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Problem : Given a non empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a li 阅读全文
posted @ 2020-02-05 22:58
littledy
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Problem : Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this 阅读全文
posted @ 2020-02-05 22:27
littledy
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Problem : Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You 阅读全文
posted @ 2020-02-05 11:05
littledy
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