Best Time to Buy and Sell Stock.cpp

class Solution {
public:
    int maxProfit(vector<int>& prices) {
    int maxPro = 0, minPrice = INT_MAX;
    for(int i = 0; i < prices.size(); i++) {
        minPrice = min(minPrice, prices[i]);
        maxPro = max(prices[i] - minPrice, maxPro);
    }
    return maxPro;
}
};