121 lines
5.9 KiB
HTML
121 lines
5.9 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-Hans">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>096. 只出现一次的数字 – 图解</title>
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<link rel="stylesheet" href="../shared/style.css">
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<style>
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/* page-specific overrides */
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.vis-area { min-height: 120px; padding: 16px 0; }
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.code-section { margin-top: 16px; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>🟢 096. 只出现一次的数字 <span class="badge easy">简单</span></h1>
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<p class="subtitle">分类：技巧 ｜ LeetCode Hot 100</p>
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<!-- 控制面板 -->
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<div class="controls" id="controls">
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<label for="inputArea">输入：</label>
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<input type="text" id="inputArea" placeholder="默认示例，可自定义">
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<button id="applyBtn" class="primary">生成图解</button>
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<select id="exampleSelect"></select>
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<span style="flex:1"></span>
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<button id="prevBtn">◀ 上一步</button>
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<button id="nextBtn">下一步 ▶</button>
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<button id="jumpBtn">⏭ 跳到结果</button>
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<button id="autoBtn">自动播放</button>
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<button id="resetBtn">重置</button>
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</div>
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<!-- 步骤流水线 -->
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<div class="pipeline" id="pipeline"></div>
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<!-- 提示条 -->
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<div class="hint info" id="hintBox">
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<span id="stepInfo"></span><br>
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<span id="hintText"></span>
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</div>
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<!-- 可视化面板 -->
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<div class="panels">
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<div class="panel" id="mainPanel">
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<h3>📊 可视化</h3>
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<div class="vis-area" id="vizArea">点击「生成图解」开始</div>
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</div>
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<div class="panel-grid">
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<div class="panel" id="detailPanel">
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<h3>📝 当前步骤详情</h3>
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<div id="detailContent">等待开始...</div>
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</div>
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<div class="panel" id="resultPanel">
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<h3>✅ 结果</h3>
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<div id="resultContent">等待完成...</div>
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</div>
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</div>
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</div>
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<!-- 代码 -->
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<div class="panel code-section">
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<h3>💻 参考代码（Python）</h3>
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<div id="codeArea"></div>
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</div>
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<footer>Powered by QwenPaw · 图解算法 · LeetCode Hot 100</footer>
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</div>
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<script src="../shared/algo-viz.js"></script>
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<script>
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"use strict";
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(function() {
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// ========== Algorithm Logic ==========
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const examples = [
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{input:[2,2,1], label:'示例1: [2,2,1]'},
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{input:[4,1,2,1,2], label:'示例2: [4,1,2,1,2]'},
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{input:[1], label:'示例3: [1]'},
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];
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let nums, steps, stepCtrl;
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function toBin(n,bits){return(n>>>0).toString(2).padStart(bits,'0');}
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function buildSteps(arr) {
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nums=[...arr];steps=[];let xor=0;const bits=Math.max(4,Math.ceil(Math.log2(Math.max(...arr)+1)));
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steps.push({stage:'init',msg:'a⊕a=0, a⊕0=a，异或消除成对数',idx:-1,xorResult:0,xorBin:toBin(0,bits)});
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for(let i=0;i<arr.length;i++){const prev=xor;xor^=arr[i];steps.push({stage:'xor',msg:`${prev} ⊕ ${arr[i]} = ${toBin(prev,bits)} ⊕ ${toBin(arr[i],bits)} = ${toBin(xor,bits)} = ${xor}`,idx:i,xorResult:xor,xorBin:toBin(xor,bits),prevBin:toBin(prev,bits),curBin:toBin(arr[i],bits)});}
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steps.push({stage:'done',msg:`结果=${xor}`,idx:-1,xorResult:xor,xorBin:toBin(xor,bits)});
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}
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function render(step) {
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const s=steps[step];const hl={};if(s.idx>=0)hl[s.idx]='orange';for(let i=0;i<s.idx;i++)hl[i]='blue';
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let viz=renderArray(nums,{highlights:hl});
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viz+=`<div style="margin-top:12px;padding:12px;background:#f8fafc;border-radius:8px;"><div>XOR = <b style="color:var(--blue);font-size:18px;">${s.xorResult}</b></div>`;
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if(s.stage==='xor'){viz+=`<div style="display:flex;gap:8px;align-items:center;font-family:monospace;margin-top:8px;"><div style="padding:6px 12px;background:#e0e7ff;border-radius:6px;">${s.prevBin}</div><div style="font-weight:700;">⊕</div><div style="padding:6px 12px;background:#fef3c7;border-radius:6px;">${s.curBin}</div><div style="font-weight:700;">=</div><div style="padding:6px 12px;background:#dcfce7;border-radius:6px;font-weight:700;">${s.xorBin}</div></div><div style="margin-top:6px;font-size:12px;color:#64748b;">逐位异或：相同为0，不同为1</div>`;}
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viz+='</div>';$('vizArea').innerHTML=viz;
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$('detailContent').innerHTML='<div class="calc-block">'+s.msg+'</div>'+`<div class="current-answer">XOR = <b>${s.xorResult}</b></div>`;
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if(s.stage==='done') $('resultContent').innerHTML=`<div class="final-answer">只出现一次的数字 = <b>${s.xorResult}</b></div>`;
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$('hintText').textContent=s.msg;
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const stages=['init→初始化','xor→异或','done→完成'];
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$('pipeline').innerHTML=stages.map(x=>{const[k,l]=x.split('→');return`<span class="pipe-step ${s.stage===k?'active':''}">${l}</span>`;}).join('<i>→</i>');
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}
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function init() {
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const sel=$('exampleSelect');examples.forEach((e,i)=>{sel.innerHTML+=`<option value="${i}">${e.label}</option>`;});
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$('inputArea').value='[2,2,1]';buildSteps(examples[0].input);
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stepCtrl=new StepController({onStep:render});stepCtrl.setSteps(steps.map((_,i)=>i));
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$('stepInfo').textContent='步骤 1 / '+steps.length;stepCtrl.onStep=(idx)=>{render(idx);$('stepInfo').textContent=`步骤 ${idx+1} / ${steps.length}`;};
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$('applyBtn').onclick=()=>{try{const a=JSON.parse($('inputArea').value);buildSteps(a);stepCtrl.setSteps(steps.map((_,i)=>i));render(0);}catch(e){alert('请输入合法JSON数组');}};
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$('exampleSelect').onchange=()=>{const e=examples[parseInt($('exampleSelect').value)];$('inputArea').value=JSON.stringify(e.input);buildSteps(e.input);stepCtrl.setSteps(steps.map((_,i)=>i));render(0);};
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$('prevBtn').onclick=()=>stepCtrl.prev();$('nextBtn').onclick=()=>stepCtrl.next();$('jumpBtn').onclick=()=>stepCtrl.jumpToEnd();
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$('autoBtn').onclick=()=>{const on=stepCtrl.toggleAuto();$('autoBtn').textContent=on?'暂停':'自动播放';};
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$('resetBtn').onclick=()=>{stepCtrl.reset();$('autoBtn').textContent='自动播放';};
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}
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init();
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$('codeArea').innerHTML = renderCode(`def singleNumber(nums):
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result = 0
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for num in nums:
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result ^= num
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return result`, {lang:'Python'});
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})();
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</script>
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</body>
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</html> |