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			28 lines
		
	
	
		
			958 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>给定两个以字符串形式表示的非负整数 <code>num1</code> 和 <code>num2</code>,返回 <code>num1</code> 和 <code>num2</code> 的乘积,它们的乘积也表示为字符串形式。</p>
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<p><strong>注意:</strong>不能使用任何内置的 BigInteger 库或直接将输入转换为整数。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre>
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<strong>输入:</strong> num1 = "2", num2 = "3"
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<strong>输出:</strong> "6"</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<strong>输入:</strong> num1 = "123", num2 = "456"
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<strong>输出:</strong> "56088"</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ul>
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	<li><code>1 <= num1.length, num2.length <= 200</code></li>
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	<li><code>num1</code> 和 <code>num2</code> 只能由数字组成。</li>
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	<li><code>num1</code> 和 <code>num2</code> 都不包含任何前导零,除了数字0本身。</li>
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</ul>
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