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Yudong Jin
772183705e
* Add Russian docs site baseline * Add Russian localized codebase * Polish Russian code wording * Update ru code translation. * Update code translation and chapter covers. * Fix pythontutor extraction. * Add README and landing page. * placeholder of profiles * Use figures of English version * Remove chapter paperbook
29 lines
700 B
Kotlin
29 lines
700 B
Kotlin
/**
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* File: climbing_stairs_dfs.kt
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* Created Time: 2024-01-25
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* Author: curtishd (1023632660@qq.com)
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*/
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package chapter_dynamic_programming
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/* Поиск */
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fun dfs(i: Int): Int {
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// dp[1] и dp[2] уже известны, вернуть их
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if (i == 1 || i == 2) return i
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// dp[i] = dp[i-1] + dp[i-2]
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val count = dfs(i - 1) + dfs(i - 2)
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return count
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}
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/* Подъем по лестнице: поиск */
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fun climbingStairsDFS(n: Int): Int {
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return dfs(n)
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}
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/* Driver Code */
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fun main() {
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val n = 9
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val res = climbingStairsDFS(n)
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println("Количество способов подняться по лестнице из $n ступеней = $res")
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} |