#include<bits/stdc++.h>
using namespace std;
 
#define debug(x) cerr << #x << ": " << (x) << endl
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define dwn(i,a,b) for(int i=(a);i>=(b);i--)
#define pb push_back
#define all(x) (x).begin(), (x).end()
 
#define x first
#define y second
using pii = pair<int, int>;
using ll = long long;
 
inline void read(int &x){
    int s=0; x=1;
    char ch=getchar();
    while(ch<'0' || ch>'9') {if(ch=='-')x=-1;ch=getchar();}
    while(ch>='0' && ch<='9') s=(s<<3)+(s<<1)+ch-'0',ch=getchar();
    x*=s;
}

const double eps=1e-8, pi=acos(-1);

/*start-----------------------------------------------------------------*/
struct Point{
    double x, y;
    Point(double x=0, double y=0): x(x), y(y){}
};

typedef Point Vector;

Vector operator + (Vector A, Vector B){return Vector(A.x+B.x, A.y+B.y);}
Vector operator - (Vector A, Vector B){return Vector(A.x-B.x, A.y-B.y);}
Vector operator * (Vector A, Vector B){return Vector(A.x*B.x, A.y*B.y);}
Vector operator / (Vector A, Vector B){return Vector(A.x/B.x, A.y/B.y);}

int sign(double x){
    if(fabs(x)<eps) return 0;
    return x<0? -1: 1;
}

int cmp(double x, double y){
    return sign(x-y);
}

bool operator < (const Point &a, const Point &b) {
    return sign(a.x-b.x)<0 || sign(sign(a.x-b.x)==0 && sign(a.y-b.y)<0);
}

double dot(Vector A, Vector B){
    return A.x*B.x+A.y*B.y;
}

double cross(Vector A, Vector B){
    return A.x*B.y-A.y*B.x;
}

double get_length(Vector A){
    return sqrt(dot(A, A));
}

double get_dist(Point a, Point b){
    return sqrt((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y));
}

double get_angle(Vector A, Vector B){
    return acos(dot(A, B)/get_length(A)/get_length(B));
}

double area(Point a, Point b, Point c){
    return cross(b-a, c-a);
}

double displ(Point a, Point b, Point c){
	double s=abs(area(a, b, c));
	double d=get_dist(b, c);
	return s/d;
}

// 向量 A 顺时针旋转 angle 度
Vector rotate(Vector A, double angle){
    return Vector(A.x*cos(angle)+A.y*sin(angle), -A.x*sin(angle)+A.y*cos(angle));
}

Point pt[110];
int n;

signed main(){
	cin>>n;
	rep(i, 1, n) cin>>pt[i].x>>pt[i].y;
	
	double res=1e9;
	
	rep(i, 1, n){
		double t=0;
		rep(j, 1, n){
			int k=j%n+1;
			t=max(t, displ(pt[i], pt[j], pt[k]));
		}
		res=min(res, t);
	}
	printf("%.2lf\n", res);
	
	return 0;
}