Question

快速排序45,78,55,37,38,79,98,20我排出来第一步是[20,38,37]45[55,79,98,78]

Answer 1

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45,78,55,37,38,79,98,20

[],78,55,37,38,79,98,20

20,78,55,37,38,79,98,[]

20,[],55,37,38,79,98,78

20,38,55,37,[],79,98,78

20,38,[],37,55,79,98,78

20,38,37,[],55,79,98,78

20,38,37,45,55,79,98,78