有N個士兵排成一行,現(xiàn)在需要選出幾個人去偵察.
為了完成這個可執(zhí)行如下操作：如果有多于三個士兵,那么所有在奇數(shù)位置（或所有在偶數(shù)位置）的將被剔除.重復執(zhí)行,直到不多于三個士兵.他們就是要被派遣去偵察的人.
求出通過這方法,可以產(chǎn)生有多少組三個士兵的結(jié)果.
注意：產(chǎn)生少于三個士兵的不在考慮范圍
英語翻譯
英語翻譯
Out of N soldiers,standing in one line,it is required to choose several to send them scouting.
In order to do that,the following operation is performed several times:if the line consists of more than three soldiers,then all soldiers,standing on even positions,or all soldiers,standing on odd positions,are taken away.The above is done until three or less soldiers are left in the line.They are sent scouting.Find,how many different groups of three scouts may be created this way.
Note:Groups with less than three number of soldiers are not taken into consideration.
Out of N soldiers,standing in one line,it is required to choose several to send them scouting.
In order to do that,the following operation is performed several times:if the line consists of more than three soldiers,then all soldiers,standing on even positions,or all soldiers,standing on odd positions,are taken away.The above is done until three or less soldiers are left in the line.They are sent scouting.Find,how many different groups of three scouts may be created this way.
Note:Groups with less than three number of soldiers are not taken into consideration.
英語人氣：309 ℃時間：2020-10-01 03:23:44
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