feat: Add solution for LeetCode problem 11

Author: WhiteHyun

container-with-most-water/WhiteHyun.swift

@@ -0,0 +1,30 @@
+//  
+//  11. Container With Most Water
+//  https://leetcode.com/problems/container-with-most-water/description/
+//  Dale-Study
+//  
+//  Created by WhiteHyun on 2024/06/08.
+//  
+
+class Solution {
+  func maxArea(_ height: [Int]) -> Int {
+    var totalArea = 0
+    var left = 0
+    var right = height.endIndex - 1
+
+    while left < right {
+      let area = (right - left) * min(height[left], height[right])
+      if area > totalArea {
+        totalArea = area
+      }
+
+      if height[left] < height[right] {
+        left += 1
+      } else {
+        right -= 1
+      }
+    }
+
+    return totalArea
+  }
+}