[LeetCode] 560. Subarray Sum Equals K 子數組和為K
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example ...
原文：[LeetCode] 992. Subarrays with K Different Integers 有K個不同整數的子數組
Given an arrayAof positive integers, call a contiguous, not necessarily distinct subarray ofAgoodif the number of different integers in that subarray is exactlyK. For example, , , , , has different i ...
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[LeetCode] 560. Subarray Sum Equals K 子數組和為K
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example 1: Note ...
[LeetCode] 898. Bitwise ORs of Subarrays 子數組按位或操作
We have an array `A` of non-negative integers. For every (contiguous) subarray B = [A[i], A[i+1], ..., A[j]] (with i <= j), we take the bitwise ...
LeetCode 862. 和至少為 K 的最短子數組
思路： 采用滑動窗口 注意點 左邊移動的時候，如果去掉的數是負數，那么右邊游標要做回滾； 右邊的游標移動時，出現sum<=0，說明此次的計算沒有意義，不要再進行下去； 代碼 ...
和為k的子數組
給定一個整數數組和一個整數 k，你需要找到該數組中和為 k 的連續的子數組的個數。 示例 1 : 輸入:nums = [1,1,1], k = 2輸出: 2 , [1,1] 與 [1,1] 為兩種不同的情況。說明 : 數組的長度為 [1, 20,000]。數組中元素的范圍是 [-1000 ...
[LeetCode] 974. Subarray Sums Divisible by K 子數組數字之和可被K整除
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 < ...
[LeetCode] 862. Shortest Subarray with Sum at Least K 和至少為K的最短子數組
Return the length of the shortest, non-empty, contiguous subarray of `A` with sum at least `K`. If there is no non-empty subarray with sum at least ...
[LeetCode] 713. Subarray Product Less Than K 子數組乘積小於K
Your are given an array of positive integers nums. Count and print the number of (contiguous) subarrays where the product of all the elements ...