题解 | #买卖股票的最好时机(一)#
买卖股票的最好时机(一)
http://www.nowcoder.com/practice/64b4262d4e6d4f6181cd45446a5821ec
class Solution { public: /** * * @param prices int整型vector * @return int整型 */ int maxProfit(vector<int>& prices) { int mn = prices[0]; int ans = 0; for(int i=1; i<prices.size(); i++){ if(prices[i] < mn){ mn = prices[i]; } else { ans = max(ans, prices[i] - mn); } } return ans; // write code here } };