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wyh15 Minecraft 2024-05-18 17:20:29 2024-05-18 17:20:48 8 
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      #4300. 「2023.09 三级」谁是你的潜在朋友
      
      <span class="ui tiny red label"> 入门 </span>
    
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      <span class="ui label">时间限制：1000 ms</span>
      <span class="ui label">内存限制：128 MiB</span>
      
        <span class="ui label">标准输入输出</span>
      
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      <span class="ui label">评测方式：文本比较</span>
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题目描述

  <div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden; transform: translate3d(0, 0, 0); "><p>“臭味相投”——这是我们描述朋友时喜欢用的词汇。两个人是朋友通常意味着他们存在着许多共同的兴趣。然而作为一个宅男，你发现自己与他人相互了解的机会并不太多。幸运的是，你意外得到了一份北大图书馆的图书借阅记录，于是你挑灯熬夜地编程，想从中发现潜在的朋友。 首先你对借阅记录进行了一番整理，把N个读者依次编号为1,2,…,N，把M本书依次编号为1,2,…,M。同时，按照“臭味相投”的原则，和你喜欢读同一本书的人，就是你的潜在朋友。你现在的任务是从这份借阅记录中计算出每个人有几个潜在朋友。</p>

</div>

输入格式

      <div style="position: relative; overflow: hidden; transform: translate3d(0, 0, 0); "><p>第一行两个整数N,M，2 &lt;= N ，M&lt;= 200。接下来有N行，第i(i = 1,2,…,N)行每一行有一个数，表示读者i-1最喜欢的图书的编号P(1&lt;=P&lt;=M)</p>

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      <h4 class="ui top attached block header">输出格式</h4>
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        <div style="position: relative; overflow: hidden; transform: translate3d(0, 0, 0); "><p>包括N行，每行一个数，第i行的数表示读者i有几个潜在朋友。如果i和任何人都没有共同喜欢的书，则输出“BeiJu”（即悲剧，^ ^）</p>

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      <h4 class="ui top attached block header">样例</h4>
      <div class="ui bottom attached segment font-content" id="problem_example"><div style="position: relative; overflow: hidden; transform: translate3d(0, 0, 0); "><p><strong>样例输入</strong></p>

