Problem description Recently, Anton has found a set. The set consists of small English letters. Anton carefully wrote out all the letters from the set in one line, separated by a comma. He also added an opening curved bracket at the beginning of the…

A. Anton and Letters time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently, Anton has found a set. The set consists of small English letters. Anton carefully wrote out all the letters f…

Anton and Letters time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently, Anton has found a set. The set consists of small English letters. Anton carefully wrote out all the letters from…

time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently, Anton has found a set. The set consists of small English letters. Anton carefully wrote out all the letters from the set in one li…

题目很简单,只需要注意带空格的输入用getline即可 #include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> using namespace std; int main(){ string str; getline(cin,str); set<char> a; ; i < str.length()-;…

layout: post title: Codeforces Round 253 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true - codeforces - 模拟栈 - 贪心 传送门 A.Anton and Letters (签到) 题意 判断字符串里面有多少个不同字符 思路 直接set一下 #include<bits/stdc++.h> using namespace std; typed…

<Python for Data Analysis>一书由Wes Mckinney所著,中文译名是<利用Python进行数据分析>.这里记录一下学习过程,其中有些方法和书中不同,是按自己比较熟悉的方式实现的. 第三个实例:US Baby Names 1880-2010 简介: 美国社会保障总署(SSA)提供了一份从1880年到2010年的婴儿姓名频率的数据 数据地址: https://github.com/wesm/pydata-book/tree/2nd-edition/data…

时间限制: 3 Sec 内存限制: 512 MB 题目描述 There are two kinds of sounds in spoken languages: vowels and consonants. Vowel is a sound, produced with an open vocal tract; and consonant is pronounced in such a way that the breath is at least partly obstructed. For…

C 标准库 - ctype.h This header declares a set of functions to classify and transform individual characters. These functions take the int equivalent of one character as parameter and return an int that can either be another character or a value represent…

ZZ:Solaris 10 软件包分析 http://blog.chinaunix.net/uid-22759617-id-276756.html # Last updated: 2006-02-14 #                     an analysis of Solaris 10 packages#                     ++++++++++++++++++++++++++++++++++#               SUNWCuser on SunBlade…