diff --git a/cpp/maximumSubarraySum.cpp b/cpp/maximumSubarraySum.cpp
new file mode 100644
index 00000000..59cd67bf
--- /dev/null
+++ b/cpp/maximumSubarraySum.cpp
@@ -0,0 +1,41 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+ class Solution {
+public:
+    int maxSubArray(vector<int>& nums) {
+        int sum=INT_MIN,curr=0;
+        for(int i=0;i<nums.size();i++)
+        {
+            curr+=nums[i];
+            if(sum<curr)
+            sum=curr;
+
+            if(curr<0)
+            curr=0;
+        }
+        return sum;
+    }
+};
+int main()
+{
+    Solution obj;
+   int t;cin>>t;
+   while(t--)
+   {
+       int n;//size of the input array
+       cin>>n;
+       int a;
+    vector<int> v;//taking user input for the array
+    for(int i=0 ; i<n ; i++)
+    {
+        cin>>a;
+        v.push_back(a);
+    }
+    int ans = obj.maxSubArray(v);
+    cout<<ans<<endl;
+   }
+
+    return 0;
+}