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Added Kadane's Algorithm #290

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Added Kadane's Algorithm #290

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31 changes: 31 additions & 0 deletions recursion_dynamic/Kadane's Algorithm.cpp
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Original file line number Diff line number Diff line change
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// C++ program to print largest contiguous array sum
#include<iostream>
#include<climits>
using namespace std;

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;
}

/*Driver program to test maxSubArraySum*/
int main()
{
int a[] = {-2, -3, 4, -1, -2, 1, 5, -3};
int n = sizeof(a)/sizeof(a[0]);
int max_sum = maxSubArraySum(a, n);
cout << "Maximum contiguous sum is " << max_sum;
return 0;
}