摘要：
A string of '0's and '1's is monotone increasing if it consists of some number of '0's (possibly 0), followed by some number of '1's (also possibly 0. 阅读全文
posted @ 2020-11-19 11:45
Sheanne
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You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. Now, we define a pair (c, d) can follow an 阅读全文
posted @ 2020-11-19 06:42
Sheanne
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For some fixed N, an array A is beautiful if it is a permutation of the integers 1, 2, ..., N, such that: For every i < j, there is no k with i < k < 阅读全文
posted @ 2020-11-19 06:12
Sheanne
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Given an array nums of 0s and 1s and an integer k, return True if all 1's are at least k places away from each other, otherwise return False. Example 阅读全文
posted @ 2020-11-19 00:23
Sheanne
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