http://poj.org/problem?id=2002只能说hash比二分快很多。随便一个hash函数都可以完爆二分。判断是否存在正方形思路如下:1、枚举任意两个点,作为正方
https://www.u72.net/daima/xz0s.html - 2024-08-26 16:29:19 - 代码库(1)螺旋管vertices = D1:720 D2:72u = from 0 to (10*PI) D1v = from 0 to (2*PI) D2a = 3x = (a + cos(v)) * cos(u)z = (a + cos(v)) * sin(u)y = si
https://www.u72.net/daima/wecv.html - 2024-07-16 15:23:52 - 代码库(1)圆柱面vertices = dimension1:72 dimension2:72u = from 0 to (2*PI) dimension1v = from (-5) to (5) dimension2r = 5x = r*cos(u)y = vz = r*sin
https://www.u72.net/daima/wec9.html - 2024-07-16 15:24:41 - 代码库题目大意:给定一个长度为n的整数序列x[i],确定一个二元组(b, k)使得S=Σ(k*i+b- x[i])^2(i∈[0,n-1])最小看Claris大神的题解就行了。实际上就是用2次二
https://www.u72.net/daima/045a.html - 2024-08-29 11:20:31 - 代码库N!AgainTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3440 Accepted Submission(s)
https://www.u72.net/daima/wcw4.html - 2024-07-16 00:55:43 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3123GCCTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Othe
https://www.u72.net/daima/0fnz.html - 2024-07-17 23:00:15 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1418Problem Description非常抱歉,本来兴冲冲地搞一场练习赛,由于我准备不足,出现很多数据的错误,现
https://www.u72.net/daima/3mvx.html - 2024-07-21 19:27:29 - 代码库tags:[计数原理][乘法逆元][归纳の思想]题解(复杂度:O(mlogm)):棘手之处:n的约数多到爆炸。因此我们不妨从因子的角度来分析问题。对n分解质因数得:n =
https://www.u72.net/daima/3920.html - 2024-09-03 21:06:29 - 代码库弱菜开始学数论了,不定时更新。。。一.素数定理: 素数分布:小于x的素数大约有 x/ln(x)个 推论:如果Pn为第n个素数 那个Pn约等于n*ln(n);二.素数测试
https://www.u72.net/daima/370s.html - 2024-07-21 15:43:52 - 代码库分解质因数求最大公约数求最小公倍数牛顿迭代求平方根 分解质因数import java.util.ArrayList;import java.util.List;public class Solution {
https://www.u72.net/daima/5k5v.html - 2024-07-23 00:54:40 - 代码库题外话:最近看了一本书叫 《HTML5 Canvas核心技术 图形、动画与游戏开发》已经算是看了85%,基本接近尾声,所以近期会多总结一些关于canvas的东西,这本书
https://www.u72.net/daima/3dcd.html - 2024-09-02 15:36:43 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1977Problem DescriptionConsecutive sum come again. Are you ready? Go ~~1 = 0 + 1
https://www.u72.net/daima/5a9s.html - 2024-07-22 21:26:03 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5003Problem DescriptionOsu! is a famous music game that attracts a lot of people. In osu!
https://www.u72.net/daima/432b.html - 2024-07-22 13:06:44 - 代码库题意求n以内等于两个连续素数的和加上1的数的个数 n不大于1000#include<cstdio> #include<cmath> #include<algorithm> using namespace std;
https://www.u72.net/daima/2x5f.html - 2024-07-20 07:21:23 - 代码库tags:[组合][预处理]题解:关于方程A+C+B=X的正整数解组数。我们用插板法可知,解的组数=在(X-1)个元素中选择两个元素的方案数故答案为:C(x-1,2)+C(x,2
https://www.u72.net/daima/4hf3.html - 2024-09-04 05:43:40 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5063Problem DescriptionYou have an array consisting of n integers: a1=1,a2=2,a3=3,…,an=n
https://www.u72.net/daima/mh32.html - 2024-07-29 06:21:21 - 代码库题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5047Problem DescriptionThink about a plane:● One straight line can divide a plane into
https://www.u72.net/daima/67hv.html - 2024-07-24 18:02:24 - 代码库/*给你一个边长n的正方体,切割成n*n*n个单位体积的小正方体,求所有公共顶点数<=2的小正方体的对数。公共点的数目可能有:0,1,2,4.我们用总的对数减掉有
https://www.u72.net/daima/67k9.html - 2024-07-24 18:05:50 - 代码库题意:有n个字符A,2n个字符B,问你能用这3n个字母组成多少种字符串,使得组成的字符串所有前缀与后缀的B的数目都大于等于A的数目,对答案mod 99991分析:类似卡特
https://www.u72.net/daima/6120.html - 2024-09-08 16:58:11 - 代码库思路:通过打表观察 这是个卡特兰数但是它mod的数不是质数 怎么办呢把所有数分解质因数好了线性筛出mindiv 顺着mindiv分解质因数复杂度$O(nlogn)$//By
https://www.u72.net/daima/7d16.html - 2024-09-09 16:54:54 - 代码库