#include<bits/stdc++.h> //万能开头#doge#,这谁都知道吧。 using namespace std; int main(){ int a,a1; float n; cin>>a>>a1; n=aa1a1*3.14159; //不会有人不知道圆周率吧？ cout<<ceil(20000/n); return 0; }

#include <iostream> using namespace std; int main(){ double h,r; cin>>h>>r; double s,pi = 3.14159; s =rrpih; int count=201000/s; cout << count + 1; return 0; }

#include <bits/stdc++.h> using namespace std; int main() { long long h,r; cin>>h>>r; double x=rr3.14159*h; cout<<ceil(20000/x); return 0; }

#include <iostream> using namespace std; int h, r; int Up(double num) { int intNum = static_cast<int>(num); if (intNum < num) { return intNum + 1; } else { return intNum; } } int main() { }

#include<iostream> using namespace std; int main(){ int a,b; cin>>a>>b; double c=bb3.14159*a; int d=20000/c+1; cout<<d; }

#include <bits/stdc++.h> using namespace std; int main(){ int h,r; cin >> h >> r; double b = (r * r * 3.14159 * h); int res= 20000/b + 1; cout << res; return 0; }