摘要：
Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary representation 阅读全文
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[LeetCode] 581. Shortest Unsorted Continuous Subarray_Easy tag: Sort, Stack
2018-08-20 01:37 by Johnson_强生仔仔, 203 阅读, 收藏,
摘要：
Given an integer array, you need to find one continuous subarray that if you only sort this subarray in ascending order, then the whole array will be 阅读全文
[LeetCode] 172. Factorial Trailing Zeroes_Easy tag: Math
2018-08-16 10:46 by Johnson_强生仔仔, 203 阅读, 收藏,
摘要：
Given an integer n, return the number of trailing zeroes in n!. Example 1: Example 2: Note: Your solution should be in logarithmic time complexity. 思路 阅读全文
[LeetCode] 189. Rotate Array_Easy tag: Array
2019-05-09 11:16 by Johnson_强生仔仔, 202 阅读, 收藏,
摘要：
Given an array, rotate the array to the right by k steps, where k is non-negative. Example 1: Example 2: Note: Try to come up as many solutions as you 阅读全文
[LeetCode] 162. Find Peak Element(852. Peak Index in a Mountain Array)_Medium tag: Binary Search
2018-08-29 11:39 by Johnson_强生仔仔, 201 阅读, 收藏,
摘要：
A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a peak element and return 阅读全文
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