class Solution {
public:
/**
* 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
*
*
* @param prices int整型vector
* @return int整型
*/
int maxProfit(vector<int>& prices) {
int ans = 0;
for (int i = 0, minProfits = INT_MAX; i < prices.size(); i++) {
ans = max(ans, prices[i] - minProfits);
minProfits = min(minProfits, prices[i]);
}
return ans;
}
};



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