結果
問題 | No.2039 Copy and Avoid |
ユーザー |
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提出日時 | 2023-02-07 19:49:29 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 473 ms / 2,000 ms |
コード長 | 3,011 bytes |
コンパイル時間 | 3,756 ms |
コンパイル使用メモリ | 85,400 KB |
実行使用メモリ | 49,560 KB |
最終ジャッジ日時 | 2024-07-05 14:58:42 |
合計ジャッジ時間 | 8,918 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 31 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static HashMap<Integer, Integer> unables = new HashMap<>();static HashMap<Integer, Long> dp = new HashMap<>();static long a;static long b;public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();int m = sc.nextInt();a = sc.nextInt();b = sc.nextInt();int[] values = new int[m];for (int i = 0; i < m; i++) {values[i] = sc.nextInt();}Arrays.sort(values);for (int i = 1; i <= Math.sqrt(n); i++) {if (n % i == 0) {unables.put(i, Integer.MAX_VALUE);if (i != 1 && i * i < n) {unables.put(n / i, Integer.MAX_VALUE);}}}for (int x : unables.keySet()) {for (int y : values) {if (y % x == 0) {unables.put(x, y);break;}}}dp.put(1, 0L);long ans = dfw(n);if (ans >= Long.MAX_VALUE / 2) {System.out.println(-1);} else {System.out.println(ans - b);}}static long dfw(int x) {if (!dp.containsKey(x)) {long ans = Long.MAX_VALUE / 2;for (int y : unables.keySet()) {if (x == y || x % y > 0) {continue;}if (unables.get(y) <= x) {continue;}ans = Math.min(ans, dfw(y) + (x / y - 1) * a + b);}dp.put(x, ans);}return dp.get(x);}}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();}}