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Ikko Eltociear Ashimine
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* docs: add Japanese documents (`ja/docs`) * docs: add Japanese documents (`ja/codes`) * docs: add Japanese documents * Remove pythontutor blocks in ja/ * Add an empty at the end of each markdown file. * Add the missing figures (use the English version temporarily). * Add index.md for Japanese version. * Add index.html for Japanese version. * Add missing index.assets * Fix backtracking_algorithm.md for Japanese version. * Add avatar_eltociear.jpg. Fix image links on the Japanese landing page. * Add the Japanese banner. --------- Co-authored-by: krahets <krahets@163.com>
31 lines
764 B
Java
31 lines
764 B
Java
/**
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* File: climbing_stairs_dfs.java
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* Created Time: 2023-06-30
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* Author: krahets (krahets@163.com)
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*/
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package chapter_dynamic_programming;
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public class climbing_stairs_dfs {
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/* 探索 */
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public static int dfs(int i) {
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// 既知の dp[1] と dp[2] を返す
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if (i == 1 || i == 2)
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return i;
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// dp[i] = dp[i-1] + dp[i-2]
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int count = dfs(i - 1) + dfs(i - 2);
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return count;
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}
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/* 階段登り：探索 */
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public static int climbingStairsDFS(int n) {
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return dfs(n);
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}
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public static void main(String[] args) {
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int n = 9;
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int res = climbingStairsDFS(n);
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System.out.println(String.format("%d段の階段を登る解は%d通りです", n, res));
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}
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} |