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hello-algo/codes/go/chapter_searching/hashing_search.go

30 lines
709 B

// File: binary_search.go
// Created Time: 2022-12-12
// Author: Slone123c (274325721@qq.com)
package chapter_searching
import . "github.com/krahets/hello-algo/pkg"
/* 哈希查找(数组) */
func hashingSearchArray(m map[int]int, target int) int {
// 哈希表的 key: 目标元素value: 索引
// 若哈希表中无此 key ,返回 -1
if index, ok := m[target]; ok {
return index
} else {
return -1
}
}
/* 哈希查找(链表) */
func hashingSearchLinkedList(m map[int]*ListNode, target int) *ListNode {
// 哈希表的 key: 目标节点值value: 节点对象
// 若哈希表中无此 key ,返回 nil
if node, ok := m[target]; ok {
return node
} else {
return nil
}
}