Submission #736621

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Source Code Expand

#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define inf 2000000000

#include <iostream>
#include <queue>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
using namespace std;
typedef pair<int,int> P;

int main(){
	int L,X,Y,S,D;
	cin>>L>>X>>Y>>S>>D;
	double ans;
	int Z=abs(X-Y);
	if(S<=D){
		if(Z==0) ans=(double)(D-S)/(Y+X);
		else if(Y<X) ans=(double)(D-S)/(Y+X);
		else ans=min((double)(D-S)/(Y+X),(double)(L+S-D)/(Y-X));
	}
	else{
		if(Z==0)ans=(double)(L+D-S)/(Y+X);
		else if(Y<X)ans=(double)(L+D-S)/(Y+X);
		else ans=min((double)(L+D-S)/(Y+X),(double)(S-D)/(Y-X));
	}
	printf("%.10f\n",ans);
	return 0;
}

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