mirror of
https://github.com/krahets/hello-algo.git
synced 2025-11-04 14:18:20 +08:00
41 lines
924 B
Go
41 lines
924 B
Go
// File: edit_distance_test.go
|
|
// Created Time: 2023-07-23
|
|
// Author: Reanon (793584285@qq.com)
|
|
|
|
package chapter_dynamic_programming
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
)
|
|
|
|
func TestEditDistanceDFS(test *testing.T) {
|
|
s := "bag"
|
|
t := "pack"
|
|
n := len(s)
|
|
m := len(t)
|
|
|
|
// 暴力搜索
|
|
res := editDistanceDFS(s, t, n, m)
|
|
fmt.Printf("将 %s 更改为 %s 最少需要编辑 %d 步\n", s, t, res)
|
|
|
|
// 记忆化搜索
|
|
mem := make([][]int, n+1)
|
|
for i := 0; i <= n; i++ {
|
|
mem[i] = make([]int, m+1)
|
|
for j := 0; j <= m; j++ {
|
|
mem[i][j] = -1
|
|
}
|
|
}
|
|
res = editDistanceDFSMem(s, t, mem, n, m)
|
|
fmt.Printf("将 %s 更改为 %s 最少需要编辑 %d 步\n", s, t, res)
|
|
|
|
// 动态规划
|
|
res = editDistanceDP(s, t)
|
|
fmt.Printf("将 %s 更改为 %s 最少需要编辑 %d 步\n", s, t, res)
|
|
|
|
// 空间优化后的动态规划
|
|
res = editDistanceDPComp(s, t)
|
|
fmt.Printf("将 %s 更改为 %s 最少需要编辑 %d 步\n", s, t, res)
|
|
}
|