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hello-algo/ko/codes/java/chapter_dynamic_programming/climbing_stairs_dfs.java
T
Yudong Jin 2f561d3d51 feat(ko): add the Korean online edition (#2006)
* feat(ko): add the complete Korean online edition

* Use UTF-8 for Python CI output on Windows

* Remove print-book promotion from the Korean site

* fix(ko): preserve emphasis before Korean particles
2026-10-29 03:46:43 +08:00

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818 B
Java

/**
* File: climbing_stairs_dfs.java
* Created Time: 2023-06-30
* Author: krahets ([email protected])
*/
package chapter_dynamic_programming;
public class climbing_stairs_dfs {
/* 탐색 */
public static int dfs(int i) {
// dp[1]과 dp[2]는 이미 알고 있으므로 해당 값을 반환한다
if (i == 1 || i == 2)
return i;
// dp[i] = dp[i-1] + dp[i-2]
int count = dfs(i - 1) + dfs(i - 2);
return count;
}
/* 계단 오르기: 탐색 */
public static int climbingStairsDFS(int n) {
return dfs(n);
}
public static void main(String[] args) {
int n = 9;
int res = climbingStairsDFS(n);
System.out.println(String.format("%d개의 계단을 오르는 방법은 총 %d가지이다", n, res));
}
}