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题目如下： You are given a string allowed consisting of distinct characters and an array of strings words. A string is consistent if all characters in the 阅读全文
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题目如下： A decimal number is called deci-binary if each of its digits is either 0 or 1 without any leading zeros. For example, 101 and 1100 are deci-bina 阅读全文
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题目如下： You are given an integer n, the number of teams in a tournament that has strange rules: If the current number of teams is even, each team gets p 阅读全文
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题目如下： LeetCode company workers use key-cards to unlock office doors. Each time a worker uses their key-card, the security system saves the worker's na 阅读全文