复制4 5
2
3
2
1

样例输出

复制1
BeiJu
1
BeiJu

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          CIE三级2023.09
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          电子学会三级
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font-weight: normal; font-size: 14px; line-height: 22px; letter-spacing: 0px; display: block; visibility: hidden; width: 1px;"></div></div></div><div role="presentation" aria-hidden="true" class="invisible scrollbar horizontal" style="position: absolute; width: 184px; height: 10px; left: 0px; bottom: 0px;"><div class="slider" style="position: absolute; top: 0px; left: 0px; height: 10px; will-change: transform; width: 184px;"></div></div><canvas class="decorationsOverviewRuler" aria-hidden="true" width="0" height="368" style="position: absolute; will-change: transform; top: 0px; right: 0px; width: 0px; height: 368px;"></canvas><div role="presentation" aria-hidden="true" class="invisible scrollbar vertical" style="position: absolute; width: 0px; height: 368px; right: 0px; top: 0px;"><div class="slider" style="position: absolute; top: 0px; left: 0px; width: 0px; will-change: transform; height: 368px;"></div></div></div><div role="presentation" aria-hidden="true" style="width: 244px;"></div><textarea data-mprt="6" class="inputarea" wrap="off" autocorrect="off" autocapitalize="off" autocomplete="off" spellcheck="false" aria-label="Editor content;Press Alt+F1 for Accessibility Options." role="textbox" aria-multiline="true" aria-haspopup="false" aria-autocomplete="both" style="font-size: 1px; line-height: 22px; top: 0px; left: 60px; width: 1px; height: 1px;"></textarea><div style="position: absolute; top: 0px; left: 0px; width: 0px; height: 0px;"></div><div data-mprt="4" class="overlayWidgets" style="width: 265px;"><div class="accessibilityHelpWidget" role="dialog" aria-hidden="true" widgetid="editor.contrib.accessibilityHelpWidget" style="display: none; position: absolute;"><div role="document"></div></div></div><div data-mprt="8" class="minimap slider-mouseover" role="presentation" aria-hidden="true" style="position: absolute; left: 244px; width: 21px; height: 368px;"><div class="minimap-shadow-hidden" style="height: 368px;"></div><canvas width="21" height="368" style="position: absolute; left: 0px; width: 21px; height: 368px;"></canvas><canvas class="minimap-decorations-layer" width="21" height="368" style="position: absolute; left: 0px; width: 21px; height: 368px;"></canvas><div class="minimap-slider" style="position: absolute; will-change: transform; width: 21px; height: 33px;"><div class="minimap-slider-horizontal" style="position: absolute; left: 0px; width: 21px; top: 0px; height: 33px;"></div></div></div></div><div data-mprt="2" class="overflowingContentWidgets"><div class="editor-widget suggest-widget" widgetid="editor.widget.suggestWidget" style="position: absolute; visibility: inherit; max-width: 150px; top: 0px; left: -41px;" monaco-visible-content-widget="true"><div class="message" aria-hidden="true" style="display: none; background-color: rgb(243, 243, 243); border-color: rgb(200, 200, 200);"></div><div class="tree" aria-hidden="true" style="display: none; background-color: rgb(243, 243, 243); border-color: rgb(200, 200, 200);"><div class="monaco-list list_id_1" tabindex="0" role="tree"><div class="monaco-scrollable-element " role="presentation" style="position: relative; overflow: hidden;"><div class="monaco-list-rows" style="overflow: hidden;"></div><div role="presentation" aria-hidden="true" class="invisible scrollbar horizontal" style="position: absolute;"><div class="slider" style="position: absolute; top: 0px; left: 0px; height: 10px; will-change: transform;"></div></div><div role="presentation" aria-hidden="true" class="invisible scrollbar vertical" style="position: absolute;"><div class="slider" style="position: absolute; top: 0px; left: 0px; width: 10px; will-change: transform;"></div></div></div><style type="text/css" media="screen">.monaco-list.list_id_1:focus .monaco-list-row.focused { background-color: #d6ebff; }

.monaco-list.list_id_1:focus .monaco-list-row.focused:hover { background-color: #d6ebff; } .monaco-list.list_id_1:focus .monaco-list-row.selected { background-color: #0069d1; } .monaco-list.list_id_1:focus .monaco-list-row.selected:hover { background-color: #0069d1; } .monaco-list.list_id_1:focus .monaco-list-row.selected { color: #ffffff; }

			.monaco-drag-image,
			.monaco-list.list_id_1:focus .monaco-list-row.selected.focused { background-color: #0074e8; }
		

			.monaco-drag-image,
			.monaco-list.list_id_1:focus .monaco-list-row.selected.focused { color: #ffffff; }

.monaco-list.list_id_1 .monaco-list-row.focused { background-color: #d6ebff; } .monaco-list.list_id_1 .monaco-list-row.focused:hover { background-color: #d6ebff; } .monaco-list.list_id_1 .monaco-list-row.selected { background-color: #e4e6f1; } .monaco-list.list_id_1 .monaco-list-row.selected:hover { background-color: #e4e6f1; } .monaco-list.list_id_1:not(.drop-target) .monaco-list-row:hover:not(.selected):not(.focused) { background-color: #f0f0f0; }

			.monaco-list.list_id_1.drop-target,
			.monaco-list.list_id_1 .monaco-list-row.drop-target { background-color: #d6ebff !important; color: inherit !important; }

.monaco-list-type-filter { background-color: #efc1ad } .monaco-list-type-filter { border: 1px solid rgba(0, 0, 0, 0); } .monaco-list-type-filter.no-matches { border: 1px solid #be1100; } .monaco-list-type-filter { box-shadow: 1px 1px 1px #a8a8a8; }

