<字节算法题笔记001>LC:121买卖股票的最佳时机
class Solution {
public:
int maxProfit(vector<int>& prices) {
int res = 0;
int min_val = INT_MAX;
for(int i = 0;i < prices.size();i ++){
res = max(res,prices[i] - min_val);
min_val = min(min_val,prices[i]);
}
return res;
}
}; 
开发你这个也没有项目啊