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MaximumSubarray.java

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public class MaximumSubarray {

public int maxSubArray(int[] A) {

//DP, the maxsubarray include certain pos is determined by the sum to it's left.

int length = A.length;

if(length == 0)

return Integer.MIN_VALUE;

int[] maxLeft = new int[length];

int[] maxRight = new int[length];

int max = Integer.MIN_VALUE;

int sum = 0;

for(int i=0;i<length;i++){

sum = sum+A[i];

if (max>sum)

max = sum;

if(sum<0)

sum = 0;

}

return max;

}

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

}

}