結果
問題 | No.27 板の準備 |
ユーザー |
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提出日時 | 2023-03-31 09:04:42 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 81 ms / 5,000 ms |
コード長 | 2,676 bytes |
コンパイル時間 | 2,616 ms |
コンパイル使用メモリ | 90,088 KB |
実行使用メモリ | 51,484 KB |
最終ジャッジ日時 | 2024-09-22 14:48:57 |
合計ジャッジ時間 | 4,855 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 18 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static int[] lengths = new int[3];static int[][] dp;public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int[] plates = new int[4];for (int i = 0; i < 4; i++) {plates[i] = sc.nextInt();}dp = new int[3][31];long ans = Long.MAX_VALUE;for (int i = 1; i <= 30; i++) {lengths[0] = i;for (int j = i + 1; j <= 30; j++) {lengths[1] = j;for (int k = j + 1; k <= 30; k++) {lengths[2] = k;for (int[] arr : dp) {Arrays.fill(arr, -1);}long tmp = 0;for (int x : plates) {tmp += dfw(2, x);}ans = Math.min(ans, tmp);}}}System.out.println(ans);}static int dfw(int idx, int v) {if (v < 0) {return Integer.MAX_VALUE / 2;}if (v == 0) {return 0;}if (idx < 0) {return Integer.MAX_VALUE / 2;}if (dp[idx][v] < 0) {dp[idx][v] = Math.min(dfw(idx - 1, v), dfw(idx, v - lengths[idx]) + 1);}return dp[idx][v];}}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();}}