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CCF 201803-1 跳一跳.html
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2019-07-23
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<span class="page-pv"><i class="fa fa-file-o"></i> 阅读量
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480
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1
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<h2 id="CCF-201803-1-跳一跳"><a href="#CCF-201803-1-跳一跳" class="headerlink" title="CCF 201803-1 跳一跳"></a>CCF 201803-1 跳一跳</h2><h3 id="题目"><a href="#题目" class="headerlink" title="题目"></a>题目</h3><h4 id="问题描述"><a href="#问题描述" class="headerlink" title="问题描述"></a>问题描述</h4><p>近来，跳一跳这款小游戏风靡全国，受到不少玩家的喜爱。<br>简化后的跳一跳规则如下：玩家每次从当前方块跳到下一个方块，如果没有跳到下一个方块上则游戏结束。<br>如果跳到了方块上，但没有跳到方块的中心则获得1分；跳到方块中心时，若上一次的得分为1分或这是本局游戏的第一次跳跃则此次得分为2分，否则此次得分比上一次得分多两分（即连续跳到方块中心时，总得分将+2，+4，+6，+8…）。<br>现在给出一个人跳一跳的全过程，请你求出他本局游戏的得分（按照题目描述的规则）。</p>
<h4 id="输入格式"><a href="#输入格式" class="headerlink" title="输入格式"></a>输入格式</h4><p>输入包含多个数字，用空格分隔，每个数字都是1，2，0之一，1表示此次跳跃跳到了方块上但是没有跳到中心，2表示此次跳跃跳到了方块上并且跳到了方块中心，0表示此次跳跃没有跳到方块上（此时游戏结束）。</p>
<h4 id="输出格式"><a href="#输出格式" class="headerlink" title="输出格式"></a>输出格式</h4><p>输出一个整数，为本局游戏的得分（在本题的规则下）。</p>
<h4 id="样例输入"><a href="#样例输入" class="headerlink" title="样例输入"></a>样例输入</h4><pre><code>1 1 2 2 2 1 1 2 2 0</code></pre><h4 id="样例输入-1"><a href="#样例输入-1" class="headerlink" title="样例输入"></a>样例输入</h4><pre><code>22</code></pre><h4 id="数据规模和约定"><a href="#数据规模和约定" class="headerlink" title="数据规模和约定"></a>数据规模和约定</h4><p>对于所有评测用例，输入的数字不超过30个，保证0正好出现一次且为最后一个数字。</p>
<h3 id="思路"><a href="#思路" class="headerlink" title="思路"></a>思路</h3><p>正常题目，输入考虑一下变化关系，注意+2和归1即可。</p>
<h3 id="代码"><a href="#代码" class="headerlink" title="代码"></a>代码</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br></pre></td><td class="code"><pre><span class="line">#include<iostream> </span><br><span class="line"></span><br><span class="line">using namespace std;</span><br><span class="line"></span><br><span class="line">int main()</span><br><span class="line">{</span><br><span class="line"> int sum=0;</span><br><span class="line"> int n;</span><br><span class="line"> int score=1;</span><br><span class="line"> </span><br><span class="line"> while(true)</span><br><span class="line"> {</span><br><span class="line"> cin>>n;</span><br><span class="line"> if(n==1)</span><br><span class="line"> {</span><br><span class="line"> score=1;</span><br><span class="line"> sum+=score;</span><br><span class="line"> }</span><br><span class="line"> else if(n==2)</span><br><span class="line"> {</span><br><span class="line"> if(score==1)</span><br><span class="line"> {</span><br><span class="line"> score=2;</span><br><span class="line"> sum+=score;</span><br><span class="line"> }</span><br><span class="line"> else</span><br><span class="line"> {</span><br><span class="line"> score+=2;</span><br><span class="line"> sum+=score;</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> else if(n==0)</span><br><span class="line"> {</span><br><span class="line"> break;</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> cout<<sum;</span><br><span class="line"> return 0;</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
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<div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#CCF-201803-1-跳一跳"><span class="nav-number">1.</span> <span class="nav-text">CCF 201803-1 跳一跳</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#题目"><span class="nav-number">1.1.</span> <span class="nav-text">题目</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#问题描述"><span class="nav-number">1.1.1.</span> <span class="nav-text">问题描述</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#输入格式"><span class="nav-number">1.1.2.</span> <span class="nav-text">输入格式</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#输出格式"><span class="nav-number">1.1.3.</span> <span class="nav-text">输出格式</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#样例输入"><span class="nav-number">1.1.4.</span> <span class="nav-text">样例输入</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#样例输入-1"><span class="nav-number">1.1.5.</span> <span class="nav-text">样例输入</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#数据规模和约定"><span class="nav-number">1.1.6.</span> <span class="nav-text">数据规模和约定</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#思路"><span class="nav-number">1.2.</span> <span class="nav-text">思路</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#代码"><span class="nav-number">1.3.</span> <span class="nav-text">代码</span></a></li></ol></li></ol></div>
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