Happy Equation Time Limit: 1 Second Memory Limit: 65536 KB Little Sub has just received an equation, which is shown below, as his ...
题目链接:ZOJ 题目大意:给你a和p,然后问你 , p 中满足那个等式的值有多少个。 具体思路: 具体的证明:https: blog.csdn.net v zsq article details 打表发现当a为奇数的时候答案为 .当a为偶数的时候,x也必须为偶数。 然后我们将a分解为 t。然后a x就等于 x t x .当x大于p的时候,此时取模后一定为 。对于所以在x属于 ,p 这段区间暴力 ...
2019-05-14 10:50 0 501 推荐指数:
Happy Equation Time Limit: 1 Second Memory Limit: 65536 KB Little Sub has just received an equation, which is shown below, as his ...
数论 第一章:整除理论 (2)整除的基本知识 定义1: 设 a,b ∈ Z , a ≠ 0,如果存在 q ∈ Z , 使得 b=aq,那么就说 b 可被 a 整除,记作 b | a,且称 b ...
A. Candy Game 显然最优策略是一个一个吃,故比较哪种糖果的个数比较多即可。 #include<cstdio> int T,n,i,x,sum; int main(){ ...
Andrew Ng deeplearning courese-4:Convolutional Neural Network Convolutional Neural Networks: Ste ...
A. Easy Number Game 贪心将第$i$小的和第$2m-i+1$小的配对即可。 #include<cstdio> #include<algorithm> ...
正规方程 Normal Equation 前几篇博客介绍了一些梯度下降的有用技巧,特征缩放(详见http://blog.csdn.net/u012328159/article/details/51030366)和学习率(详见http://blog.csdn.net ...
题: OwO http://acm.hdu.edu.cn/showproblem.php?pid=6049 (2017 Multi-University Training Contest ...
既然官方没有出题解,这里就说下比赛时候过的几题的题解。 A - Magic Number 讨论下 1000/x 的情况就可以了。 B - Battle Ships dp[i] ...