龟兔赛跑

 1 #include<cstdio>
 2 #include<cstring>
 3 #include<iostream>
 4 
 5 using namespace std;
 6 #define INF 0x3f3f3f3f
 7 
 8 int main()
 9 {
10     int n;
11     double L,VR,VT1,VT2,p[200],dp[200],C,T;
12     while(cin>>L>>n>>C>>T>>VR>>VT1>>VT2)
13     {
14         memset(dp,0,sizeof(dp));
15         for(int i=1;i<=n;i++) cin>>p[i];
16 
17         p[0]=0;
18         p[n+1]=L;
19 
20         for(int i=1;i<=n+1;i++)
21         {
22             dp[i]=INF;
23             for(int j=0;j<i;j++)
24             {
25                 double len=p[i]-p[j],time;
26                 if(len>=C) time=(len-C)/VT2+C/VT1;
27                 else time=len/VT1;
28                 time+=dp[j];
29                 if(j) time+=T;
30                 dp[i]=min(dp[i],time);
31             }
32         }
33         double time2=L/VR;
34         if(time2<dp[n+1]) cout<<"Good job,rabbit!"<<endl;
35         else cout<<"What a pity rabbit!"<<endl;
36     }
37 }