Specify the running time of each of the following algorithms. You must fully explain your answer to receive full marks.

Algorithm Ex3 ((a. an).(bbcn)) a1, , for l 1 to n do for j 1 to n do for k 1 to n do return x [7 marks] Algorithm Ex4 ((aan)(bbm)) while i n and ai >0 do for j i to m do return x