排序 初始状态

原創 zyvscc 2020-02-24 14:13
选择排序的比较次数与记录初始状态无关   比较次数O(n^2),比较次数与关键字的初始状态无关，总的比较次数N=(n-1)+(n-2)+...+1=n*(n-1)/2
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