109th LeetCode Weekly Contest Number of Recent Calls

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109th LeetCode Weekly Contest Number of Recent Calls

Write a class RecentCounter to count recent requests. It has only one method: ping(int t), where t represents some time in milliseconds. Return the number of pings that have been made from 3000 milliseconds ago until now. Any ping with time in [t - 3…

【LeetCode】933. Number of Recent Calls 解题报告（Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法二分查找队列相似题目参考资料日期题目地址:https://leetcode.com/problems/number-of-recent-calls/description/ 题目描述 Write a class RecentCounter to count recent requests. It has only one method: p…

109th LeetCode Weekly Contest Knight Dialer

A chess knight can move as indicated in the chess diagram below: . This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops. Each hop must be from one key to another numbere…

74th LeetCode Weekly Contest Number of Subarrays with Bounded Maximum

We are given an array A of positive integers, and two positive integers L and R (L <= R). Return the number of (contiguous, non-empty) subarrays such that the value of the maximum array element in that subarray is at least Land at most R. Example : I…

LeetCode Weekly Contest 8

LeetCode Weekly Contest 8 415. Add Strings User Accepted: 765 User Tried: 822 Total Accepted: 789 Total Submissions: 1844 Difficulty: Easy Given two non-negative numbers num1 and num2 represented as string, return the sum of num1 and num2. Note: The…

leetcode weekly contest 43

leetcode weekly contest 43 leetcode649. Dota2 Senate leetcode649.Dota2 Senate 思路: 模拟规则round by round. class Solution { public: string predictPartyVictory(string senate) { int len = senate.size(); int r = 0; int d = 0; int i = 0; while(1) { if(senate[…