August 2017
Intermediate to advanced
360 pages
8h 35m
Chinese
Content preview from 算法技术手册（原书第2 版）
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76
｜
第
4
章
图 4-9：使用小的样例数据展示桶排序
4.7.1 解决方案
在
桶排序
的
C
语言实现中，如例
4-7
所示，每一个桶存储一个元素的链表，而每个元素
都是使用散列映射到桶中。适用于输入数据的函数
numBuckets
和
hash
是由外部提供的。
例
4-7
：桶排序的
C
语言实现
extern int hash(void *elt);
extern int numBuckets(int numElements);
/*
桶中的元素链表
*/
typedef struct entry {
void *element;
struct entry *next;
} ENTRY;
/*
维护每个桶中元素的数目，并且指向第一个元素
*/
typedef struct {
排序算法
｜
77
排序算法
int size;
ENTRY *head;
} BUCKET;
/*
用于分配桶的指针，以及桶的数量
*/
static BUCKET *buckets = 0;
static int num = 0;
/**
一个接一个移除，并且覆盖
ar */
void extract (BUCKET *buckets, int(*cmp)(const void *, const void *),
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