com.github.azbh111.utils.java.math

类 PermutationUtils

java.lang.Object

com.github.azbh111.utils.java.math.PermutationUtils

public class PermutationUtils
extends java.lang.Object

处理排列相关

构造器概要

构造器

构造器和说明
PermutationUtils()

方法概要

限定符和类型	方法和说明
static PermutationHolder	dictionaryPermutation(byte[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(char[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(double[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(float[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(int[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(long[] arr) 字典序全排列
static PermutationHolder	dictionaryPermutation(short[] arr) 字典序全排列
static <T extends java.lang.Comparable> PermutationHolder	dictionaryPermutation(T[] arr) 字典序全排列
static <T> PermutationHolder	dictionaryPermutation(T[] arr, java.util.Comparator<T> comparator) 字典序全排列
static FullPermutationGenerator	fullPermutation(int count) 基于SJT算法的[0,count)序列的全排列生成器 每次迭代只是交换数组中元素的位置,若需要,请自行拷贝

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

PermutationUtils

public PermutationUtils()

方法详细资料

fullPermutation

public static FullPermutationGenerator fullPermutation(int count)

基于SJT算法的[0,count)序列的全排列生成器 每次迭代只是交换数组中元素的位置,若需要,请自行拷贝

参数:

count - count >= 0

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(byte[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(short[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(int[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(long[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(float[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(double[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static PermutationHolder dictionaryPermutation(char[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static <T extends java.lang.Comparable> PermutationHolder dictionaryPermutation(T[] arr)

字典序全排列

参数:

arr -

返回:

dictionaryPermutation

public static <T> PermutationHolder dictionaryPermutation(T[] arr,
                                                          java.util.Comparator<T> comparator)

字典序全排列

参数:

arr -

返回: