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Added Kadanes Algo #590

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Added Kadanes Algo #590

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Update CONTRIBUTORS.md
rudra1ghosh Oct 31, 2023
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rudra1ghosh Oct 31, 2023
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37 changes: 37 additions & 0 deletions Algorithms/MaxSubarraySum.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
#include <bits/stdc++.h>
using namespace std;

long long maxSubarraySum(int arr[], int n) {
long long maxi = LONG_MIN; // maximum sum
long long sum = 0;

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

sum += arr[i];

if (sum > maxi) {
maxi = sum;
}

// If sum < 0: discard the sum calculated
if (sum < 0) {
sum = 0;
}
}

// To consider the sum of the empty subarray
// uncomment the following check:

//if (maxi < 0) maxi = 0;

return maxi;
}

int main()
{
int arr[] = { -2, 1, -3, 4, -1, 2, 1, -5, 4};
int n = sizeof(arr) / sizeof(arr[0]);
long long maxSum = maxSubarraySum(arr, n);
cout << "The maximum subarray sum is: " << maxSum << endl;
return 0;
}
1 change: 1 addition & 0 deletions CONTRIBUTORS.md
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Expand Up @@ -33,5 +33,6 @@ United Kingdom - https://github.com/cu-sanjay/HacktoberFest2023/assets/96792511/
|[Naveen Kumar .v](https://github.com/NK-dev-24) | <img src="https://github.com/cu-sanjay/HacktoberFest2023/assets/96792511/5adfd776-ce7e-4467-92dd-727a12239cd1" alt="India" width="32" height="32"> | I'm a Student. |
|[Chandan Arya](https://github.com/alpha2lucifer) | <img src="https://github.com/cu-sanjay/HacktoberFest2023/assets/96792511/5adfd776-ce7e-4467-92dd-727a12239cd1" alt="India" width="32" height="32"> | I am a passionate developer with a keen interest in blockchain technology and decentralized applications. My focus lies in creating efficient and secure solutions, and I enjoy exploring various programming languages and frameworks to build innovative applications.|
|[Tushar khatri](https://github.com/tusharkhatri434) | <img src="https://github.com/cu-sanjay/HacktoberFest2023/assets/96792511/5adfd776-ce7e-4467-92dd-727a12239cd1" alt="India" width="32" height="32"> | I'm a Frontend developer (ReactJs) |
|[Rudranil Ghosh](https://github.com/rudra1ghosh) | <img src="https://github.com/cu-sanjay/HacktoberFest2023/assets/96792511/5adfd776-ce7e-4467-92dd-727a12239cd1" alt="India" width="32" height="32"> | I'm a programmer, learning one step at a time. |