0-9 AC

2002.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+#include <iomanip>
+#define PI 3.1415927
+#include <cmath>
+using namespace std;
+int main(){
+    double a,o;
+    while(cin>>a){
+        o = 4.0 / 3.0 * PI * pow(a,3);
+        cout << setiosflags(ios::fixed) << setprecision(3) << o << endl;
+    }
+    return 0;
+}