Given an array of n integers, where each integer represents the height of a bar in a bar graph, write a function that returns the maximum area that can be formed by choosing two bars from the array and stacking them on top of each other.

275

Dec 13
Given an array of n integers, find the contiguous subarray of given length k that has the maximum average value. Output the maximum average value.

222

Dec 11
Given an array of integers, find the length of the longest increasing subsequence.

226

Dec 11
Given an array of integers, this problem seeks to find the length of the longest increasing subsequence within that array. For example, given the input array [10, 9, 2, 5 , 3, 7, 101, 18], the longest increasing subsequence would be of length 4.

211

Dec 10
Given an array of n integers, this algorithm will find the maximum sum of any contiguous subarray of the array. For example, given the input array [1, -3, 2, 1, -1], the algorithm would output 3.

220

Dec 09
Given a string, find the first non-repeating character. For example, in the string "abacabad", the first non-repeating character is 'c'.

222

Dec 08
To sum all elements in a list, we can simply iterate through the list and add each element to a running total. This will take O(n) time, where n is the length of the list.

157

Dec 06
Given an array of integers, this problem seeks to find the length of the longest increasing subsequence within that array. For example, given the input array [10, 9, 2, 5 , 3, 7, 101, 18], the longest increasing subsequence would be of length 4.

175

Dec 05