| [ QuizWit ] in KIDS 글 쓴 이(By): iLUSiON (띠띠빤쮸) 날 짜 (Date): 2004년 5월 25일 화요일 오전 09시 14분 05초 제 목(Title): Re: 2XP QUIZ V. oh..i found much simpler solution. hehehe..... consider 14 balls and 6 sticks. now you gona use only 3 sticks first so that 0000 1 0000 1 0000 1 00 0000 1 0000 1 000 1 000 3 sick is the minimum number needed to gurantee no consequive 5 0's. now you compute the number of this event. it should be faily easy. since you are permuting 4 4 4 2 which gives 4 possible configuration. 4 4 3 3 which gives 4C2 = 4*3/2*1 = 6 possible configuration. so total 10 configuration. after this, you compute the possibility of putting the remaining 3 sticks anywhere you want. :) i think this would be a good homework problem. moo. iLUSiON - le plus grand de tous http://cyworld.nate.com/ilusion |