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.
def maxSubArray(nums: Array[Int]): Int = {
var sum = nums.head
var maxSum = nums.head
for (i <- nums) {
sum = i max sum + i
maxSum = sum max maxSum
}
maxSum
}
val nums = Array(-2, 1, -3, 4, -1, 2, 1, -5, 4)
maxSubArray(nums)
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