Question: You have been given the following algorithm: for i=1 to n for j=1 to n/2 a=a+ij for i=1 to 2n for j=1 to 17n z=z+ij

You have been given the following algorithm: for i=1 to n

You have been given the following algorithm: for i=1 to n for j=1 to n/2 a=a+ij for i=1 to 2n for j=1 to 17n z=z+ij (i) Derive and justify its time complexity using 'Big-O' notation (ii) You have been given the following execution times for a program which implements this algorithm. The program has two parts. The first is constant and independent of n - a fixed overhead, the second implements the algorithm above. Estimate and justify how long it would take to execute for n=2000

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