A stairway has 100 steps. You can climb it by one step at a time, or by two steps. How many different ways to ascend this stairway exist?

woah... busted my brain at first... buh when i did the math i saw a pattern that i just recently learned in school... the "phibunachi"? i dunno... buh the answer would be, if the pattern continues, 573,147,844,013,817,084,101

Posted by suna on 2002-11-12 09:55:33