Problem 17 If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total.如果1到5写成英语,然后再把英语单词的字母数量加起来,我们会得到19.If all the numbers from 1 to 1000 (one thousand) inclusive were wri…

If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total. If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be…

http://uoj.ac/problem/17 dp,注意细节. #include<cstdio> #include<cstring> #include<algorithm> using namespace std; int in() { int k = 0, fh = 1; char c = getchar(); for(; c < '0' || c > '9'; c = getchar()) if (c == '-') fh = -1; for(; c…

#17. [NOIP2014]飞扬的小鸟 Time Limit: 10 Sec  Memory Limit: 162 MBSubmit: 4902  Solved: 1879 题目连接 http://uoj.ac/problem/17 Description Flappy Bird 是一款风靡一时的休闲手机游戏.玩家需要不断控制点击手机屏幕的频率来调节小鸟的飞行高度,让小鸟顺利通过画面右方的管道缝隙.如果小鸟一不小心撞到了水管或者掉在地上的话,便宣告失败. 为了简化问题,我们对游戏规则进行了简化…

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…

这次比赛原本就是来打酱油的,想做个签到题就走!一开始不知道1002是签到题,一直死磕1001,WA了四发过了,回头一看Rank,三十名,我靠!看了1001的AC率,在我AC之前只有一个人AC了,当时我AC了1001,感觉松了口气,终于算是签到了,看AC率,1%,吓死宝宝了!我啥时候变得这么屌了,连我们学校的大佬都没AC出来,被我这样一个菜鸡给AC了,顿时感觉信心回来了,然后我的电脑上插了一个气球,莫名其妙,还有气球???回头看1002,我靠,WA了三发,什么情况,10^9,肯定超时,WA了一发,…

https://vjudge.net/problem/CodeForces-17E http://codeforces.com/problemset/problem/17/E 题目大意:给一个长度为n的字符串,求不相交的回文串对数. ———————————————————————————— 点击这里看大佬的题解. #include<cstdio> #include<cstring> #include<algorithm> #define N 2000010 #defin…

LeetCode算法题目解答汇总 本文转自<四火的唠叨> 只要不是特别忙或者特别不方便,最近一直保持着每天做几道算法题的规律,到后来随着难度的增加,每天做的题目越来越少.我的初衷就是练习,因为一方面我本身算法基础并不好,再一方面是因为工作以后传统意义上所谓算法的东西接触还是太少.为了题目查找方便起见,我把之前几篇陆陆续续贴出来的我对LeetCode上面算法题的解答汇总在下面,CTRL+F就可以比较方便地找到.由于LeetCode上的题在不断更新,因此我也会不定期地更新.下面表格里面的Accep…

http://codeforces.com/problemset/problem/17/B 用邻接矩阵建图后, 设cost[v]表示去到顶点v的最小值. 很多个人去顶点v的话,就选最小的那个就OK 然后,如果有大于等于2个人的cost[v]是inf的,就不符合boss只有一个这个规矩.-1 不应该只统计有孤立点就输出-1,因为m可以等于0(坑) 另外这个图是不会有环的,因为有环就表明相对大小乱了. #include <cstdio> #include <cstdlib> #incl…

本题来自 Project Euler 第17题:https://projecteuler.net/problem=17 ''' Project Euler 17: Number letter counts If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total. If all th…

http://qscoj.cn/problem/17/ 喵哈哈村的排队 描述 有一堆喵哈哈村的村民们在排队,他们从队列的尾部开始标号,标号为1的村民站在最后面,标号为n的村民站在队列的最前面,而且每个村民都拥有一个智商值a[i]. 这些村民有时候会觉得不开心,因为他们觉得凭什么一个智商比他低的人,可以站在他的前面!现在对于每个村民,他们都想知道,在他前面,智商比他低,离他最远的距离是多少. 输入 第一行n,表示有n只咸鱼第二行n个整数,表示每个村民的智商值a[i].n<=200000 1<=a…

A - Noldbach problem 题面链接 http://codeforces.com/contest/17/problem/A 题面 Nick is interested in prime numbers. Once he read about Goldbach problem. It states that every even integer greater than 2 can be expressed as the sum of two primes. That got Nic…

The 3n + 1 problem Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 53927   Accepted: 17142 Description Problems in Computer Science are often classified as belonging to a certain class of problems (e.g., NP, Unsolvable, Recursive). In th…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 6.17 \n\n'); ba…

1.代码 %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 5.17 \…

用差分方程两边进行z变换,再变量带换得到频率响应函数(或转移函数,即LTI系统脉冲响应的DTFT). 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf('…

1.代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 2.17 \n\n'); banner()…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.17 \n\n'); banner();…

最近 gentoo 从 17.0 更新到 17.1, 需要手动进行升级配置,使用 unsymlink-lib -p --finish 这一步的时候报错,报错如下: /usr/lib/python-exec/python3.6/unsymlink-lib -p --finish ... rm -d /usr/lib64/go/test/fixedbugs/issue5957.dir/c.go rm -d /usr/lib64/go/test/fixedbugs/issue5957.dir/b.go…

partial sort. first use std::nth_element to find pivot, then use std::stable_partition with the pivot to partition the largest k, whose indices are in acsending order, print them in reverse order. p.s. lambda expression is also used. STL is powerful.…

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#include<stdio.h> int main() { int n,m; while(scanf("%d %d",&n,&m)!=EOF) if(n<m) printf("%d %d",m,n); else printf("%d %d",n,m); ; }…

You are given two integers n and k. Find k-th smallest divisor of n, or report that it doesn't exist. Divisor of n is any such natural number, that n can be divided by it without remainder. Input The first line contains two integers n and k (1 ≤ n ≤ …

$s = curl_init(); curl_setopt($s, CURLOPT_POST, true); curl_setopt($s, CURLOPT_POSTFIELDS, $queryStr); curl_setopt($s, CURLOPT_URL, $url); curl_setopt($s, CURLOPT_TIMEOUT, 1000); curl_setopt($s, CURLOPT_RETURNTRANSFER, 1); $body = curl_exec($s); if($…

C - NP-Hard Problem Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Description Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci…

题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5008 Description In this problem, you are given a string s and q queries. For each query, you should answer that when all distinct substrings of string s were sorted lexicographically, which one is…

C. Balance 题目链接 http://codeforces.com/contest/17/problem/C 题面 Nick likes strings very much, he likes to rotate them, sort them, rearrange characters within a string... Once he wrote a random string of characters a, b, c on a piece of paper and began…

题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=36  The 3n + 1 problem  Background Problems in Computer Science are often classified as belonging to a certain class of problem…

一,    最长递增子序列问题的描述 设L=<a1,a2,…,an>是n个不同的实数的序列,L的递增子序列是这样一个子序列Lin=<aK1,ak2,…,akm>,其中k1<k2<…<km且aK1<ak2<…<akm.求最大的m值.   二,算法:动态规划法:O(n^2) 设f(i)表示L中以ai为末元素的最长递增子序列的长度.则有如下的递推方程: 这个递推方程的意思是,在求以ai为末元素的最长递增子序列时,找到所有序号在L前面且小于ai的元素aj…

Problem A: The 3n + 1 problem Time Limit: 1 Sec  Memory Limit: 64 MBSubmit: 14  Solved: 6[Submit][Status][Web Board] Description Consider the following algorithm to generate a sequence of numbers. Start with an integer n. If n is even, divide by 2. I…