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hello-algo/ko/codes/cpp/chapter_dynamic_programming/climbing_stairs_dfs.cpp
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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C++

/**
* File: climbing_stairs_dfs.cpp
* Created Time: 2023-06-30
* Author: krahets ([email protected])
*/
#include "../utils/common.hpp"
/* 탐색 */
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 */
int climbingStairsDFS(int n) {
return dfs(n);
}
/* 실행 코드 */
int main() {
int n = 9;
int res = climbingStairsDFS(n);
cout << "계단 수: " << n << " 칸, 오르는 방법은 총 " << res << " 가지이다" << endl;
return 0;
}