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题目 Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of the nu 阅读全文
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题目 You're given strings representing the types of stones that are jewels, and representing the stones you have. Each character in S is a type of stone 阅读全文
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题目 Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, 阅读全文
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题目 Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Example 1: Example 2: Example 3: <! mor 阅读全文
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题目 Given a non empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear ru 阅读全文