#include<bits/stdc++.h> using namespace std; int main() { double a,m,n=0; cin >> a>>n; cout<<fixed<<setprecision(2)<<(a-n*0.8)<<endl; }
By signing up a Hydro universal account, you can submit code and join discussions in all online judging services provided by us.
Using your Hydro universal account
hantina
LV 2
SU
@ 2025-12-10 21:23:42