题意是一只虫子在深度为 n 的井中,每分钟向上爬 u 单位,下一分钟会下滑 d 单位,问几分钟能爬出井. 本人是直接模拟的,这篇博客的分析比较好一些,应当学习这种分析问题的思路:http://www.cnblogs.com/A--Q/p/5719353.html 代码如下: #include <bits/stdc++.h> using namespace std; int main() { int n,u,d,pos,ans; while(~scanf("%d%d%d",&…
Problem Description A snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 foot at night while sleeping. The snail has a fatigue factor of 10%, which means that on ea…
The Snail A snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 foot at night while sleeping. The snail has a fatigue factor of 10%, which means that on each succ…