Question: just answer part a. please use pseudo code and c++ 4. Algorithm Design (a) (10 points) For an array A of size N and A[1]

just answer part a. please use pseudo code and c++

4. Algorithm Design (a) (10 points) For an array A of size N and A[1] > A[N], devise an efficient algorithm to find a pair of elements A[i] and A[i+1] such that A[i] > A[i+1]. Can you always find such adjacent pair and why? Justify your conclusion. (b) (10 points) From an array of N (N>2) elements develop an efficient algorithm to find 2 elements i and j such that A[i]+A[]=2021. Describe your time complexity and justify

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