import java.util.*;
public class Solution {
/**
* 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整型一维数组
* @return int整型
*/
public int maxProfit (int[] prices) {
int res = 0;
for (int i = 0; i < prices.length; i ++) {
for (int j = i + 1; j < prices.length; j ++) {
if (res < prices[j] - prices[i]) {
res = prices[j] - prices[i];
}
}
}
return res;
}
}

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