堆排序 class Finder { public: int findKth(vector<int> a, int n, int K) { // write code here //假设int myints[] = {10,20,30,5,15}; //建立最大堆,会使得a[n-1]放的是最大值30 make_heap(a.begin(),a.end()); //在已经建立好的堆上面,进行堆排序,使得5,10,15,20,30 sort_heap(a.begin(),a.e...