1) Give the big-Oh characterization, in terms of n, of the running time of the pseudocode loops shown below: (3 pts each) a) x1 for i1 to 8n do x+x*i b) b1 while n>0 do c) S 0 bb+(5*n) nen/2 for i1 to 2n do for j +1 to i do ss+i d) k0 for i1 to n do for j +1 to 5n do ktk+i I Act Go t