diff --git a/Luogu/problem/P5197/P5197.cpp b/Luogu/problem/P5197/P5197.cpp
new file mode 100644
index 00000000..f77b7733
--- /dev/null
+++ b/Luogu/problem/P5197/P5197.cpp
@@ -0,0 +1,15 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, u, v, deg[100005], ans;
+
+int main() {
+    cin >> n;
+    for (int i = 1; i < n; i++) {
+        cin >> u >> v;
+        ans = max({ans, ++deg[u], ++deg[v]});
+    }
+    cout << ++ans << endl;
+    return 0;
+}