http://acm.hdu.edu.cn/showproblem.php?pid=5186 题意是分别对每一位做b进制加法,但是不要进位 模拟,注意:1 去掉前置0 2 当结果为0时输出0,而不是全部去掉 #include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int maxn=101; const int maxm=201; int n,b; char…

zhx's submissions Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 540    Accepted Submission(s): 146 Problem Description As one of the most powerful brushes, zhx submits a lot of code on many o…

Problem Description As one of the most powerful brushes, zhx submits a lot of code on many oj and most of them got AC. One day, zhx wants to count how many submissions he made on n ojs. He knows that on the ith oj, he made ai submissions. And what yo…

zhx's submissions Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2293    Accepted Submission(s): 641 Problem Description As one of the most powerful brushes, zhx submits a lot of code on many o…

easy !! #include <iostream> #include <cstdio> #include <algorithm> #define LL __int64 using namespace std; ],l; ]; struct BigNumber{ int B,len; ]; void init(){ len=; ;i<=;i++) num[i]=; } void add_BigNubmer(int *a,int l){ len=max(len,l…

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;…

http://acm.hdu.edu.cn/showproblem.php?pid=4859 题目大意: 在一个矩形周围都是海,这个矩形中有陆地,深海和浅海.浅海是可以填成陆地的. 求最多有多少条方格线满足两侧分别是海洋和陆地 这道题很神 首先考虑一下,什么情况下能够对答案做出贡献 就是相邻的两块不一样的时候 这样我们可以建立最小割模型,可是都说是最小割了 无法求出最大的不相同的东西 所以我们考虑转化,用总的配对数目 - 最小的相同的对数 至于最小的相同的对数怎么算呢? 我们考虑这样的构造方法:…

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…