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