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2020年5月22日
Majority Element III
摘要： Given an array of integers and a number k, the majority number is the number that occurs more than 1/k of the size of the array, find all the majority 阅读全文
posted @ 2020-05-22 06:29 Review->Improve 阅读(189) 评论(0) 推荐(0)
[LeetCode 229] Majority Element II
摘要： Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm should run in linear time and in O(1) spa 阅读全文
posted @ 2020-05-22 06:10 Review->Improve 阅读(166) 评论(0) 推荐(0)
[LeetCode 169] Majority Element
摘要： Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the 阅读全文
posted @ 2020-05-22 04:53 Review->Improve 阅读(185) 评论(0) 推荐(0)
2020年5月13日
[AtCoder] Multiple of 2019
摘要： Problem Link: Multiple of 2019 Key idea: For subarray S[i1, j] and S[i2, j] with i1 < i2, if the V[i1, j] % 2019 is the same with V[i2, k] % 2019, it 阅读全文
posted @ 2020-05-13 05:18 Review->Improve 阅读(218) 评论(0) 推荐(0)
2020年5月8日
[LeetCode 42] Trapping Rain Water
摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文
posted @ 2020-05-08 09:41 Review->Improve 阅读(143) 评论(0) 推荐(0)
2020年5月6日
[LeetCode 1434] Number of Ways to Wear Different Hats to Each Other
摘要： There are n people and 40 types of hats labeled from 1 to 40. Given a list of list of integers hats, where hats[i] is a list of all hats preferred by 阅读全文
posted @ 2020-05-06 02:25 Review->Improve 阅读(665) 评论(0) 推荐(0)
2020年5月5日
[LeetCode 1439] Find the Kth Smallest Sum of a Matrix With Sorted Rows
摘要： You are given an m * n matrix, mat, and an integer k, which has its rows sorted in non-decreasing order. You are allowed to choose exactly 1 element f 阅读全文
posted @ 2020-05-05 05:32 Review->Improve 阅读(637) 评论(0) 推荐(0)
[LeetCode 239] Sliding Window Maximum
摘要： Given an array of n integer with duplicate number, and a moving window(size k), move the window at each iteration from the start of the array, find th 阅读全文
posted @ 2020-05-05 02:47 Review->Improve 阅读(538) 评论(0) 推荐(0)
2020年4月21日
[LeetCode 1420] Build Array Where You Can Find The Maximum Exactly K Comparisons
摘要： Given three integers n, m and k. Consider the following algorithm to find the maximum element of an array of positive integers: You should build the a 阅读全文
posted @ 2020-04-21 04:47 Review->Improve 阅读(618) 评论(0) 推荐(0)
2020年4月17日
[LeetCode 678] Valid Parenthesis String
摘要： Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the vali 阅读全文
posted @ 2020-04-17 23:53 Review->Improve 阅读(228) 评论(0) 推荐(0)
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