結果
問題 | No.368 LCM of K-products |
ユーザー | Grenache |
提出日時 | 2016-05-28 13:05:48 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 581 ms / 2,000 ms |
コード長 | 4,010 bytes |
コンパイル時間 | 3,816 ms |
コンパイル使用メモリ | 80,588 KB |
実行使用メモリ | 94,972 KB |
最終ジャッジ日時 | 2023-10-23 21:17:55 |
合計ジャッジ時間 | 14,225 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 453 ms
78,472 KB |
testcase_01 | AC | 354 ms
72,332 KB |
testcase_02 | AC | 472 ms
85,664 KB |
testcase_03 | AC | 417 ms
77,008 KB |
testcase_04 | AC | 558 ms
77,748 KB |
testcase_05 | AC | 581 ms
94,972 KB |
testcase_06 | AC | 86 ms
54,512 KB |
testcase_07 | AC | 89 ms
54,540 KB |
testcase_08 | AC | 77 ms
54,520 KB |
testcase_09 | AC | 75 ms
54,512 KB |
testcase_10 | AC | 76 ms
54,504 KB |
testcase_11 | AC | 76 ms
54,508 KB |
testcase_12 | AC | 91 ms
54,512 KB |
testcase_13 | AC | 487 ms
73,088 KB |
testcase_14 | AC | 446 ms
79,100 KB |
testcase_15 | AC | 495 ms
83,612 KB |
testcase_16 | AC | 450 ms
76,948 KB |
testcase_17 | AC | 432 ms
76,892 KB |
testcase_18 | AC | 476 ms
82,600 KB |
testcase_19 | AC | 305 ms
68,200 KB |
testcase_20 | AC | 396 ms
75,512 KB |
testcase_21 | AC | 232 ms
65,496 KB |
testcase_22 | AC | 562 ms
83,292 KB |
testcase_23 | AC | 76 ms
54,504 KB |
testcase_24 | AC | 75 ms
53,964 KB |
testcase_25 | AC | 76 ms
54,504 KB |
testcase_26 | AC | 77 ms
54,508 KB |
testcase_27 | AC | 76 ms
54,500 KB |
testcase_28 | AC | 77 ms
54,516 KB |
testcase_29 | AC | 75 ms
54,504 KB |
testcase_30 | AC | 75 ms
54,524 KB |
testcase_31 | AC | 76 ms
54,516 KB |
testcase_32 | AC | 75 ms
54,512 KB |
testcase_33 | AC | 313 ms
70,908 KB |
testcase_34 | AC | 107 ms
55,692 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.Map.*; public class Main_yukicoder368 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Printer pr = new Printer(System.out); Prime p = new Prime(100_000); List<Integer> primes = p.getPrimeList(100_000); int n = sc.nextInt(); int k = sc.nextInt(); Map<Integer, List<Integer>> hm = new HashMap<>(); for (int i = 0; i < n; i++) { int a = sc.nextInt(); int tmp = a; for (int j : primes) { if (j * j > a) { break; } int cnt = 0; while (tmp % j == 0) { cnt++; tmp /= j; } if (hm.containsKey(j)) { hm.get(j).add(cnt); } else { List<Integer> ltmp = new ArrayList<>(); ltmp.add(cnt); hm.put(j, ltmp); } } if (tmp != 1) { if (hm.containsKey(tmp)) { hm.get(tmp).add(1); } else { List<Integer> ltmp = new ArrayList<>(); ltmp.add(1); hm.put(tmp, ltmp); } } } final long MOD = 1_000_000_007; long ret = 1; for (Entry<Integer, List<Integer>> e : hm.entrySet()) { List<Integer> bp = e.getValue(); Collections.sort(bp); int pp = 0; for (int i = bp.size() - 1; bp.size() - i <= k && i >= 0; i--) { pp += bp.get(i); } ret = ret * pow(e.getKey(), pp, MOD) % MOD; } pr.println(ret); pr.close(); sc.close(); } private static long pow(int a, int n, long MOD) { int loop = n; long ret = 1; long x = a; while (loop > 0) { if (loop % 2 == 1) { ret = ret * x % MOD; } x = x * x % MOD; loop /= 2; } return ret; } @SuppressWarnings("unused") private static class Prime { private int n; private List<Integer> primes; private BitSet p; Prime(int n) { this.n = n; p = new BitSet(n / 2); int m = (int)Math.sqrt(n); for (int i = 1; i <= m; i++) { if (p.get(i - 1)) { continue; } for (int j = 2 * i * (i + 1); 2 * j + 1 <= n; j += 2 * i + 1) { p.set(j - 1); } } } boolean isPrime(int n) { if (n == 2) { return true; } if (n == 1 || (n & 0x1) == 0) { return false; } return !p.get(n / 2 - 1); } List<Integer> getPrimeList(int n) { if (primes != null) { return primes; } primes = new ArrayList<>(); primes.add(2); for (int i = 1; 2 * i + 1 <= n; i++) { if (!p.get(i - 1)) { primes.add(2 * i + 1); } } return primes; } private static boolean isPrime(long n) { if (n == 2) { return true; } if (n == 1 || (n & 0x1) == 0) { return false; } for (long i = 3; i * i <= n; i += 2) { if (n % i == 0) { return false; } } return true; } } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Iterator<String> it; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } String next() throws RuntimeException { try { if (it == null || !it.hasNext()) { it = Arrays.asList(br.readLine().split(" ")).iterator(); } return it.next(); } catch (IOException e) { throw new IllegalStateException(); } } int nextInt() throws RuntimeException { return Integer.parseInt(next()); } long nextLong() throws RuntimeException { return Long.parseLong(next()); } float nextFloat() throws RuntimeException { return Float.parseFloat(next()); } double nextDouble() throws RuntimeException { return Double.parseDouble(next()); } void close() { try { br.close(); } catch (IOException e) { // throw new IllegalStateException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }