new file: P1044.cpp

P1044.cpp

@@ -0,0 +1,11 @@
+// 129
+#include <bits/stdc++.h>
+using namespace std;
+int ans[19] = {0, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670, 129644790, 477638700};
+int main()
+{
+    int n;
+    cin >> n;
+    cout << ans[n];
+    return 0;
+}