結果
問題 | No.54 Happy Hallowe'en |
ユーザー |
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提出日時 | 2023-08-10 13:11:19 |
言語 | Java (openjdk 23) |
結果 |
MLE
|
実行時間 | - |
コード長 | 2,581 bytes |
コンパイル時間 | 5,810 ms |
コンパイル使用メモリ | 85,220 KB |
実行使用メモリ | 768,304 KB |
最終ジャッジ日時 | 2024-11-16 19:28:30 |
合計ジャッジ時間 | 55,372 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 7 TLE * 2 MLE * 10 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static House[] houses;static ArrayList<HashMap<Integer, Integer>> dp = new ArrayList<>();public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();houses = new House[n];for (int i = 0; i < n; i++) {houses[i] = new House(sc.nextInt(), sc.nextInt());dp.add(new HashMap<>());}Arrays.sort(houses);System.out.println(dfw(n - 1, 0));}static int dfw(int idx, int v) {if (idx < 0) {return v;}if (!dp.get(idx).containsKey(v)) {if (houses[idx].limit > v) {dp.get(idx).put(v, Math.max(dfw(idx - 1, v), dfw(idx - 1, v + houses[idx].value)));} else {dp.get(idx).put(v, dfw(idx - 1, v));}}return dp.get(idx).get(v);}static class House implements Comparable<House> {int value;int limit;public House(int value, int limit) {this.value = value;this.limit = limit;}public int compareTo(House another) {return (another.limit + another.value) - (limit + value);}}}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();}}