結果
問題 |
No.390 最長の数列
|
ユーザー |
![]() |
提出日時 | 2017-11-02 19:48:24 |
言語 | Java (openjdk 23) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,312 bytes |
コンパイル時間 | 2,614 ms |
コンパイル使用メモリ | 78,680 KB |
実行使用メモリ | 86,076 KB |
最終ジャッジ日時 | 2024-11-22 13:48:12 |
合計ジャッジ時間 | 46,476 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 8 TLE * 7 |
ソースコード
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.LinkedList; import java.util.Scanner; import java.util.StringTokenizer; public class Main { public static int dfs(int N, int curr, int[] array, int[] memo){ if(memo[curr] >= 0){ return memo[curr]; } int answer = 1; for(int i = curr + 1; i < N; i++){ if(array[i] % array[curr] != 0){ continue; } answer = Math.max(answer, dfs(N, i, array, memo) + 1); } return memo[curr] = answer; } public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); final int N = sc.nextInt(); int[] array = sc.nextIntArray(N); Arrays.sort(array); int[] memo = new int[N]; Arrays.fill(memo, -1); int max = 0; for(int start = 0; start < N; start++){ max = Math.max(max, dfs(N, start, array, memo)); } //System.out.println(Arrays.toString(array)); //System.out.println(Arrays.toString(memo)); System.out.println(max); } public static class Scanner implements Closeable { private BufferedReader br; private StringTokenizer tok; public Scanner(InputStream is) throws IOException { br = new BufferedReader(new InputStreamReader(is)); } private void getLine() throws IOException { while (!hasNext()) { tok = new StringTokenizer(br.readLine()); } } private boolean hasNext() { return tok != null && tok.hasMoreTokens(); } public String next() throws IOException { getLine(); return tok.nextToken(); } public int nextInt() throws IOException { return Integer.parseInt(next()); } public long nextLong() throws IOException { return Long.parseLong(next()); } public double nextDouble() throws IOException { return Double.parseDouble(next()); } public int[] nextIntArray(int n) throws IOException { final int[] ret = new int[n]; for (int i = 0; i < n; i++) { ret[i] = this.nextInt(); } return ret; } public long[] nextLongArray(int n) throws IOException { final long[] ret = new long[n]; for (int i = 0; i < n; i++) { ret[i] = this.nextLong(); } return ret; } public void close() throws IOException { br.close(); } } }