Problem 20 问题网址:https://projecteuler.net/problem=20 n! means n × (n − 1) × ... × 3 × 2 × 1阶乘For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800,and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27. Find the sum of the digit…

http://uoj.ac/problem/20 并不会做...然后看题解....... 对a取模,避免了高精度带来的复杂度,然后再枚举x判断是否满足模意义下等于0. 取5个模数,我直接抄的别人的_(┐「ε:)_.时间复杂度$O(nm)$. #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int p[5] = {11261,19997,22877,2189…

题目链接:http://codeforces.com/problemset/problem/20/C 思路:需要用优化过的dijkstra,提供两种写法. #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <vector> #include <queue> #include <set> #define…

终于将LeetCode的免费题刷完了,真是漫长的第一遍啊,估计很多题都忘的差不多了,这次开个题目汇总贴,并附上每道题目的解题连接,方便之后查阅吧~ 477 Total Hamming Distance 44.10% Meidum 475 Heaters  30.20% Easy 474 Ones and Zeroes  34.90% Meidum 473 Matchsticks to Square  31.80% Medium 472 Concatenated Words 29.20% Hard…

There are some Common Bugs in C Programming. Most of the contents are directly from or modified from Prof. Liu Pangfeng's blog. Most credits should go to him. For all the following problems, answer the output message of the code, unless they are spec…

网管告警: 告警主机:YiDHLWJKFZ-js-app- 主机IP:192.168.***.*** 告警项目:system.cpu.util[,iowait] 告警时间: :: 告警等级:Warning 告警信息:Disk I/O is overloaded on YiDHLWJKFZ-js-app- 问题详情:CPU iowait time:20.14 % 当前状态:PROBLEM:20.14 % 事件ID: top查看:(wa值为17.7%) [root@localhost vmuser]…

[SinGuLaRiTy-1039] Copyright (c) SinGuLaRiTy 2017. All Rights Reserved. 迭代加深搜索(ID) 迭代加深搜索,实质上就是限定下界的深度优先搜索.即首先允许深度优先搜索K层搜索树,若没有发现可行解,再将K+1后重复以上步骤搜索,直到搜索到可行解.在迭代加深搜索的算法中,连续的深度优先搜索被引入,每一个深度约束逐次加1,直到搜索到目标为止.迭代加深搜索算法就是仿广度优先搜索的深度优先搜索.既能满足深度优先搜索的线性存储要求,又能保…

终于将LeetCode的免费题刷完了,真是漫长的第一遍啊,估计很多题都忘的差不多了,这次开个题目汇总贴,并附上每道题目的解题连接,方便之后查阅吧~ 如果各位看官们,大神们发现了任何错误,或是代码无法通过OJ,或是有更好的解法,或是有任何疑问,意见和建议的话,请一定要在对应的帖子下面评论区留言告知博主啊(如果不方便注册博客园的话,可以下载下文提到的APP,在Feedback中给博主发邮件交流哈),同时也请大家踊跃地,大量地,盲目地提供各个题目的follow up一起讨论哈,多谢多谢,祝大家刷得愉快…

本题来自 Project Euler 第20题:https://projecteuler.net/problem=20 ''' Project Euler: Problem 20: Factorial digit sum n! means n × (n − 1) × ... × 3 × 2 × 1 For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800, and the sum of the digits in the number 10! i…

先放子函数: function [C, B, A, rM] = dir2fs_r(h, r); % DIRECT-form to Frequency Sampling form conversion % ---------------------------------------------------------- % [C, B, A, rM] = dir2fs_r(h, r) % C = Row vector containing gains for parallel sections…