Best Time to Buy and Sell Stock with Cooldown Leetcode Solution

Problem statement In the problem “Best Time to Buy and Sell Stock with Cooldown” we are given an array where each element in the array contains the price of the given stock on that day. There is no restriction on the number of transactions. The definition of the transaction is …

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Best Time to Buy and Sell Stock  II Leetcode Solution

Problem statement In the problem “Best Time to Buy and Sell Stock  II,” we are given an array where each element in the array contains the price of the given stock on that day. The definition of the transaction is buying one share of stock and selling that one share …

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Best Time to Buy and Sell Stock with Transaction Fee Leetcode Solution

Problem statement In the problem “Best Time to Buy and Sell Stock with Transaction Fee,” we are given an array where each element in the array contains the price of the given stock on that day. The definition of the transaction is buying one share of stock and selling that …

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Count Negative Numbers in a Sorted Matrix LeetCode Solution

Problem statement In the problem “Count Negative Numbers in a Sorted Matrix” we are given a matrix of n rows and m columns. Elements are sorted in decreasing order both row-wise and column-wise. We need to find the total number of negative elements in the matrix. Example grid = [[8,3,2,-1],[4,2,1,-1],[3,1,-1,-2],[-1,-1,-2,-3]] …

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Binomial Coefficient

Problem Statement Find the Binomial Coefficient for a given value of n and k. “In mathematics, the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by a pair of integers n ≥ k ≥ 0 and is written as ” – quoted from Wikipedia. Example n = 5, k …

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