Given an array A of integers, for each integer A[i] we may choose any x with -K <= x <= K, and add x to A[i]. After this process, we have some a ...

Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. ExampleInput:nums = [1,1 ...

Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 that ...

Given an array of integers nums and a positive integer k, find whether it’s possible to divide this array into k non-empty subsets whose sums are all ...

Given a non-empty array containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both ...

Suppose we abstract our file system by a string in the following manner: The string “dir\n\tsubdir1\n\tsubdir2\n\t\tfile.ext” represents: 1234dir s ...

Given n non-negative integers representing the histogram’s bar height where the width of each bar is 1, find the area of largest rectangle in the hist ...

Given an array of integers A, find the sum of min(B), where B ranges over every (contiguous) subarray of A. Since the answer may be large, return the ...

Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn’t ...

In a country popular for train travel, you have planned some train travelling one year in advance. The days of the year that you will travel is given ...