Given a positive integerK, you need to find thelengthof thesmallestpositive integerNsuch thatNis divisible byK, andNonly contains the digit . Return thelengthof N. If there is no suchN, return . Note ...
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Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K. Example 1: Note: 1 < ...
You are given two integer arrays nums1 and nums2 sorted in ascending order and an integer k. Define a pair (u,v) which consists of one element ...
You have k lists of sorted integers in ascending order. Find the smallest range that includes at least one number from each of the k lists. We ...
is the K-th smallest fraction considered? Return your an ...
Given an integer array, return the k-th smallest distance among all the pairs. The distance of a pair (A, B) is defined as the absolute difference ...
Given integers n and k, find the lexicographically k-th smallest integer in the range from 1 to n. Note: 1 ≤ k ≤ n ≤ 109. Example: 这道题是之前 ...
Given a set of distinct positive integers, find the largest subset such that every pair (Si, Sj) ...
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assume k is always valid, 1 ≤ k ...
