What Did The Ancient Chinese Teach Us About Hacking?

And so a large army met. The general asks the collected troops to arrange themselves into groups of 50. He counts that there are four troops left without a group. He then asks for groups of 60, and there are 14 left, and finally, he asks for groups of 70, and there are 24 left. The general stands up and tells the army that they are 201,554 strong. So how did the general do it?

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