1315. Sum of Nodes with Even-Valued Grandparent
Given the root of a binary tree, return the sum of values of nodes with an even-valued grandparent . If there are no nodes with an even-valued grandparent , return 0.
3165. Maximum Sum of Subsequence With Non-adjacent Elements
You are given an array nums consisting of integers. You are also given a 2D array queries, where queries[i] = [posi, xi].
3164. Find the Number of Good Pairs II
You are given 2 integer arrays nums1 and nums2 of lengths n and m respectively. You are also given a positive integer k.
3162. Find the Number of Good Pairs I
You are given 2 integer arrays nums1 and nums2 of lengths n and m respectively. You are also given a positive integer k.
3160. Find the Number of Distinct Colors Among the Balls
You are given an integer limit and a 2D array queries of size n x 2.
3159. Find Occurrences of an Element in an Array
You are given an integer array nums, an integer array queries, and an integer x.
3158. Find the XOR of Numbers Which Appear Twice
You are given an array nums, where each number in the array appears either once or twice.