122. Best Time to Buy and Sell Stock II
2017-01-27 08:31
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Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times). However, you may not engage in multiple transactions at the same time (ie, you must sell the stock
before you buy again).
Greedy的思想,只要这次的价格比上次的价格高,就卖了它。代码如下:
public class Solution {
public int maxProfit(int[] prices) {
int max = 0;
for (int i = 1; i < prices.length; i ++) {
if (prices[i] > prices[i - 1]) {
max += prices[i] - prices[i - 1];
}
}
return max;
}
}
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times). However, you may not engage in multiple transactions at the same time (ie, you must sell the stock
before you buy again).
Greedy的思想,只要这次的价格比上次的价格高,就卖了它。代码如下:
public class Solution {
public int maxProfit(int[] prices) {
int max = 0;
for (int i = 1; i < prices.length; i ++) {
if (prices[i] > prices[i - 1]) {
max += prices[i] - prices[i - 1];
}
}
return max;
}
}
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