diff --git a/mini-zun/README.md b/mini-zun/README.md
index 3c24aca..d716520 100644
--- a/mini-zun/README.md
+++ b/mini-zun/README.md
@@ -10,4 +10,5 @@
 | 6차시 | 2025.06.16 | https://school.programmers.co.kr/learn/courses/30/lessons/42898 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/28 |
 | 7차시 | 2025.07.02 | https://school.programmers.co.kr/learn/courses/30/lessons/87390 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/33 |
 | 8차시 | 2025.08.10 | https://school.programmers.co.kr/learn/courses/30/lessons/389480 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/38 |
-| 9차시 | 2025.08.18 | https://school.programmers.co.kr/learn/courses/30/lessons/142085 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/40 |
\ No newline at end of file
+| 9차시 | 2025.08.18 | https://school.programmers.co.kr/learn/courses/30/lessons/142085 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/40 |
+| 10차시 | 2025.08.24 | https://school.programmers.co.kr/learn/courses/30/lessons/148652 | https://github.com/AlgoLeadMe/AlgoLeadMe-16/pull/42 |
\ No newline at end of file
diff --git "a/mini-zun/\352\265\254\355\230\204/10-mini-zun.cpp" "b/mini-zun/\352\265\254\355\230\204/10-mini-zun.cpp"
new file mode 100644
index 0000000..2111bc8
--- /dev/null
+++ "b/mini-zun/\352\265\254\355\230\204/10-mini-zun.cpp"
@@ -0,0 +1,24 @@
+#include <string>
+#include <vector>
+
+using namespace std;
+bool isZere(long long x){
+    while(x > 0) {
+        if(x%5 == 2){
+            return true;
+        }
+        x/=5;
+    }
+    return false;
+}
+int solution(int n, long long l, long long r) {
+    int answer = 0;
+    for(long long i = l; i <= r; i++){
+        long long x = i - 1;
+        
+        if(!isZere(x)) {
+            answer++;
+        }
+    }
+    return answer;
+}
\ No newline at end of file