diff --git a/TangDou/LanQiaoBei/LanQiao14STEMA202301/5.cpp b/TangDou/LanQiaoBei/LanQiao14STEMA202301/5.cpp
new file mode 100644
index 0000000..37739f5
--- /dev/null
+++ b/TangDou/LanQiaoBei/LanQiao14STEMA202301/5.cpp
@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+// Hello world
+int main() {
+    char s[15];
+    cin >> s; // 原因：Hello world中存在空格，而cin会只读取前半部分Hello,所以长度是5
+    cout << strlen(s);
+    return 0;
+}
\ No newline at end of file