A http://acm.hdu.edu.cn/showproblem.php?pid=5112 输入n个时刻和位置,问那两个时刻间速度最快. 解法:按照时间排序,然后依次求相邻两个之间的速度,速度=ds/dt #include<cstdio> #include<algorithm> using namespace std; ; struct G{ int t,x; friend bool operator <(const G &a,const G &b){…
A Curious Matt Time Limit: 2000/2000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 3058 Accepted Submission(s): 1716 Problem Description There is a curious man called Matt. One day, Matt's best friend Ted is w…
本题解不包括个人觉得太水的题(J题本人偷懒没做). 个人觉得这场其实HDU-5116要比HDU-5118难,不过赛场情况似乎不是这样.怀疑是因为老司机带错了路. 这套题,个人感觉动态规划和数论是两个主要的考点. HDU 5113 Black And White HDU 5114 Collision HDU 5116 Everlasting L HDU 5117 Fluorescent HDU 5118 GRE Words Once More!…
题目传送门 设dp[i][j]为杀掉区间i到j之间的狼需要付出的最小代价,那么dp[i][j]=min{dp[i][k-1]+dp[k+1][j]+a[k]+b[i-1]+b[j+1]} Java代码 import java.io.*; import java.util.*; class MyInputStream extends InputStream { public BufferedInputStream bis = new BufferedInputStream(System.in);…
周六周末组队训练赛. Dogs' Candies Time Limit: 30000/30000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 3920 Accepted Submission(s): 941 Problem Description Far far away, there live a lot of dogs in the forest. Unlike…