Add 14264.cpp

Hiyabye · Jan 19, 2024 · d55f086 · d55f086
1 parent 637e0be
commit d55f086
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/14xxx/14264.cpp b/14xxx/14264.cpp
@@ -0,0 +1,18 @@
+#include <cmath>
+#include <iomanip>
+#include <iostream>
+using namespace std;
+
+void solve(void) {
+  int l; cin >> l;
+
+  cout << fixed << setprecision(10) << sqrt(3) / 4 * l * l;
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr); cout.tie(nullptr);
+
+  solve();
+  return 0;
+}