Explanation: There are multiple optimal solutions: - Increment the first element three times to make nums = [4,4,8,13]. 4 has a frequency of 2. - Increment the second element four times to make nums = [1,8,8,13]. 8 has a frequency of 2. - Increment the third element five times...
Given a non-empty array of integers, return the K most frequent elements. 示例1: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 输入: nums = [1,1,1,2,2,3], k = 2 输出: [1,2] 示例2: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 输入: nums = [1], k = 1 输出:...
publicList<Integer> topKFrequent(int[] nums,intk) { //count the frequency for each element HashMap<Integer, Integer> map =newHashMap<Integer, Integer>(); for(intnum: nums){ if(map.containsKey(num)){ map.put(num, map.get(num)+1); }else{ map.put(num,1); } } //get the max ...
FindHeaderBarSize FindTabBarSize FindBorderBarSize Given an integer arraynumsand an integerk, returnthekmost frequent elements. You may return the answer inany order. Example 1: Input:nums = [1,1,1,2,2,3], k = 2Output:[1,2] Example 2: Input:nums = [1], k = 1Output:[1] Cons...
Given a non-empty array of integers, return thekmost frequent elements. Example 1: Input: nums = [1,1,1,2,2,3], k = 2 Output: [1,2] 1. 2. Example 2: Input: nums = [1], k = 1 Output: [1] 1. 2. Note: You may assumekis always valid, 1 ≤k≤ number of unique ele...
Design a stack-like data structure to push elements to the stack and pop the most frequent element from the stack. Implement the FreqStack class: FreqStack() constructs an empty frequency stack. void push(int val) pushes an integer val onto the top of the stack. ...
LeetCode 347. Top K Frequent Elements Top K Frequent Element...[LeetCode 347] Top K Frequent Elements (Medium) Given a non-empty array of integers, return the k most frequent elements. Example 1: Example 2: Note: You may assume k is always valid, 1 ≤ k ≤ number of unique ...
第C++实现LeetCode(347.前K个高频元素)[LeetCode]347.TopKFrequentElements前K个高频元素 Givenanon-emptyarrayofintegers,returnthekmostfrequentelements. Example1: Input:nums=[1,1,1,2,2,3],k=2 Output:[1,2] Example2: Input:nums=[1],k=1 Output:[1] Note: Youmayassumekisalwaysvalid,1≤k≤...
https://leetcode.com/problems/kth-smallest-element-in-a-bst/ https://leetcode.com/problems/top-k-frequent-elements/ https://leetcode.com/problems/sort-characters-by-frequency/ https://leetcode.com/problems/course-schedule-iii/ 13. Pattern: K-way merge,多路归并 ...
503 Next Greater Element II // #503 下一个更大元素2 描述:和之前一样,这次要处理整个数组,而且将数组看成是循环的。 //#503Description: Next Greater Element II | LeetCode OJ 解法1:还是用栈。 // Solution 1: Use a stack, as always. ...