 353.

You are given a sequence of integers A1, A2, ..., AN and an integer M. For any valid integers p, q, let's define F(p, q) as the dot product of the subsequences Ap, Ap+1, . .. , Ap+M-1 and Aq, Aq+1, · .. , Aq+M-1, İ.e. F(p, q) = Eo Ap+i · Aqti- M-1 You should process Q queries. In each query: • You are given two integers pos and val. Change the value of Apos to val. N-M+1 N-M+1 Luj=1 • Then, find the sum S = E i=1 F(i, j). Since this sum could be very large, compute it modulo 998, 244, 353.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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C++ Programming Question: You are given a sequence of integers A1, A2, ..., AN and an integer M. For any valid integers p, q, let's define F(p, q) as the dot product of the subsequences Ap, Ap+1,. .. , Ap+M-1 and Aq, Aq+1,...,. F(p, g) = E0 Ap+i · Aqti- M-1 You should process Q queries. In each query: • You are given two integers pos and val. Change the value of Apos to val. • Then, find the sum S = NM+l-M+1 F(i, j). Since this sum could vi=1 Lj=1 be very large, compute it modulo 998, 244, 353. Test Case Result 1 340 521 32415 24
Transcribed Image Text:C++ Programming Question: You are given a sequence of integers A1, A2, ..., AN and an integer M. For any valid integers p, q, let's define F(p, q) as the dot product of the subsequences Ap, Ap+1,. .. , Ap+M-1 and Aq, Aq+1,...,. F(p, g) = E0 Ap+i · Aqti- M-1 You should process Q queries. In each query: • You are given two integers pos and val. Change the value of Apos to val. • Then, find the sum S = NM+l-M+1 F(i, j). Since this sum could vi=1 Lj=1 be very large, compute it modulo 998, 244, 353. Test Case Result 1 340 521 32415 24
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