문제
풀이
#include <iomanip>
#include <iostream>
using namespace std;
void solve(void) {
int n; cin >> n;
int x; cin >> x;
cout << fixed << setprecision(7) << 10000.0 / (100.0 - x) - 100.0;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}