N students stand in a row, music teachers have to ask them (NK) students out of which the remaining students K chorus line formation. Task is known to students of all N-bit height, the calculation would need at least a few students out, you can make the rest of the students chorus line formation

Packet : 37724113singingsequence.rar filelist
合唱队型\hechangduixing.cpp
合唱队型\D3 -- 合唱队形.htm
合唱队型\D3 -- 合唱队形.files\home.jpg
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合唱队型\D3 -- 合唱队形.files\Thumbs.db
合唱队型\D3 -- 合唱队形.files
合唱队型

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