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
.
If you have figured out the O(n) solution, try coding another solution using the divide and conquer approach, which is more subtle.
public class Solution { public int maxSubArray(int[] A) { if(A==null||A.length<1) { return 0; } int result=A[0]; int current=A[0]; int LEN=A.length; for(int i=1;i<LEN;i++) { current=Math.max(A[i],current+A[i]); result=Math.max(current,result); } return result; } }
原文地址:http://blog.csdn.net/jiewuyou/article/details/39153755