题意:有俩个队进行n场比赛,每场只记录下分差的绝对值(不知道哪一方),求最后可能比分。思考了半天,还分类讨论。。结果也想到只有 1->2、2->1的情况有俩
https://www.u72.net/daima/1ubf.html - 2024-07-19 02:48:01 - 代码库题意模型:n个正数,每次可以做下面俩种操作之一:1:取一个数减一。2:取俩个数各减一。都必需保证每次操作的数>0.求使得所有数字为0的最少操作次数。都说是简
https://www.u72.net/daima/1uwe.html - 2024-07-19 03:03:04 - 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:[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 - 代码库题目链接:Codeforces 468C Hack it!题目大意:给据题目定义,找到l,r,使得solve(l,r) % a = 0.解题思路:f(x + 1e18) = f(x) + 1,所以有solve(x +
https://www.u72.net/daima/6uwa.html - 2024-07-24 07:58:14 - 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Big NumberTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 26383 Accepted Submiss
https://www.u72.net/daima/90k1.html - 2024-07-27 14:57:48 - 代码库题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=3853LOOPSTime Limit: 15000/5000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Oth
https://www.u72.net/daima/8erv.html - 2024-07-26 23:18:58 - 代码库Mineral WaterTime Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^题目描述Laoshan mineral water is one of famous well-known mineral wat
https://www.u72.net/daima/e5ek.html - 2024-07-28 21:02:33 - 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http://codeforces.com/problemset/problem/348/B注意到如果顶点的数值确定了,那么它分下去的个数也就确定了,那么可以暴力枚举顶点的数值。顶点的数值
https://www.u72.net/daima/ebau.html - 2024-09-14 21:03:10 - 代码库You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins.Given n, find the to
https://www.u72.net/daima/ed4s.html - 2024-09-14 20:37:02 - 代码库