Description Simon ), the first ball is released and falls down due to the gravity. After that, the balls are released one by one in every second until all balls have been released. When a ball hits the ground, it will bounce back with the same speed…

Physics Experiment Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 2936   Accepted: 1045   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment,…

Physics Experiment Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 1489   Accepted: 509   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment,…

和蚂蚁问题类似. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<queue> #include<algorithm> using namespace std; int c,n; double h,r,t,T; ]; double cal(double time) { ) return h; ; ) { if(time<=T…

Physics Experiment Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 1031   Accepted: 365   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment,…

原题如下: Physics Experiment Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3583   Accepted: 1275   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the exper…

Physics Experiment Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 784   Accepted: 266   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment, a…

  Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 1363   Accepted: 476   Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment, all N balls are f…

数据库查询行转列 1.原数据库值 stdname stdsubject result 张三 语文 张三 数学 张三 物理 李四 语文 李四 数学 李四 物理 李四 化学 李四 化学 2.要得到如下表 stdname 语文 数学 物理 化学 李四 张三 NULL 3.实现方法 --第一种 调用行转列函数 select * from (select stdname,stdsubject,result from test1 ) as a pivot(sum(result) for stdsubject…

Physics Experiment Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3392 Accepted: 1177 Special Judge Description Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment, all N…