diff --git a/C++/Data Structure/Kadane's Algorithm.cpp b/C++/Data Structure/Kadane's Algorithm.cpp
new file mode 100644
index 000000000..fc4246203
--- /dev/null
+++ b/C++/Data Structure/Kadane's Algorithm.cpp	
@@ -0,0 +1,22 @@
+class Solution{
+    public:
+    // arr: input array
+    // n: size of array
+    //Function to find the sum of contiguous subarray with maximum sum.
+    long long maxSubarraySum(int arr[], int n){
+        
+        // Your code here
+        long long maxi=INT_MIN;
+        long long sum=0;
+        for(int i=0;i<n;i++){
+            sum+=arr[i];
+            if(maxi<sum){
+                maxi=sum;
+            }
+            if(sum<0){
+                sum=0;
+            }
+        }
+        return maxi;
+    }
+};