HDU 1573 X问题 中国剩余定理】的更多相关文章

http://acm.hdu.edu.cn/showproblem.php?pid=1573 X问题 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4439    Accepted Submission(s): 1435 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0],…
Lucky7 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5768 Description When ?? was born, seven crows flew in and stopped beside him. In its childhood, ?? had been unfortunately fall into the sea. While it was dying, seven dolphins arched its body an…
分析: 因为满足任意一组pi和ai,即可使一个“幸运数”被“污染”,我们可以想到通过容斥来处理这个问题.当我们选定了一系列pi和ai后,题意转化为求[x,y]中被7整除余0,且被这一系列pi除余ai的数的个数,可以看成若干个同余方程联立成的一次同余方程组.然后我们就可以很自然而然的想到了中国剩余定理.需要注意的是,在处理中国剩余定理的过程中,可能会发生超出LongLong的情况,需要写个类似于快速幂的快速乘法来处理. 吐槽:赛场上不会快速乘,导致疯狂WA,唉,还是太年轻 代码: #include…
题目链接 求C(n, m)%p的值, n, m<=1e18, p = p1*p2*...pk. pi是质数. 先求出C(n, m)%pi的值, 然后这就是一个同余的式子. 用中国剩余定理求解. #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <cmath> using namespace std; #define l…
题意: 给定方程 res % 14 = 5 res % 57 = 56 求res 中国剩余定理裸题 #include<stdio.h> #include<string.h> #include<iostream> #include<algorithm> #include<math.h> #include<set> #include<queue> #include<vector> using namespace s…
Hello Kiki Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1943    Accepted Submission(s): 693 Problem Description One day I was shopping in the supermarket. There was a cashier counting coins s…
一种不断迭代,求新的求余方程的方法运用中国剩余定理. 总的来说,假设对方程操作.和这个定理的数学思想运用的不多的话.是非常困难的. 參照了这个博客的程序写的: http://scturtle.is-programmer.com/posts/19363.html 这个博客举例说的挺好的:http://blog.csdn.net/mishifangxiangdefeng/article/details/7109217 hdu 3579 Hello Kiki 中国剩余定理(不互质的情况) 对互质的情况…
X问题 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8354    Accepted Submission(s): 3031 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2], -, X mo…
HDU 1573 X问题 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4857    Accepted Submission(s): 1611 Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0], X mod a[1] = b[1], X mod a[2] = b[2],…
扩展中国剩余定理的板子,合并完之后算一下范围内能取几个值即可(记得去掉0) #include<iostream> #include<cstdio> #include<cmath> using namespace std; const int N=15; int T,n,m; long long a[N],b[N],A,B,x,y,d; bool fl; void exgcd(long long a,long long b,long long &d,long lo…