【HDOJ】5446 Unknown Treasure】的更多相关文章

1. 题目描述题目很简单,就是求$C(n,m) % M$. 2. 基本思路这是一道应用了众多初等数论定理的题目,因为数据范围较大因此使用Lucas求$C(n,m) % P$.而M较大,因此通过$a[i] = C(n,m)%P_i$再综合中国剩余定理可解.由于数据可能为$10^{18}$,再进行乘法可能超long long.因此,还需要模拟乘法. 3. 代码 /* 5446 */ #include <iostream> #include <sstream> #include <…
这就是个简单的bfs.真没什么好说的,三维的状态就可以了.每次预处理一下monster的位置,然后再恢复. /* 1924 */ #include <iostream> #include <sstream> #include <string> #include <map> #include <queue> #include <set> #include <stack> #include <vector> #in…
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5446 Unknown Treasure 问题描述 On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathematician entered the cave because it is there. Somewhere…
题目链接: Hdu 5446 Unknown Treasure 题目描述: 就是有n个苹果,要选出来m个,问有多少种选法?还有k个素数,p1,p2,p3,...pk,结果对lcm(p1,p2,p3.....,pk)取余. 解题思路: Lucas + 中国剩余定理,注意的是中国剩余定理的时候有可能会爆long long.然后用一个快速加法就好辣. #include <cstdio> #include <cstring> #include <iostream> #inclu…
HDU 5446 Unknown Treasure 题意:求C(n, m) %(p[1] * p[2] ··· p[k])     0< n,m < 1018 思路:这题基本上算是模版题了,Lucas定理求C(n,m),再用中国剩余定理合并模方程,因为LL相乘会越界,所以用到按位乘. #include <iostream> #include <cstdio> #include <fstream> #include <algorithm> #inc…
Unknown Treasure Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5446 Description On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathematician ent…
[题目链接] http://acm.hdu.edu.cn/showproblem.php?pid=5446 [题目大意] 给出一个合数M的每一个质因子,同时给出n,m,求C(n,m)%M. [题解] 首先我们可以用Lucas定理求出对答案对每个质因子的模,然后我们发现只要求解这个同余方程组就可以得到答案,所以我们用中国剩余定理解决剩下的问题. [代码] #include <cstdio> #include <cstring> #include <algorithm> u…
Unknown Treasure Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2209    Accepted Submission(s): 821 Problem Description On the way to the next secret treasure hiding place, the mathematician…
Unknown Treasure Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Problem Description On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathematician…
Unknown Treasure Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 721    Accepted Submission(s): 251 Problem Description On the way to the next secret treasure hiding place, the mathematician d…