Information
- ID
- 843
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 3
- Tags
- (None)
- # Submissions
- 152
- Accepted
- 57
- Uploaded By
#include<bits/stdc++.h>
using namespace std;
int main(){
double a,b,c,d,e,f,g;
cin>>d>>e>>f>>g;
a = d*e;
b = f*g;
c = (a-b)/(e-g)/1;
cout<<fixed<<setprecision(2)<<c;
return 0 ;
}