本系列文章由 @yhl_leo 出品,转载请注明出处. 文章链接: http://blog.csdn.net/yhl_leo/article/details/53454402 LaTeX公式表达中,经常使用手写体字母(calligraphic letters),而默认情形下,手写体字母集是指26个大写字母: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 也就是说,字符集中仅仅大写字母是可以使用\mathcal转换符,如果使用小写字母,那就…

A. Letters Cyclic Shift time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output You are given a non-empty string s consisting of lowercase English letters. You have to pick exactly one non-empty su…

A. Letters Cyclic Shift 题目连接: http://www.codeforces.com/contest/708/problem/A Description You are given a non-empty string s consisting of lowercase English letters. You have to pick exactly one non-empty substring of s and shift all its letters 'z'…

You are given a non-empty string s consisting of lowercase English letters. You have to pick exactly one non-empty substring of s and shift all its letters 'z' 'y' 'x' 'b' 'a' 'z'. In other words, each character is replaced with the previous characte…

time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a string ss consisting only of lowercase Latin letters. You can rearrange all letters of this string as you wish. Your task is…

B. Letters Shop time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The letters shop showcase is a string ss, consisting of nn lowercase Latin letters. As the name tells, letters are sold in t…

链接: https://codeforces.com/contest/1215/problem/C 题意: Monocarp has got two strings s and t having equal length. Both strings consist of lowercase Latin letters "a" and "b". Monocarp wants to make these two strings s and t equal to each…

C. Swap Letters time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Monocarp has got two strings ss and tt having equal length. Both strings consist of lowercase Latin letters "a" and &qu…

see how any formula was written in any question or answer, including this one, right-click on the expression it and choose "Show Math As > TeX Commands". (When you do this, the '$' will not display. Make sure you add these. See the next point…

Long Long Message Time Limit: 4000MS   Memory Limit: 131072K Total Submissions: 29277   Accepted: 11887 Case Time Limit: 1000MS Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes to him these days…