LeetCode Q 901 - Online Stock SpanWrite a class StockSpanner which collects daily price quotes for some stock, and retur

LeetCode Q 1003 - Check If Word Is Valid After SubstitutionsWe are given that the string “abc” is valid.From any valid s

LeetCode Q 84 - Largest Rectangle in HistogramGiven n non-negative integers representing the histogram’s bar height wher

LeetCode Q 456 - 132 PatternGiven a sequence of n integers a1, a2, …, an, a 132 pattern is a subsequence ai, aj, ak such

LeetCode Q 556 - Next Greater Element IIIGiven a positive 32-bit integer n, you need to find the smallest 32-bit integer

LeetCode Q 496 - Next Greater Element IYou are given two arrays (without duplicates) nums1 and nums2 where nums1’s eleme