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PAT (Advanced Level) Practice 1027 Colors in Mars (20 分) 凌宸1642 题目描述: People in Mars represent the colors in their computers in a similar way as the E 阅读全文
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PAT (Advanced Level) Practice 1023 Have Fun with Numbers (20 分) 凌宸1642 题目描述: Notice that the number 123456789 is a 9-digit number consisting exactly t 阅读全文
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PAT (Advanced Level) Practice 1019 General Palindromic Number (20 分) 凌宸1642 题目描述: A number that will be the same when it is written forwards or backwa 阅读全文
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PAT (Advanced Level) Practice 1015 Reversible Primes (20 分) 凌宸1642 题目描述: A reversible prime in any number system is a prime whose "reverse" in that nu 阅读全文