diff options
Diffstat (limited to 'works/solutions/leetcode/cpp/526.cpp')
-rw-r--r-- | works/solutions/leetcode/cpp/526.cpp | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/works/solutions/leetcode/cpp/526.cpp b/works/solutions/leetcode/cpp/526.cpp deleted file mode 100644 index 19f445f..0000000 --- a/works/solutions/leetcode/cpp/526.cpp +++ /dev/null @@ -1,29 +0,0 @@ -#include <vector> - -using std::vector; - -class Solution { -public: - void dfs(int N, int index, bool *num_used, int &result) { - if (index > N) { - result += 1; - return; - } - - for (int num = 1; num <= N; num++) { - if (!num_used[num] && (num % index == 0 || index % num == 0)) { - num_used[num] = true; - dfs(N, index + 1, num_used, result); - num_used[num] = false; - } - } - } - - int countArrangement(int N) { - bool *num_used = new bool[N + 1]{false}; - int result = 0; - dfs(N, 1, num_used, result); - delete[] num_used; - return result; - } -}; |