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.More practice:If you have figured out the O(n) solution, try coding another solution using the divide and conquer approach, which is more subtle.
寻找和最大的子数组，时间O(n)。public int maxSubArray(int[] A) { if (A == null) { return 0; } int len = A.length; int max = A[0]; int cur = 0; for (int i = 0; i < len; i++) { cur += A[i]; if (max < cur) { max = cur; } if (cur < 0) { cur = 0; } } return max; }
Maximum Subarray,布布扣,bubuko.com
原文：http://blog.csdn.net/u010378705/article/details/30069839