結果
問題 | No.27 板の準備 |
ユーザー |
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提出日時 | 2022-08-19 11:53:00 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 74 ms / 5,000 ms |
コード長 | 2,038 bytes |
コンパイル時間 | 2,293 ms |
コンパイル使用メモリ | 77,900 KB |
実行使用メモリ | 51,264 KB |
最終ジャッジ日時 | 2024-10-07 15:43:00 |
合計ジャッジ時間 | 3,845 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int[] sheets = new int[4];for (int i = 0; i < 4; i++) {sheets[i] = sc.nextInt();}int[] blocks = new int[3];long ans = Long.MAX_VALUE;for (int a = 1; a <= 30; a++) {blocks[0] = a;for (int b = a + 1; b <= 30; b++) {blocks[1] = b;for (int c = b + 1; c <= 30; c++) {blocks[2] = c;long count = 0;int[] dp = new int[31];for (int i = 0; i < 4; i++) {count += dfw(sheets[i], blocks, dp);}ans = Math.min(ans, count);}}}System.out.println(ans);}static int dfw(int x, int[] blocks, int[] dp) {if (x < 0) {return Integer.MAX_VALUE / 2;}if (x == 0) {return 0;}if (dp[x] == 0) {dp[x] = Integer.MAX_VALUE / 2;for (int i = 0; i < 3; i++) {dp[x] = Math.min(dp[x], dfw(x - blocks[i], blocks, dp) + 1);}}return dp[x];}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");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 String next() throws Exception {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}