LeetCode - Number of Good Pairs Given an array of integers nums. A pair (i,j) is called goodifnums[i] == nums[j] and i <j. Return the number of good pairs. Example1: Input: nums= [1,2,3,1,1,3] Output:4Explanation: There are4 good pairs (0,3), (0,4), (3,4), (...
1publicintnumIdenticalPairs(int[] nums) {2if(nums ==null|| nums.length == 0) {3return0;4}56//key: int value; value: number of occurrence7Map<Integer, Integer> lookup =newHashMap<>();8intgoodPairsCount = 0;9for(inti : nums) {10if(lookup.containsKey(i)) {11goodPairsCount +=l...
AI代码解释 1publicintnumIdenticalPairs(int[]nums){2if(nums==null||nums.length==0){3return0;4}56// key: int value; value: number of occurrence7Map<Integer,Integer>lookup=newHashMap<>();8int goodPairsCount=0;9for(int i:nums){10if(lookup.containsKey(i)){11goodPairsCount+=lookup.get...
Runtime:1 ms, faster than81.21%of Java online submissions for Number of Good Pairs. Memory Usage:39.7 MB, less than14.56%of Java online submissions for Number of Good Pairs. 整体表现不太好。只能说一般。
Can you solve this real interview question? Number of Good Pairs - Given an array of integers nums, return the number of good pairs. A pair (i, j) is called good if nums[i] == nums[j] and i < j. Example 1: Input: nums = [1,2,3,1,1,3] Output: 4 Exp
1512. Number of Good Pairs # 题目 # Given an array of integers nums. A pair (i,j) is called good if nums[i] == nums[j] and i < j. Return the number of good pairs. Example 1: Input: nums = [1,2,3,1,1,3] Output: 4 Explanation: There are 4 good pairs (0,3
Can you solve this real interview question? Number of Good Leaf Nodes Pairs - You are given the root of a binary tree and an integer distance. A pair of two different leaf nodes of a binary tree is said to be good if the length of the shortest path betwe
LeetCode——1128. 等价多米诺骨牌对的数量[Number of Equivalent Domino Pairs]——分析及代码[Java] 一、题目 二、分析及代码 1. 记录等价对数 (1)思路 (2)代码 (3)结果 三、其他 一、题目 给你一个由一些多米诺骨牌组成的列表 dominoes。 如果其中某一张多米诺骨牌可以通过旋转 0 ...5130. Number of Eq...
题目链接: Count Number of Pairs With Absolute Difference K : leetcode.com/problems/c 差的绝对值为K 的数对数目: leetcode.cn/problems/co LeetCode 日更第 357 天,感谢阅读至此的你 欢迎点赞、收藏、在看鼓励支持小满 发布于 2023-01-14 21:38・上海 ...
pairs,数对; difference,差; absolute difference,差值的绝对值; absolute difference K,差值的绝对值=K。 题目:Given an integer arraynumsand an integerk, returnthe number of pairs(i, j)wherei < jsuch that|nums[i] - nums[j]| == k.