題目描述
為了產(chǎn)生一個新命令,我們要從所有大小寫字母（a到z）中挑出m個字母.因此,這就是說你可以挑選相同的字母.但是這有兩條規(guī)定：
關(guān)于毗鄰的字母,他們的ASCII碼的絕對值絕對不能大于32.
必須有一對相鄰的字母他們的ASCII碼絕對值剛好等于32.比如,就處于 "Xx" or "xX"形式的命令,相鄰的字母的ASCII碼絕對值就剛好等于32.
現(xiàn)在我們可以得到多少個不同的命令呢?
英語翻譯
英語翻譯
Problem Description
In order to make a new word,we will pick out m letters from all the upper case letters and lower case letters(from `a' to `Z').Therefore,that means you can pick some same letters.But here are two rules:
● as to all the neighbour letters,the absolute value of their ASCII code must be not greater than 32.
● there must be at least one pair of neighbour letters whose absolute value of ASCII code is exactly equal to 32.For example,considering the word in the form like "Xx" or "xX",the neighbour letters have an absolute value of ASCII code exactly equal to 32.
Now how many di erent words can we get?
Problem Description
In order to make a new word,we will pick out m letters from all the upper case letters and lower case letters(from `a' to `Z').Therefore,that means you can pick some same letters.But here are two rules:
● as to all the neighbour letters,the absolute value of their ASCII code must be not greater than 32.
● there must be at least one pair of neighbour letters whose absolute value of ASCII code is exactly equal to 32.For example,considering the word in the form like "Xx" or "xX",the neighbour letters have an absolute value of ASCII code exactly equal to 32.
Now how many di erent words can we get?
英語人氣：828 ℃時間：2020-01-18 02:24:22
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