diff --git a/TangDou/LanQiaoBei/LanQiao14STEMA202301/3.cpp b/TangDou/LanQiaoBei/LanQiao14STEMA202301/3.cpp
new file mode 100644
index 0000000..fd08225
--- /dev/null
+++ b/TangDou/LanQiaoBei/LanQiao14STEMA202301/3.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+
+using namespace std;
+
+int func(int x) {
+    if (x <= 3)
+        return x * 2 - 1;
+    else if (x >= 6)
+        return func(x - 3) - 2;
+    else
+        return func(x + 1) + x;
+}
+
+int main() {
+    cout << func(14);
+    // f(14)=f(11)-2;
+    // f(11)=f(8)-2
+    // f(8)=f(5)-2
+    // f(5)=f(6)+5
+    // f(6)=f(3)-2
+    // f(3)=5
+    return 0;
+}
\ No newline at end of file
diff --git a/TangDou/LanQiaoBei/LanQiao14STEMA202301/题目.md b/TangDou/LanQiaoBei/LanQiao14STEMA202301/题目.md
new file mode 100644
index 0000000..504329d
--- /dev/null
+++ b/TangDou/LanQiaoBei/LanQiao14STEMA202301/题目.md
@@ -0,0 +1 @@
+https://ccgao.blog.csdn.net/article/details/134725679
\ No newline at end of file
diff --git a/TangDou/LanQiaoBei/LanQiao14STEMA20230212/10.cpp b/TangDou/LanQiaoBei/LanQiao14STEMA20230212/10.cpp
new file mode 100644
index 0000000..97414d9
--- /dev/null
+++ b/TangDou/LanQiaoBei/LanQiao14STEMA20230212/10.cpp
@@ -0,0 +1,5 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main() {
+    return 0;
+}
\ No newline at end of file