added problem number 011 (container-with-most-water)(https://leetcode.com/problems/container-with-most-water/) (#501)

* added problem container-with-most-water and updated readme

Author: amrit-GH23

C++/container-with-most-water.cpp

@@ -0,0 +1,32 @@
+// https://leetcode.com/problems/container-with-most-water
+// code for the question : "container-with-most-water" 
+// language : cpp
+
+
+class Solution {
+    public:
+        int maxArea(vector<int>& height) {
+            int n = height.size();
+            int max_area = 0;  // Variable to store the maximum water that can be contained
+            int i = 0;         // Left pointer
+            int j = n - 1;     // Right pointer
+    
+            // Use two-pointer approach to find the maximum area
+            while (i < j) {
+                // Calculate the area between the two current pointers
+                int current_area = (j - i) * min(height[i], height[j]);
+    
+                // Update the maximum area found so far
+                max_area = max(max_area, current_area);
+    
+                // Move the pointer with the smaller height
+                if (height[i] < height[j]) {
+                    i++;  // Move left pointer to the right
+                } else {
+                    j--;  // Move right pointer to the left
+                }
+            }
+            return max_area;
+        }
+    };
+    

README.md

@@ -124,7 +124,7 @@ Check out ---> [Sample PR](https://github.com/codedecks-in/LeetCode-Solutions/pu
 | 119     | [Pascal's Triangle II](https://leetcode.com/problems/pascals-triangle-ii)                                                     | [Python](./Python/pascals-triangle-ii.py)                                                                         | _O(N^2)_     | _O(K)_        | Easy       |                    |                                          |
 | 1480    | [Running Sum of 1d Array](https://leetcode.com/problems/running-sum-of-1d-array/)                                             | [Java](./Java/running-sum-of-1d-array.java)                                                                       | _O(N)_       | _O(N)_        | Easy       | Simple sum         |                                          |
 | 42      | [Trapping Rain Water](https://leetcode.com/problems/trapping-rain-water/)                                                     | [Python](./Python/trapping_rain.py)                                                                               | _O(N^2)_     | _O(N)_        | Hard       | Array              |                                          |
-| 11      | [Container with Most Water](https://leetcode.com/problems/container-with-most-water/)                                         | [Python](./Python/container_with_most_water.py)                                                                   | _O(N)_       | _O(N)_        | Medium     | Array Two Pointers |                                          |
+| 11      | [Container with Most Water](https://leetcode.com/problems/container-with-most-water/)                                         | [Python](./Python/container_with_most_water.py) <br>  [C++](./C++/container-with-most-water.cpp)                                                                  | _O(N)_       | _O(N)_        | Medium     | Array Two Pointers |                                          |
 | 1134 🔒 | [Armstrong Number](https://leetcode.com/problems/armstrong-number/)                                                           | [Java](./Java/Armstrong-Number.java)                                                                              | _O(N)_       | _O(1)_        | Easy       |                    |                                          |
 | 1534    | [Count Good Triplets](https://leetcode.com/problems/count-good-triplets/)                                                     | [Python](./Python/count-good-triplets.py)                                                                         | _O(N^3)_     | _O(1)_        | Easy       |                    |                                          |
 | 1572    | [Matrix Diagonal Sum](https://leetcode.com/problems/matrix-diagonal-sum/)                                                     | [Java](./Java/matrix-diagonal-sum.java)                                                                           | _O(N)_       | _O(1)_        | Easy       |                    |                                          |
@@ -297,6 +297,7 @@ Check out ---> [Sample PR](https://github.com/codedecks-in/LeetCode-Solutions/pu
 | 015 | [3 Sum](https://leetcode.com/problems/3sum/)                                                  | [C++](./C++/3sum.cpp)                                                                                                  | _O(N)_                 | _O(1)_             | Medium     | Two Pointer |                  |
 | 021 | [Merge Two Sorted Lists](https://leetcode.com/problems/merge-two-sorted-lists/)               | [C++](./C++/Longest-Mountain-in-Array.cpp)                                                                             | _O(N)_                 | _O(1)_             | Easy       | Two Pointer |                  |
 
+
 <br/>
 <div align="right">
     <b><a href="#algorithms">⬆️ Back to Top</a></b>
@@ -515,6 +516,8 @@ DISCLAIMER: This above mentioned resources have affiliate links, which means if
 | [Shrimadh V Rao](https://github.com/Shrimadh) <br> <img src="https://avatars.githubusercontent.com/u/64469917?v=4" width="100" height="100">                                                                   | India          | C++                  |  [GitHub](https://github.com/Shrimadh)
 | [Shreyas Shrawage](https://github.com/shreyventure) <br> <img src = "https://avatars.githubusercontent.com/u/55741087?v=4" width="100" height="100"> | India | Python | [CodeChef](https://www.codechef.com/users/shreyventure)<br/>[LeetCode](https://leetcode.com/shreyventure/)<br/>[HackerRank](https://www.hackerrank.com/shreyas_shrawage)
 | [Surbhi Mayank](https://github.com/surbhi2408) <br> <img src="https://avatars.githubusercontent.com/u/58289829?s=400&u=68fd396819b927ec4d8820d87d6d1e311c3abd01&v=4" width="100" height="100">                                                                   | India          | C++                  |  [GitHub](https://github.com/surbhi2408)
+|  [Amrit Kumar](https://github.com/amrit-GH23) <br> <img src="https://avatars.githubusercontent.com/u/146119347?s=400&u=599ba9f51c94e08861dc01580db03fadde609ad8&v=4" width="100"  height="100">      | India          | C++                 | [CodeChef](https://www.codechef.com/users/amrit_kumar08)<br/>[Linkedin](https://www.linkedin.com/in/amrit-kumar-28053b253/)
+
 <div align="right">
     <b><a href="#algorithms">⬆️ Back to Top</a></b>
 </div>