概率论
神题不会捉啊……挖个坑先
orz 贾教 & QuarterGeek
1 /************************************************************** 2 Problem: 3093 3 User: Tunix 4 Language: C++ 5 Result: Accepted 6 Time:0 ms 7 Memory:804 kb 8 ****************************************************************/ 9 10 //BZOJ 3093 11 #include<cstdio> 12 int main(){ 13 int n,p,q,t=0; 14 while(scanf("%d%d%d",&n,&p,&q)!=EOF) 15 printf("Case %d: %.4f ",++t,(q+1.0)/(p+2.0)); 16 return 0; 17 }