At this point, you can compile and run the code. If everything is correct, you should see a black rectangle on a blue background.

这时，你就可以编译运行代码了，如果一切正常，你会看到在蓝色的背景里有一个黑色的矩形。

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Using background notes from the past decade, Jo Rowling is believed to be set to compile an encyclopedia of magic to create the ultimate guide to the world of wizardry.

罗琳将利用过去十年的背景资料，开始着手编著一部魔法百科全书，最后一次引领读者走进魔法世界。

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Background judge module is mainly responsible for a user to submit the source code to compile, run, and return the judge result to the user.

后台评测模块主要负责对用户提交的源程序进行编译，运行，得到是评测结果再反馈给用户。

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Background judge module is mainly responsible for a user to submit the source code to compile, run, and return the judge result to the user.

后台评测模块主要负责对用户提交的源程序进行编译，运行，得到是评测结果再反馈给用户。

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