結果
問題 | No.472 平均順位 |
ユーザー |
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提出日時 | 2023-06-14 08:47:30 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 929 ms / 2,000 ms |
コード長 | 2,231 bytes |
コンパイル時間 | 2,783 ms |
コンパイル使用メモリ | 89,080 KB |
実行使用メモリ | 44,308 KB |
最終ジャッジ日時 | 2024-06-22 20:37:40 |
合計ジャッジ時間 | 10,817 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 16 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();int p = sc.nextInt();int[] current = new int[n * 3 + 1];int[] next = new int[n * 3 + 1];Arrays.fill(current, Integer.MAX_VALUE / 2);current[0] = n;for (int i = 0; i < n; i++) {int[] scores = new int[4];for (int j = 0; j < 3; j++) {scores[j] = sc.nextInt() - 1;}Arrays.fill(next, Integer.MAX_VALUE / 2);for (int j = 0; j + 3 <= n * 3; j++) {for (int k = 0; k < 4; k++) {next[j + k] = Math.min(next[j + k], current[j] + scores[k]);}}int[] tmp = current;current = next;next = tmp;}System.out.println(current[p] / (double)n);}}class Utilities {static String arrayToLineString(Object[] arr) {return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));}static String arrayToLineString(int[] arr) {return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");StringBuilder sb = new StringBuilder();public Scanner() throws Exception {}public int nextInt() throws Exception {return Integer.parseInt(next());}public long nextLong() throws Exception {return Long.parseLong(next());}public double nextDouble() throws Exception {return Double.parseDouble(next());}public int[] nextIntArray() throws Exception {return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();}public String next() throws Exception {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}