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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.
常用的方法
class Solution { public: int maxSubArray(int A[], int n) { int maxsum = INT_MIN, sum = INT_MIN; for(int i = 0 ; i < n; ++ i){ sum = ((sum >= 0)?sum:0) +A[i]; maxsum = max(sum,maxsum); } return maxsum; } };
Leetcode Maximum Subarray,布布扣,bubuko.com
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原文地址：http://www.cnblogs.com/xiongqiangcs/p/3809161.html
