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Yudong Jin
7257641e0e
* Retranslate the complete Japanese online edition from Chinese * Fit Japanese homepage labels and localize heading permalinks * Point Japanese contribution instructions to the Japanese preview * Replace locale conditionals with multilingual UI tables
25 lines
578 B
JavaScript
25 lines
578 B
JavaScript
/**
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* File: climbing_stairs_dfs.js
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* Created Time: 2023-07-26
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* Author: yuan0221 ([email protected])
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*/
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/* 探索 */
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function dfs(i) {
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// dp[1] と dp[2] は既知なので、その値を返す
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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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const count = dfs(i - 1) + dfs(i - 2);
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return count;
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}
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/* 階段の上り方：探索 */
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function climbingStairsDFS(n) {
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return dfs(n);
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}
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/* 実行用コード */
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const n = 9;
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const res = climbingStairsDFS(n);
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console.log(`${n} 段の階段を上る方法は全部で ${res} 通り`);
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