Find The Sum Of Maximum Subcontagious Array. Code Example

Snippet 1

  import java.io.*; 
// Java program to print largest contiguous array sum 
import java.util.*; 
  
class Kadane 
{ 
    public static void main (String[] args) 
    { 
        int [] a = {-2, -3, 4, -1, -2, 1, 5, -3}; 
        System.out.println("Maximum contiguous sum is " + 
                                       maxSubArraySum(a)); 
    } 
  
    static int maxSubArraySum(int a[]) 
    { 
        int size = a.length; 
        int max_so_far = Integer.MIN_VALUE, max_ending_here = 0; 
  
        for (int i = 0; i < size; i++) 
        { 
            max_ending_here = max_ending_here + a[i]; 
            if (max_so_far < max_ending_here) 
                max_so_far = max_ending_here; 
            if (max_ending_here < 0) 
                max_ending_here = 0; 
        } 
        return max_so_far; 
    } 
}

Snippet 2

  int maxSubArraySum(int a[], int size) 
{ 
    int max_so_far = INT_MIN, max_ending_here = 0; 
  
    for (int i = 0; i < size; i++) 
    { 
        max_ending_here = max_ending_here + a[i]; 
        if (max_so_far < max_ending_here) 
            max_so_far = max_ending_here; 
  
        if (max_ending_here < 0) 
            max_ending_here = 0; 
    } 
    return max_so_far; 
}