class Solution
{
public:
int maxProfit(vector<int>& prices)
{
int local=0,golal = 0;
for (int i=0; i<prices.size()-1; i++)
{
local = max(local + (prices[i+1] - prices[i]), 0);
golal = max(golal,local);
}
cout<<golal<<endl;
return golal;
}
};