1 #include <stdio.h>
 2 #include <stdlib.h>
 3 #include <string.h>
 4 #include <iostream>
 5 #include <algorithm>
 6 #include <math.h>
 7 #include <iomanip>
 8 #define INF 0x3f3f3f3f
 9 using namespace std;
10
11 double x[210], y[210];
12 double Map[210][210];
13
14 void Solve()
15 {
16     int cnt = 1;
17     int n;
18     while(~scanf("%d", &n) && n)
19     {
20         for(int i = 1; i <= n; i++)
21         {
22             scanf("%lf%lf", &x[i], &y[i]);
23         }
24         for(int i = 1; i <= n-1; i++)
25         {
26             for(int j = i+1; j <= n; j++)
27             {
28                 double x2 = x[i]-x[j];
29                 double y2 = y[i]-y[j];
30                 Map[i][j] = Map[j][i] = sqrt(x2*x2+y2*y2);
31             }
32         }
33         for(int k = 1; k <= n; k++)
34         {
35             for(int i = 1; i <= n-1; i++)
36             {
37                 for(int j = i+1; j <= n; j++)
38                 {
39                     if(Map[i][k] < Map[i][j] && Map[k][j] < Map[i][j])
40                     {
41                         if(Map[i][k] < Map[k][j])
42                         {
43                             Map[i][j] = Map[j][i] = Map[k][j];
44                         }
45                         else
46                         {
47                             Map[i][j] = Map[j][i] = Map[i][k];
48                         }
49                     }
50                 }
51             }
52         }
53         /*printf("Scenario #1%d\n", cnt++);
54         printf("Frog Distance = %.3f\n", Map[1][2]);*/
55         cout<<"Scenario #"<<cnt++<<endl;
56         cout<<fixed<<setprecision(3)<<"Frog Distance = "<<Map[1][2]<<endl<<endl;
57     }
58 }
59
60 int main()
61 {
62     Solve();
63
64     return 0;
65 }