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32 lines
775 B
C#
32 lines
775 B
C#
/**
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* File: climbing_stairs_dfs.cs
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* Created Time: 2023-06-30
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* Author: hpstory ([email protected])
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*/
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namespace hello_algo.chapter_dynamic_programming;
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public class climbing_stairs_dfs {
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/* 탐색 */
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int DFS(int i) {
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// dp[1]과 dp[2]는 이미 알고 있으므로 해당 값을 반환한다
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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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/* 계단 오르기: 탐색 */
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int ClimbingStairsDFS(int n) {
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return DFS(n);
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}
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[Test]
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public void Test() {
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int n = 9;
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int res = ClimbingStairsDFS(n);
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Console.WriteLine($"{n}개의 계단을 오르는 방법은 총 {res}가지이다");
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}
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}
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