从左往右维护两个指针l,r表示离i最近的k个点的区间,预处理出每个点出发的后继,然后倍增. #include<cstdio> typedef long long ll; const int N=1000010,BUF=20000000,OUT=8000000; int n,k,i,l=1,r,f[N],g[N],t[N],Outn[20],Outcnt;ll m,a[N];char Buf[BUF],*buf=Buf,Out[OUT],*ou=Out; inline ll read(){ll…
A frog is crossing a river. The river is divided into x units and at each unit there may or may not exist a stone. The frog can jump on a stone, but it must not jump into the water. Given a list of stones' positions (in units) in sorted ascending ord…
http://acm.hdu.edu.cn/showproblem.php?pid=5037 网络赛 北京 比较难的题 Frog Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 99 Accepted Submission(s): 11 Problem Description Once upon a time, there is…
C. Mike and Frog time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mike has a frog and a flower. His frog is named Xaniar and his flower is named Abol. Initially(at time 0), height of Xaniar…
A frog is crossing a river. The river is divided into x units and at each unit there may or may not exist a stone. The frog can jump on a stone, but it must not jump into the water. Given a list of stones' positions (in units) in sorted ascending ord…
The Troublesome Frog Time Limit: 5000MS Memory Limit: 100000K Total Submissions: 9581 Accepted: 2883 Case Time Limit: 500MS Description In Korea, the naughtiness of the cheonggaeguri, a small frog, is legendary. This is a well-deserved reputation, be…
A frog is crossing a river. The river is divided into x units and at each unit there may or may not exist a stone. The frog can jump on a stone, but it must not jump into the water. Given a list of stones' positions (in units) in sorted ascending ord…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4004 The annual Games in frogs' kingdom started again. The most famous game is the Ironfrog Triathlon. One test in the Ironfrog Triathlon is jumping. This project requires the frog athletes to jump over…
