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In Dorothy Sayers' novel "Have His Carcass", Lord Peter Wimsey describes a cryptography technique that is simple for encoding and decoding, yet relatively hard to crack. Your job is to implement this technique. Here's how it works, in Sayers' (edited) words: You choose a key-word of six letters or more, …
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Reversed number is a number written in Arabic numerals but the order of digits is reversed. The first digit becomes last and vice versa. For example, if the number is 1245, then it becomes 5421. Note that all the leading zeros are omitted. That means if the number ends with …
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A number is "prime" if it has no divisors other than itself and1. For example, 23 is prime and 35 is not prime because 35 = 7 x 5. If the digits of a number are rearranged, then usually its primeness changes - for example, 32 is not prime but …
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A common problem when processing incoming text is to isolate the words in the text. This is made more difficult by the punctuation; words have commas, "quote marks", (even brackets) next to them, or hyphens in the middle of the word. This punctuation doesn't count as letters when the words …
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Anyone have code with this?... Write a program to find the chain associated with any given number. Start with the given positive integer. This is the first number in the chain. Sort the digits (of the base 10 number) into ascending order, and also in descending order. Subtract the ascending …
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please help me with this program...badly needed....
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