Merge pull request #1 from inimitable034/inimitable034-patch-1

Kadane's algorithm

Author: inimitable034

Arrays/kadanes.java

@@ -0,0 +1,42 @@
+// Java program for Kadane's Algorithm
+// 
+class algo{
+
+	static void Kadanes(int a[], int size)
+	{
+		int max_so_far = Integer.MIN_VALUE,
+		max_ending_here = 0,start = 0,
+		end = 0, s = 0;
+
+		for (int i = 0; i < size; i++)
+		{
+			max_ending_here += a[i];
+
+			if (max_so_far < max_ending_here)
+			{
+				max_so_far = max_ending_here;
+				start = s;
+				end = i;
+			}
+
+			if (max_ending_here < 0)
+			{
+				max_ending_here = 0;
+				s = i + 1;
+			}
+		}
+		System.out.println("Maximum contiguous sum is "
+						+ max_so_far);
+		System.out.println("Starting index " + start);
+		System.out.println("Ending index " + end);
+	}
+
+
+	public static void main(String[] args)
+	{
+		int a[] = { 10, 16, -2, 8, 5, 9, -7, 3 };
+		int n = a.length;
+		Kadanes(a, n);
+	}
+}
+