diff --git a/cplusplus/max_sum_contiguous_subarray.cpp b/cplusplus/max_sum_contiguous_subarray.cpp
new file mode 100644
index 00000000..dbc1f4d8
--- /dev/null
+++ b/cplusplus/max_sum_contiguous_subarray.cpp
@@ -0,0 +1,15 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+    int n;
+    cout<<"Enter no of elements\n";
+    cin>>n;
+    int arr[n];
+    cout<<"Enter the elements\n";
+    for(int i=0;i<n;i++) cin>>arr[i];
+    int start=0,end=0,sum=0,maxsum=0;
+    for(int i=0;i<n;i++){ sum+=arr[i]; if(sum<0) { sum=0; start=i+1;}  if(sum>maxsum){   maxsum=sum; end=i; } }
+    cout<<"Max sum starts from "<<start<<" and ends at "<<end;
+    return 0;
+}
\ No newline at end of file