comprar y vender acciones
class Solution {
public int maxProfit(int[] prices) {
int minimum=Integer.MAX_VALUE;
int maxprofit=0;
for(int i=0;i<prices.length;i++){
if(prices[i]<minimum) minimum=prices[i];
else if(prices[i]-minimum>maxprofit) maxprofit=prices[i]-minimum;
}
return maxprofit;
}
}
Lucky Lapwing