Popular leetcode problem, count and say

strings/C++/CountAndSay.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+#include <string>
+
+class Solution {
+public:
+    std::string countAndSay(int n) {
+        std::string prev = "1";
+        for (int i = 2; i <= n; i++) {
+            char val = prev[0];
+            int count = 1;
+            std::string cur = "";
+            for (int j = 1; j < prev.length(); j++) {
+                if (prev[j] != val) {
+                    cur += std::to_string(count) + val;
+                    val = prev[j];
+                    count = 1;
+                } else {
+                    count++;
+                }
+            }
+            cur += std::to_string(count) + val;
+            prev = cur;
+        }
+        return prev;
+    }
+};
+
+int main() {
+    int n;
+    std::cout << "Enter a value of n: ";
+    std::cin >> n;
+
+    Solution solution;
+    std::string result = solution.countAndSay(n);
+
+    std::cout << "The " << n << "th term in the count-and-say sequence is: " << result << std::endl;
+
+    return 0;
+}