贪心法
*
* @param prices int整型一维数组
* @return int整型
*/
function maxProfit( prices ) {
// write code here
let n = prices.length;
if(n <=1) return 0;
let minValue = prices[0],maxP = 0;
for(let i = 0;i < n;i++){
minValue = Math.min(minValue,prices[i]);
maxP = Math.max(maxP,prices[i] - minValue);
}
return maxP;
}
module.exports = {
maxProfit : maxProfit
};