(答案好像是15次,我只做到17次)
更新1:
need 1 man to return the boat!
更新2:
including the one bows the boat, carry 5 ppl only
更新3:
The final answer must be odd number in a logical way, cos no need to take return trip in the last round.
need 1 man to return the boat!
including the one bows the boat, carry 5 ppl only
The final answer must be odd number in a logical way, cos no need to take return trip in the last round.
收錄日期: 2021-05-03 12:32:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070224000051KK00505