Add 26173.cpp

Hiyabye · Dec 29, 2024 · c989318 · c989318
1 parent 6e43b78
commit c989318
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/26xxx/26173.cpp b/26xxx/26173.cpp
@@ -0,0 +1,18 @@
+#include <cmath>
+#include <iomanip>
+#include <iostream>
+using namespace std;
+
+void solve(void) {
+  long long a; cin >> a;
+
+  cout << fixed << setprecision(10) << sqrt(a / M_PI) * 2;
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  solve();
+  return 0;
+}