链接: https://vjudge.net/problem/LightOJ-1311 题意: A bird was flying on a train line, singing and passing lazy times. After a while it saw a train coming from its behind, so, it speeded up a bit, but remained calm. After a while it saw another train com…
A. Wizards and Trolleybuses Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/167/problem/A Description In some country live wizards. They love to ride trolleybuses. A city in this country has a trolleybus depot with n trolle…
Problem Description A single playing card can be placed on a table, carefully, so that the short edges of the card are parallel to the table's edge, and half the length of the card hangs over the edge of the table. If the card hung any further out, w…
Rower Bo 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5761 Description There is a river on the Cartesian coordinate system,the river is flowing along the x-axis direction. Rower Bo is placed at (0,a) at first.He wants to get to origin (0,0) by boa…
Crazy TankTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5033 Accepted Submission(s): 1017 Problem DescriptionCrazy Tank was a famous game about ten years ago. Every child liked it. Time fli…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1155 题目很长,但是很容易理解,就是人从高s的桥上跳下来,手拉着长为l的绳子末端,如果绳子太短那么人将在空中输出Stuck in the air. 如果人落地速度大于10的话就死了,输出Killed by the impact.否则是活的输出James Bond survives. 简单的物理题:假如说人能到地上那么是重力势能转化成动能,其中会有绳子做负功: G=mgh: Wf=k*L*L/2;其中…
传送门: Bungee Jumping Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1718 Accepted Submission(s): 729 Problem Description Once again, James Bond is fleeing from some evil people who want to se…