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Many bug fixes and improvements (#1270)

Browse Source 
* Add Ruby and Kotlin icons
Add the avatar of @curtishd

* Update README

* Synchronize zh-hant and zh versions.

* Translate the pythontutor blocks to traditional Chinese

* Fix en/mkdocs.yml

* Update the landing page of the en version.

* Fix the Dockerfile

* Refine the en landingpage

* Fix en landing page

* Reset the README.md
This commit is contained in:
Yudong Jin
2024-04-11 20:18:19 +08:00
committed by GitHub
parent 07977184ad
commit b2f0d4603d
192 changed files with 2382 additions and 1196 deletions
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zh-hant/codes/kotlin/chapter_dynamic_programming/edit_distance.kt
+6 -10
View File
@@ -6,7 +6,6 @@
package chapter_dynamic_programming
import java.util.*
import kotlin.math.min
/* 編輯距離：暴力搜尋 */
@@ -29,7 +28,7 @@ fun editDistanceDFS(
val delete = editDistanceDFS(s, t, i - 1, j)
val replace = editDistanceDFS(s, t, i - 1, j - 1)
// 返回最少編輯步數
return (min(min(insert.toDouble(), delete.toDouble()), replace.toDouble()) + 1).toInt()
return min(min(insert, delete), replace) + 1
}
/* 編輯距離：記憶化搜尋 */
@@ -55,7 +54,7 @@ fun editDistanceDFSMem(
val delete = editDistanceDFSMem(s, t, mem, i - 1, j)
val replace = editDistanceDFSMem(s, t, mem, i - 1, j - 1)
// 記錄並返回最少編輯步數
mem[i][j] = (min(min(insert.toDouble(), delete.toDouble()), replace.toDouble()) + 1).toInt()
mem[i][j] = min(min(insert, delete), replace) + 1
return mem[i][j]
}
@@ -79,11 +78,7 @@ fun editDistanceDP(s: String, t: String): Int {
dp[i][j] = dp[i - 1][j - 1]
} else {
// 最少編輯步數 = 插入、刪除、替換這三種操作的最少編輯步數 + 1
dp[i][j] =
(min(
min(dp[i][j - 1].toDouble(), dp[i - 1][j].toDouble()),
dp[i - 1][j - 1].toDouble()
) + 1).toInt()
dp[i][j] = min(min(dp[i][j - 1], dp[i - 1][j]), dp[i - 1][j - 1]) + 1
}
}
}
@@ -112,7 +107,7 @@ fun editDistanceDPComp(s: String, t: String): Int {
dp[j] = leftup
} else {
// 最少編輯步數 = 插入、刪除、替換這三種操作的最少編輯步數 + 1
dp[j] = (min(min(dp[j - 1].toDouble(), dp[j].toDouble()), leftup.toDouble()) + 1).toInt()
dp[j] = min(min(dp[j - 1], dp[j]), leftup) + 1
}
leftup = temp // 更新為下一輪的 dp[i-1, j-1]
}
@@ -133,7 +128,8 @@ fun main() {
// 記憶化搜尋
val mem = Array(n + 1) { IntArray(m + 1) }
for (row in mem) Arrays.fill(row, -1)
for (row in mem)
row.fill(-1)
res = editDistanceDFSMem(s, t, mem, n, m)
println("將 $s 更改為 $t 最少需要編輯 $res 步")