知识点:字符串
模拟
描述
现在有一种密码变换算法。
九键手机键盘上的数字与字母的对应: 1–1, abc–2, def–3, ghi–4, jkl–5, mno–6, pqrs–7, tuv–8 wxyz–9, 0–0,把密码中出现的小写字母都变成九键键盘对应的数字,如:a 变成 2,x 变成 9.
而密码中出现的大写字母则变成小写之后往后移一位,如:X ,先变成小写,再往后移一位,变成了 y ,例外:Z 往后移是 a 。
数字和其它的符号都不做变换。
数据范围: 输入的字符串长度满足1≤n≤100
输入描述:
输入一组密码,长度不超过100个字符。
输出描述:
输出密码变换后的字符串
示例1
输入:YUANzhi1987
输出:zvbo9441987
牛客 HJ Python
s = input()
for i in s:
if ord(i) >= 97 and ord(i) <= 122:
if i in "abc":
print("2",end="")
if i in "def":
print("3",end="")
if i in "ghi":
print("4",end="")
if i in "jkl":
print("5",end="")
if i in "mno":
print("6",end="")
if i in "pqrs":
print("7",end="")
if i in "tuv":
print("8",end="")
if i in "wxyz":
print("9",end="")
elif ord(i) >= 65 and ord(i) < 90:
print(chr(ord(i.lower())+1),end="")
elif ord(i) == 90:
print("a",end="")
else:
print(i,end="")
<p>知识点:<code>字符串</code> <code>模拟</code></p>
<p><strong>描述</strong><br />
现在有一种密码变换算法。<br />
九键手机键盘上的数字与字母的对应: 1–1, abc–2, def–3, ghi–4, jkl–5, mno–6, pqrs–7, tuv–8 wxyz–9, 0–0,把密码中出现的小写字母都变成九键键盘对应的数字,如:a 变成 2,x 变成 9.<br />
而密码中出现的大写字母则变成小写之后往后移一位,如:X ,先变成小写,再往后移一位,变成了 y ,例外:Z 往后移是 a 。<br />
数字和其它的符号都不做变换。<br />
数据范围: 输入的字符串长度满足1≤n≤100<br />
<strong>输入描述:</strong><br />
输入一组密码,长度不超过100个字符。</p>
<p><strong>输出描述:</strong><br />
输出密码变换后的字符串</p>
<p><strong>示例1</strong></p>
<pre><div class="hljs"><code class="lang-shell">输入:YUANzhi1987
输出:zvbo9441987
</code></div></pre>
<p>牛客 HJ Python</p>
<pre><div class="hljs"><code class="lang-python"><span class="hljs-comment"># 运行时间42ms 占用内存4700KB</span>
<span class="hljs-comment"># a:97 z:122 0: 49 9:57</span>
s = <span class="hljs-built_in">input</span>()
<span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> s:
<span class="hljs-keyword">if</span> <span class="hljs-built_in">ord</span>(i) >= <span class="hljs-number">97</span> <span class="hljs-keyword">and</span> <span class="hljs-built_in">ord</span>(i) <= <span class="hljs-number">122</span>:
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"abc"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"2"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"def"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"3"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"ghi"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"4"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"jkl"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"5"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"mno"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"6"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"pqrs"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"7"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"tuv"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"8"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">if</span> i <span class="hljs-keyword">in</span> <span class="hljs-string">"wxyz"</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"9"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">elif</span> <span class="hljs-built_in">ord</span>(i) >= <span class="hljs-number">65</span> <span class="hljs-keyword">and</span> <span class="hljs-built_in">ord</span>(i) < <span class="hljs-number">90</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-built_in">chr</span>(<span class="hljs-built_in">ord</span>(i.lower())+<span class="hljs-number">1</span>),end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">elif</span> <span class="hljs-built_in">ord</span>(i) == <span class="hljs-number">90</span>:
<span class="hljs-built_in">print</span>(<span class="hljs-string">"a"</span>,end=<span class="hljs-string">""</span>)
<span class="hljs-keyword">else</span>:
<span class="hljs-built_in">print</span>(i,end=<span class="hljs-string">""</span>)
</code></div></pre>
留言