diff --git a/5 DSA/5 ARRAY/11_Maximum_Points.cpp b/5 DSA/5 ARRAY/11_Maximum_Points.cpp
new file mode 100644
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+++ b/5 DSA/5 ARRAY/11_Maximum_Points.cpp	
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+// Maximum Points You Can Obtain from Cards
+// Problem link:
+// https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/
+
+#include <bits/stdc++.h>
+using namespace std;
+
+// Approach 1:
+// Prefix Sum
+class Solution {
+public:
+     
+    int maxScore(vector<int>& cardPoints, int k) {
+       
+        int n = cardPoints.size();
+        
+        vector<int> prefix_sum(n+1);
+        
+        prefix_sum[1] = cardPoints[0];
+        for(int i = 1; i < n; i++)
+        {
+            prefix_sum[i+1] =  prefix_sum[i] + cardPoints[i];
+        }
+        
+        int middle_sum = prefix_sum[n];
+        for(int i = n-k; i <= n; i++)
+        {
+            middle_sum = min(middle_sum, prefix_sum[i]-prefix_sum[i-(n-k)]);
+        }
+        
+        return prefix_sum[n]-middle_sum;
+        
+    }
+};
+
+ // Approach 2:
+ // Sliding Window
+class Solution {
+public:
+        int l = 0, r = n-k;
+        int tot_sum = accumulate(cardPoints.begin()+r, cardPoints.end(), 0LL);
+        int sum = tot_sum;
+        while(k--)
+        {
+            tot_sum += cardPoints[l++] - cardPoints[r++];
+            sum = max(sum, tot_sum);
+        }
+        return sum;
+    }
+};