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
public:
/**
*
* @param prices int整型vector
* @return int整型
*/
int maxProfit(vector<int>& prices) {
// write code here
int n = prices.size();
int res = 0;
int prev = 0;
for(int i=1; i<n; i++){
prev = max(0, prev + prices[i] - prices[i-1]);
res = max(res, prev);
}
return res;
}
};