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[LeetCode] Best Time to Buy and Sell Stock Solution
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorithm to find the maximum profit.
public class Solution { public int maxProfit(int[] prices) { if(prices.length == 0) return 0; int profit = 0; int min = prices[0]; for(int i=0;i<prices.length;i++){ if(prices[i]<min){ min = prices[i];//keep track the minimum value }else{ if(prices[i] - min > profit){//if the difference between price[i] and minimum price is bigger than profit , replace it. profit = prices[i]-min; } } } return profit; }}
[LeetCode] Best Time to Buy and Sell Stock Solution
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