add: description

cpp/2206/220608.cpp

@@ -0,0 +1,12 @@
+/**
+ * 1332. Remove Palindromic Subsequences
+ * You are given a string s consisting only of letters 'a' and 'b'. In a single step you can remove one palindromic subsequence from s.
+ *
+ * Return the minimum number of steps to make the given string empty.
+ *
+ * A string is a subsequence of a given string if it is generated by deleting some characters of a given string without changing its order. Note that a subsequence does not necessarily need to be contiguous.
+ *
+ * A string is called palindrome if is one that reads the same backward as well as forward.
+ *
+ * Refer: 220122-CN.cpp
+ */

cpp/2206/220613-CN.cpp

@@ -1,6 +1,13 @@
 #include <vector>
 #include <algorithm>
 
+/**
+ * 1051. Height Checker
+ * A school is trying to take an annual photo of all the students. The students are asked to stand in a single file line in non-decreasing order by height. Let this ordering be represented by the integer array expected where expected[i] is the expected height of the ith student in line.
+ * You are given an integer array heights representing the current order that the students are standing in. Each heights[i] is the height of the ith student in line (0-indexed).
+ * Return the number of indices where heights[i] != expected[i].
+ */
+
 class Solution {
 public:
 	static int heightChecker(const std::vector<int>& h) {