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https://github.com/krahets/hello-algo.git
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Yudong Jin
772183705e
* Add Russian docs site baseline * Add Russian localized codebase * Polish Russian code wording * Update ru code translation. * Update code translation and chapter covers. * Fix pythontutor extraction. * Add README and landing page. * placeholder of profiles * Use figures of English version * Remove chapter paperbook
28 lines
644 B
Dart
28 lines
644 B
Dart
/**
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* File: climbing_stairs_dfs.dart
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* Created Time: 2023-08-11
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* Author: liuyuxin (gvenusleo@gmail.com)
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*/
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/* Поиск */
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int dfs(int i) {
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// dp[1] и dp[2] уже известны, вернуть их
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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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int count = dfs(i - 1) + dfs(i - 2);
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return count;
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}
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/* Подъем по лестнице: поиск */
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int climbingStairsDFS(int n) {
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return dfs(n);
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}
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/* Driver Code */
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void main() {
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int n = 9;
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int res = climbingStairsDFS(n);
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print("Количество способов подняться по лестнице из $n ступеней = $res");
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}
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