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leetcode Maximum Subarray

Find the contiguous subarray within an array (containing at least one number) which has the largest sum.

For example, given the array [−2,1,−3,4,−1,2,1,−5,4],
the contiguous subarray [4,−1,2,1] has the largest sum = 6.

1,注意解题方法,设置两个变量,current,用来纪录当前值,和Max比较,如果为负,就把它设置为0.

package Leetcode;public class MaximumSubarray {    public int maxSubArray(int[] A) {        int max=0;        int current=0;        for(int i=0;i<A.length;i++){            current+=A[i];            if(current>max){                max=current;            }            if(current<0){                current=0;            }        }        return max;    }}

 

leetcode Maximum Subarray