From 62b45eb05bc2d94268ff14616d9567718cfb8fd3 Mon Sep 17 00:00:00 2001
From: manvika-10 <84900650+manvika-10@users.noreply.github.com>
Date: Wed, 26 Oct 2022 00:58:37 +0530
Subject: [PATCH] Added code for "Maximum Subarray Sum"

---
 MaxSubarraySum.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 MaxSubarraySum.cpp

diff --git a/MaxSubarraySum.cpp b/MaxSubarraySum.cpp
new file mode 100644
index 00000000..556ea67c
--- /dev/null
+++ b/MaxSubarraySum.cpp
@@ -0,0 +1,34 @@
+//Time Complexity : O(N)
+//Space Complexity : O(1)
+
+#include<bits/stdc++.h>
+using namespace std;
+
+int maxSubArraySum(int arr[], int size)
+{
+  int max_sum = INT_MIN, ending_index = 0;
+  
+  for(int i=0; i<size; i++)
+  {
+    ending_index = ending_index + arr[i];
+    if(max_sum < ending_index)
+    {
+      max_sum = ending_index;
+    }
+    if(ending_index < 0)
+    {
+      ending_index = 0;
+    }
+  }
+  return max_sum;
+}
+
+int main()
+{
+  int arr[] = {4,-3,4,-1,-5,1,9,-6};
+  int n = sizeof(arr)/sizeof(arr[0]);
+  
+  int ans = maxSubArraySum(arr,n);
+  cout << "Maximum Subarray Sum :" << ans;
+  return 0;
+}