HeapSortDemo.java - public class HeapSortDemo cfw public...

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public class HeapSortDemo { public HeapSortDemo() { int[] a = {30, 3, 7, 15, 20, 100, 25, 80, 10, 90, 17, 40, 5}; int i; for (i=0; i<a.length; i++) System.out.println(a[i]); heapsort(a); System.out.println("Sorted:"); for (i=0; i<a.length; i++) System.out.println(a[i]); } public static void main(String[] args) { HeapSortDemo H=new HeapSortDemo(); } public void heapsort(int[] a) { int last=a.length; int i;
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Unformatted text preview: for (i=last/2; i>0; i--) maxshift(a, i, last); for (i=1; i<a.length; i++) { int x=a[last-1]; a[last-1]=a[0]; a[0]=x; last--; maxshift(a, 1, last); } } public static void maxshift(int a, int i, int last) { int j=2*i; int x=a[i-1]; if ((j<last)&&(a[j]>a[j-1])) j++; while((j<=last)&&(a[j-1]>x)) { a[i-1]=a[j-1]; i=j; j=2*j; if ((j<last)&&(a[j]>a[j-1])) j++; } a[i-1]=x; } }...
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  • Fall '16
  • James Korsh
  • Sort, Harshad number, int x=a, int last=a.length

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