diff --git a/TangDou/LanQiaoBei/LanQiao15STEMA20231217/10.cpp b/TangDou/LanQiaoBei/LanQiao15STEMA20231217/10.cpp
new file mode 100644
index 0000000..df981a0
--- /dev/null
+++ b/TangDou/LanQiaoBei/LanQiao15STEMA20231217/10.cpp
@@ -0,0 +1,26 @@
+#include <bits/stdc++.h>
+using namespace std;
+int k;
+string kill(string s) {
+    int p = 0;
+    for (int i = 0; i < s.size() - 1; i++)
+        if (s[i + 1] > s[i]) {
+            p = i;
+            break;
+        }
+
+    string res;
+    for (int i = 0; i < s.size(); i++)
+        if (i != p) res += s[i];
+    return res;
+}
+
+int main() {
+    string s;
+    cin >> s;
+
+    cin >> k;
+    for (int i = 1; i <= k; i++) s = kill(s);
+    cout << s << endl;
+    return 0;
+}
\ No newline at end of file