【BZOJ】【3093】【FDU校赛2012】A Famous Game

概率论

　　神题不会捉啊……挖个坑先

　　orz 贾教 & QuarterGeek

 /**************************************************************
     Problem: 3093
     User: Tunix
     Language: C++
     Result: Accepted
     Time:0 ms
     Memory:804 kb
 ****************************************************************/

 //BZOJ 3093
 #include<cstdio>
 int main(){
     int n,p,q,t=;
     while(scanf("%d%d%d",&n,&p,&q)!=EOF)
         printf("Case %d: %.4f\n",++t,(q+1.0)/(p+2.0));
     return ;
 }