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题意: You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nu 阅读全文
摘要:
题意: Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. E 阅读全文
摘要:
Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: 题意:给你一个正数,将其转换 阅读全文