note: urgent! kindly ans in half hour

Q1: What does the following algorithm compute and what is the efficiency class of this algorithm? (5 Marks) ALGORITHM GE(A[O... - 1,0...] 1/ Input: Ann x (n +1) matrix A[0.1 - 1,0.nl of real numbers for ito n - 2 do for i +1 ton - 1 do fork ito n do A[j,&] - A[j,] - A[i,&] * A[j,i]/ A[i, i]