或者，上传代码文件 

          <div class="ui right aligned vertical segment" style="padding-bottom: 0; ">
            <button class="ui orange labeled icon button" id="debug" name="debug" onclick="run_code()"><i class="ui keyboard outline icon"></i>测试代码</button>
            <button type="submit" id="submit" name="submit" class="ui labeled green icon button" onclick="set_ok()"><i class="ui paper plane icon"></i>提交答案</button>
            </div>
          
        
      </form>
    </div>
</div>

  <div class="row" style="display:none" id="run_code">
    <div class="column">
      <h4 class="ui top attached block header">
        代码运行状态：<span id="judge_result_span"> </span> <i class="close icon" onclick="hide_runcode()"></i>
      </h4>

      
        <div class="ui bottom attached segment font-content">
          <h5> 输入： </h5>
          <div class="ui form">
            <div class="field">
              <textarea class="run_code_stdin" id="run_code_stdin" name="code_stdin" cols="50" rows="1" style="border-radius: 5px; resize: none; font-size: 16px;  width: 100%; overflow: hidden;  margin-top: 2px; margin-bottom: 1px;  min-height: 20px; ">                  </textarea>
            </div>
          </div>
          <h5> 输出： </h5>
          <div class="ui form">
            <div class="field">
              <textarea readonly="readonly" class="run_code_stdout" id="run_code_stdout" name="code_stdout" cols="50" rows="1" style="border-radius: 5px; resize: none; font-size: 16px;  width: 100%; overflow: hidden;  margin-top: 2px; margin-bottom: 1px;  min-height: 20px; ">                  </textarea>
            </div>
          </div>
          <br>
          <p id="cpu_time_span">  </p>
        </div>
      </div>
    </div>
var editor; var ok = 0 ; window.onEditorLoaded(function () { var editorElement = document.getElementById('editor'); var content = ''; // //注释可以取消在题目界面查看代码 editor = window.createCodeEditor(editorElement, $('#languages-menu .item.active').data('mode'), content); window.editor = editor; }); function hide_runcode() { document.getElementById("run_code").style.display="none"; } function run_code() { ok = 1; var code_example = document.getElementById("run_code_stdin"); var code_result = document.getElementById("run_code_stdout"); var problem_example = document.getElementById("problem_example"); var list = problem_example.getElementsByTagName('span'); //输入样例个数 var lastSubmitted; //代码框的代码 var debug_button = document.getElementById("debug"); code_result.value = ''; if (document.getElementById("run_code").style.display !== "block") { document.getElementById("run_code").style.display="block"; //设置输入框内容为样例 if (list.length <= 1) { code_example.value = ''; } else { code_example.value = list[0].innerHTML; } code_example.style.height = 'auto'; code_example.style.height=(code_example.scrollHeight)+ 'px'; //设置输入框跟样例一样大 } //准备工作 if (!$('#submit_code input[name=answer]').val().trim() && !editor.getValue().trim()) { lastSubmitted = ''; } else { $('#submit_code input[name=language]').val($('#languages-menu .item.active').data('value')); lastSubmitted = editor.getValue(); $('#submit_code input[name=code]').val(editor.getValue()); } //如果代码框的代码为空则不执行后续操作 if (lastSubmitted.length <= 15) { $('#judge_result_span').text('提交被拒').css("color", "blue"); code_result.value = "代码太短"; return false; } else { debug_button.disabled = true;//查找调试“测试代码”按钮并设置为不可用 $.ajax({ method: 'POST', url: '/problem/' + 4300 + '/codetest', data : { input : code_example.value, code : lastSubmitted, lang : $('#languages-menu .item.active').data('value') }, success: