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为什么一定要有个return 0;

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L0standfound

#1 Created at ... [Delete] [Delete and Lock User]

为什么下面都要加一个return 0;呢 这种很误导新手 以为要跟着下面去写

廖雪峰

#2 Created at ... [Delete] [Delete and Lock User]

因为要保证代码能直接运行，测试如果出错就去修正代码。

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