Url: https://leetcode.com/problems/task-scheduler/description/ Given a char array representing tasks CPU need to do. It contains capital letters A to Z where different letters represent different tasks.Tasks could be done without original order. Each task could be done in one interval. For each […]
Url: https://leetcode.com/problems/largest-rectangle-in-histogram Question: 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 histogram. Above is a histogram where width of each bar is 1, given […]
Url: https://leetcode.com/problems/merge-two-sorted-lists Question: Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 솔직히 너무 쉬운 문제라 안올릴까 했는데 그냥 정리차원에서.. 사이즈를 알 필요도 […]
url: https://leetcode.com/problems/merge-k-sorted-lists Question: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. k개의 정렬된 링크드 리스트를 합치는 문제. 물론 정렬된 상태의 한개의 리스트로. 다양한 방법이 나올 수 있지만, 가장 처음 생각한 것은 재귀적 […]
Url: https://leetcode.com/problems/3sum/description/ Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: The […]
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same element twice. […]