function(data) { // 处理成功响应的逻辑 console.log(data); if(data.not_allowed_error) $('#judge_result_span').text(data.not_allowed_error).css("color", "blue") else if(data.error) $('#judge_result_span').text(data.error).css("color", "red") else $('#judge_result_span').text("运行成功").css("color", "green") if(data.not_allowed_error == "提交过于频繁") { code_result.value = data.not_allowed_error + '，请 5 秒后再试'; } else if(data.not_allowed_error == "仅支持C++ 在线测试") { code_result.value = data.not_allowed_error + "，请选择 C++ 语言提交"; } else if(data.not_allowed_error) { code_result.value = "代码中有非法、中文符号"; } else if(data.info !== '') { code_result.value = data.info.replace(/(\/opt\/syzoj\/web\/uploads\/tmp\/[^\/]+\/main\.cpp)|(
)/g, function(match, p1, p2) { if (p1) { return "main.cpp"; } else if (p2) { return '\n'; } }); console.log(code_result.value); } else { code_result.value = data.output; $("#cpu_time_span").text('运行时间：' + data.cpu_time + 'ms') } code_result.style.height = 'auto'; code_result.style.height= (code_result.scrollHeight )+ 'px'; //设置输出框跟输出一样大 debug_button.disabled = false; } }); } } function set_ok() { ok = 0; setTimeout(function() { submit.disabled = false; }, 5000); } var lastSubmitted = ''; function submit_code() { if (ok) return false; if (!$('#submit_code input[name=answer]').val().trim() && !editor.getValue().trim()) return false; ok = 1; var submit_button = document.getElementById("submit"); submit_button.disabled = true; $('#submit_code input[name=language]').val($('#languages-menu .item.active').data('value')); lastSubmitted = editor.getValue(); $('#submit_code input[name=code]').val(editor.getValue()); return true; } $('#languages-menu')[0].scrollTop = $('#languages-menu .active')[0].offsetTop - $('#languages-menu')[0].firstElementChild.offsetTop; $(function () { $('#languages-menu .item').click(function() { $(this) .addClass('active') .closest('.ui.menu') .find('.item') .not($(this)) .removeClass('active') ; monaco.editor.setModelLanguage(editor.getModel(), $(this).data('mode')); }); }); $(document).ready(function (){ $("#problem_example pre").prepend("复制"); $(".copy-button").click(function() { var element = $(this).siblings("code"); var text = $(element).text(); var $temp = $(""); $("body").append($temp); $temp.val(text).select(); document.execCommand("copy"); $temp.remove(); $(this).text("复制成功"); var e = this; setTimeout(function() { $(e).text("复制"); }, 500); }); }); $('.run_code_stdin').on('input', function(){ //时刻变化输入框 this.style.height = 'auto'; this.style.height = this.scrollHeight + "px"; }); $('.run_code_stdout').on('output', function(){ //时刻变化输出框 this.style.height = 'auto'; this.style.height = (this.scrollHeight) + "px"; });

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服务器时间: 2024-05-18 17:19:51
//动态时钟 var d = 1716023259; setInterval(function () { d += 1; let date = new Date(d * 1000); var year = date.getFullYear() //获取月份 var month = date.getMonth() + 1 // 获取日 var dates = date.getDate() //获取小时 var hours = date.getHours() // 获取分钟 var mit = date.getMinutes() // 获取秒 var seconds = date.getSeconds() //小时数小于10时就在前面加0 month = month > 9 ? month : "0" + month dates = dates > 9 ? dates : "0" + dates hours = hours > 9 ? hours : "0" + hours mit = mit > 9 ? mit : "0" + mit seconds = seconds > 9 ? seconds : "0" + seconds //将获取的时间信息以不同的形式展示 var result = year + "-" + month + "-" + dates + " " + hours + ":" + mit + ":" + seconds; //在id为td的控件中进行显示 document.getElementById("time").innerHTML = result }, 1000); //跳转页面顶部函数 $("#test").click(function(){ $("html,body").animate({scrollTop: "0px"}, 200); });
{{ vote && vote.total.up }}