2.5.5

question:

Explain why selection sort in not stable.

answer:

假如原本是b1,b2,a,这里b1,b2是按顺序排的,但是选择排后就变成了a,b2,b1,顺序就乱了,所以稳定性不好;

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转载自www.cnblogs.com/w-j-c/p/9146001.html