1729 Time Limit: 3 Seconds Memory Limit: 65536 KB 1729 is the natural number following 1728 and preceding 1730. It is also known as the Hardy-Ramanujan number after a famous anecdote of the British mathematician G. H. Hardy regarding a hospital…
A.ZOJ 3666 Alice and Bob 组合博弈,SG函数应用 #include<vector> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int maxn = 10000 + 100; int SG[maxn]; vector<int> g[maxn]; int mex(int u) { //minimal exc…
Hidden Passwordhttp://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=729 Time Limit: 2 Seconds Memory Limit: 65536 KB Some time the programmers have very strange ways to hide their passwords. See for example how Billy "Hacker" Geits hi…
第十三届浙江省大学生程序设计竞赛 I 题, 一道模拟题. ZOJ 3944http://www.icpc.moe/onlinejudge/showProblem.do?problemCode=3944 In a BG (dinner gathering) for ZJU ICPC team, the coaches wanted to count the number of people present at the BG. They did that by having the waitre…
A Simple Tree Problem Time Limit: 3 Seconds Memory Limit: 65536 KB Given a rooted tree, each node has a boolean (0 or 1) labeled on it. Initially, all the labels are 0. We define this kind of operation: given a subtree, negate all its labels. An…
这道题目还是简单的,但是自己WA了好几次,总结下: 1.对输入的总结,加上上次ZOJ Problem Set - 1334 Basically Speaking ac代码及总结这道题目的总结 题目要求输入的格式: START X Y Z END 这算做一个data set,这样反复,直到遇到ENDINPUT.我们可以先吸纳一个字符串判断其是否为ENDINPUT,若不是进入,获得XYZ后,吸纳END,再进行输出结果 2.注意题目是一个圆周,所以始终用锐角进行计算,即z=360-z; 3.知识点的误…