結果
問題 | No.1045 直方体大学 |
ユーザー | hiromi_ayase |
提出日時 | 2020-05-02 02:30:51 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 508 ms / 2,000 ms |
コード長 | 3,722 bytes |
コンパイル時間 | 2,491 ms |
コンパイル使用メモリ | 89,456 KB |
実行使用メモリ | 82,296 KB |
最終ジャッジ日時 | 2024-06-07 16:49:40 |
合計ジャッジ時間 | 7,230 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 71 ms
38,440 KB |
testcase_01 | AC | 70 ms
37,972 KB |
testcase_02 | AC | 70 ms
38,228 KB |
testcase_03 | AC | 72 ms
38,420 KB |
testcase_04 | AC | 72 ms
38,392 KB |
testcase_05 | AC | 88 ms
40,080 KB |
testcase_06 | AC | 90 ms
39,928 KB |
testcase_07 | AC | 90 ms
39,900 KB |
testcase_08 | AC | 300 ms
81,404 KB |
testcase_09 | AC | 288 ms
81,616 KB |
testcase_10 | AC | 302 ms
81,680 KB |
testcase_11 | AC | 290 ms
81,812 KB |
testcase_12 | AC | 301 ms
81,680 KB |
testcase_13 | AC | 330 ms
81,396 KB |
testcase_14 | AC | 317 ms
81,624 KB |
testcase_15 | AC | 343 ms
81,992 KB |
testcase_16 | AC | 330 ms
81,560 KB |
testcase_17 | AC | 81 ms
38,532 KB |
testcase_18 | AC | 508 ms
82,296 KB |
ソースコード
import java.util.Arrays; public class Main { private static void solve() { int n = ni(); int[][] p = ntable(n, 3); int[][][] dp = new int[1 << n][n + 1][3]; for (int[][] v : dp) for (int[] u : v) Arrays.fill(u, -1); dp[0][0][0] = 0; for (int i = 0; i < (1 << n); i++) { for (int j = 0; j <= n; j++) { for (int k = 0; k < 3; k++) { if (dp[i][j][k] < 0) continue; int minA = j == 0 ? Integer.MAX_VALUE : Math.min(p[j - 1][(k + 1) % 3], p[j - 1][(k + 2) % 3]); int maxA = j == 0 ? Integer.MAX_VALUE : Math.max(p[j - 1][(k + 1) % 3], p[j - 1][(k + 2) % 3]); for (int s = 0; s < n; s++) { if (((i >> s) & 1) == 1) continue; for (int t = 0; t < 3; t++) { int minB = Math.min(p[s][(t + 1) % 3], p[s][(t + 2) % 3]); int maxB = Math.max(p[s][(t + 1) % 3], p[s][(t + 2) % 3]); int h = p[s][t]; if (minB <= minA && maxB <= maxA) { dp[i | (1 << s)][s + 1][t] = Math.max(dp[i | (1 << s)][s + 1][t], dp[i][j][k] + h); } } } } } } int ret = 0; for (int[][] v : dp) for (int[] u : v) for (int x : u) ret = Math.max(x, ret); System.out.println(ret); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }