/** : , , , ,
* , , ,
*
* 5, 2, 8, 9, 1, 3,4 , 7, increment 3 ,
* 5,2,8 9,1,3,4, ,9 5 ,1 2 ,3 8 ,4 increment
* , , 9, 2, 8, 5, 1, 3,4
* increment 3/2=1, ,
*/
public class ShellSort {
public static void shellSort(int[] data) {
int j = 0;
int temp = 0;
for (int increment = data.length / 2; increment > 0; increment /= 2) {
for (int i = increment; i < data.length; i++) {
temp = data[i];
for (j = i; j >= increment; j -= increment) {
if(temp > data[j - increment]){
data[j] = data[j - increment];
}else{
break;
}
}
data[j] = temp;
}
}
}
public static void main(String[] args) {
int[] data = new int[] { 5, 2, 8, 9, 1, 3 ,4};
System.out.println(" ");
for (int i = 0; i < data.length; i++){
System.out.print(data[i] + " ");
}
shellSort(data);
System.out.println("
");
for (int i = 0; i < data.length; i++)
System.out.print(data[i] + " ");
}
}