Day 23 Problem

Author: vamsikrish53

README.md

@@ -26,4 +26,4 @@ Solutions of the problems that I solved in LeetCode during [May LeetCoding Chall
 | 20 | [Kth Smallest Element in a BST](https://leetcode.com/problems/kth-smallest-element-in-a-bst/solution/)| Tree | Medium |
 | 21 | [Count Square Submatrices with All Ones](https://leetcode.com/problems/count-square-submatrices-with-all-ones/)| DP | Hard |
 | 22 | [Sort Characters By Frequency](https://leetcode.com/problems/sort-characters-by-frequency/)| Priority Queue | Medium |
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+| 23 | [Interval List Intersections](https://leetcode.com/problems/interval-list-intersections/)| Array | Medium |