find-the-encrypted-string

java

python

python3

mysql

mssql

oraclesql

csharp

javascript

typescript

bash

swift

kotlin

dart

golang

ruby

scala

rust

racket

erlang

elixir

pythondata

postgresql

cangjie

Algorithms

You are given a string <code>s</code> and an integer <code>k</code>. Encrypt the string using the following algorithm:

<ul>
	<li>For each character <code>c</code> in <code>s</code>, replace <code>c</code> with the <code>kth</code> character after <code>c</code> in the string (in a cyclic manner).</li>
</ul>

Return the encrypted string.

&nbsp;
Example 1:

<div class="example-block">
Input: s = &quot;dart&quot;, k = 3

Output: &quot;tdar&quot;

Explanation:

<ul>
	<li>For <code>i = 0</code>, the 3rd character after <code>&#39;d&#39;</code> is <code>&#39;t&#39;</code>.</li>
	<li>For <code>i = 1</code>, the 3rd character after <code>&#39;a&#39;</code> is <code>&#39;d&#39;</code>.</li>
	<li>For <code>i = 2</code>, the 3rd character after <code>&#39;r&#39;</code> is <code>&#39;a&#39;</code>.</li>
	<li>For <code>i = 3</code>, the 3rd character after <code>&#39;t&#39;</code> is <code>&#39;r&#39;</code>.</li>
</ul>
</div>

Example 2:

<div class="example-block">
Input: s = &quot;aaa&quot;, k = 1

Output: &quot;aaa&quot;

Explanation:

As all the characters are the same, the encrypted string will also be the same.
</div>

&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= s.length &lt;= 100</code></li>
	<li><code>1 &lt;= k &lt;= 104</code></li>
	<li><code>s</code> consists only of lowercase English letters.</li>
</ul>

getEncryptedString

Find the Encrypted String

String

给你一个字符串 <code>s</code> 和一个整数 <code>k</code>。请你使用以下算法加密字符串：

<ul>
	<li>对于字符串 <code>s</code> 中的每个字符 <code>c</code>，用字符串中 <code>c</code> 后面的第 <code>k</code> 个字符替换 <code>c</code>（以循环方式）。</li>
</ul>

返回加密后的字符串。

&nbsp;

示例 1：

<div class="example-block">
输入： s = "dart", k = 3

输出： "tdar"

解释：

<ul>
	<li>对于 <code>i = 0</code>，<code>'d'</code> 后面的第 3 个字符是 <code>'t'</code>。</li>
	<li>对于 <code>i = 1</code>，<code>'a'</code> 后面的第 3 个字符是 <code>'d'</code>。</li>
	<li>对于 <code>i = 2</code>，<code>'r'</code> 后面的第 3 个字符是 <code>'a'</code>。</li>
	<li>对于 <code>i = 3</code>，<code>'t'</code> 后面的第 3 个字符是 <code>'r'</code>。</li>
</ul>
</div>

示例 2：

<div class="example-block">
输入： s = "aaa", k = 1

输出： "aaa"

解释：

由于所有字符都相同，加密后的字符串也将相同。
</div>

&nbsp;

提示：

<ul>
	<li><code>1 &lt;= s.length &lt;= 100</code></li>
	<li><code>1 &lt;= k &lt;= 104</code></li>
	<li><code>s</code> 仅由小写英文字母组成。</li>
</ul>