Dogs' Candies Time Limit: 30000/30000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others) Total Submission(s): 1701 Accepted Submission(s): 404 Problem Description Far far away, there live a lot of dogs in the forest. Unlike other dogs, thos…
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…
一.预备知识 \(tD/eD\) 问题:状态 t 维,决策 e 维.时间复杂度\(O(n^{e+t})\). 四边形不等式: 称代价函数 w 满足凸四边形不等式,当:\(w(a,c)+w(b,d)\le w(b,c)+w(a,d),\ a < b < c < d\) 如下所示,区间1.2对应的 w 之和 ≤ 3.4之和 \[ \underbrace {\overbrace {a \to \underbrace{b \to c}_3}^1 \to d }_4 \llap{\overbrac…
Saving HDU Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194 Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的. 一天,当他正在苦思冥想解困良策的…
http://acm.hdu.edu.cn/showproblem.php?pid=3037 Lucas定理模板. 现在才写,noip滚粗前兆QAQ #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; int jc[100003]; int p; int ipow(int x, int b) { ll t = 1, w = x;…
Special equations Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4569 Description Let f(x) = a nx n +...+ a 1x +a 0, in which a i (0 <= i <= n) are all known integers. We call f(x) 0 (mod…
The kth great number Time Limit:1000MS Memory Limit:65768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4006 Description Xiao Ming and Xiao Bao are playing a simple Numbers game. In a round Xiao Ming can choose to write down a nu…
How many integers can you find Time Limit:5000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1796 Description Now you get a number N, and a M-integers set, you should find out how many integers which are sm…
