diff --git a/InSange/README.md b/InSange/README.md
index acd9934..b618d53 100644
--- a/InSange/README.md
+++ b/InSange/README.md
@@ -19,4 +19,5 @@
 | 15차시 | 2024.05.27 |  정렬  | [통나무 건너뛰기](https://www.acmicpc.net/problem/11497)  | [#15](https://github.com/AlgoLeadMe/AlgoLeadMe-8/pull/57)]
 | 16차시 | 2024.06.28 |  그래프  | [Maximum_Total_Importance_ofRoads](https://leetcode.com/problems/maximum-total-importance-of-roads/)  | [#16](https://github.com/AlgoLeadMe/AlgoLeadMe-8/pull/63)]
 | 17차시 | 2024.06.28 |  문자열  | [Zigzag Conversion](https://leetcode.com/problems/zigzag-conversion/)  | [#17](https://github.com/AlgoLeadMe/AlgoLeadMe-8/pull/64)]
+| 18차시 | 2024.07.10 |  문자열  | [Crawler Log Folder](https://leetcode.com/problems/crawler-log-folder/)  | [#18](https://github.com/AlgoLeadMe/AlgoLeadMe-8/pull/64)]
 ---
diff --git "a/InSange/\353\254\270\354\236\220\354\227\264/1598_Crawler Log Folder.cpp" "b/InSange/\353\254\270\354\236\220\354\227\264/1598_Crawler Log Folder.cpp"
new file mode 100644
index 0000000..0e2c634
--- /dev/null
+++ "b/InSange/\353\254\270\354\236\220\354\227\264/1598_Crawler Log Folder.cpp"	
@@ -0,0 +1,21 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+class Solution {
+public:
+    int minOperations(vector<string>& logs) {
+        int height;
+
+        height = 0;
+
+        for (auto str : logs)
+        {
+            if (str[0] != '.') height++;
+            else if (str == "../") height = (height ? height - 1 : 0);
+        }
+
+        return height;
+    }
+};
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