結果
問題 | No.36 素数が嫌い! |
ユーザー | fujisu |
提出日時 | 2015-03-21 09:53:07 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,117 bytes |
コンパイル時間 | 2,438 ms |
コンパイル使用メモリ | 79,612 KB |
実行使用メモリ | 91,296 KB |
最終ジャッジ日時 | 2024-06-28 23:53:49 |
合計ジャッジ時間 | 11,007 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | WA | - |
testcase_01 | AC | 241 ms
76,560 KB |
testcase_02 | AC | 224 ms
76,604 KB |
testcase_03 | AC | 249 ms
88,488 KB |
testcase_04 | AC | 263 ms
76,708 KB |
testcase_05 | AC | 252 ms
76,708 KB |
testcase_06 | AC | 248 ms
88,408 KB |
testcase_07 | AC | 269 ms
76,960 KB |
testcase_08 | AC | 225 ms
76,640 KB |
testcase_09 | AC | 215 ms
76,496 KB |
testcase_10 | AC | 252 ms
76,800 KB |
testcase_11 | AC | 254 ms
76,860 KB |
testcase_12 | AC | 251 ms
76,860 KB |
testcase_13 | AC | 294 ms
76,872 KB |
testcase_14 | AC | 231 ms
76,604 KB |
testcase_15 | AC | 243 ms
76,800 KB |
testcase_16 | AC | 242 ms
76,596 KB |
testcase_17 | AC | 221 ms
76,488 KB |
testcase_18 | AC | 229 ms
76,736 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 238 ms
76,764 KB |
testcase_25 | WA | - |
testcase_26 | AC | 265 ms
76,708 KB |
testcase_27 | AC | 265 ms
76,800 KB |
testcase_28 | AC | 265 ms
76,596 KB |
testcase_29 | AC | 267 ms
76,616 KB |
ソースコード
import java.io.IOException; import java.util.Arrays; import java.util.InputMismatchException; import java.util.LinkedList; import java.util.List; public class Main { List<Integer> list; boolean isPrime(long k) { for (Integer d : list) { if (k == d) { return true; } if (k % d == 0) { return false; } } return true; } boolean check(long k) { int cnt = 0; for (Integer d : list) { while (k % d == 0) { k /= d; cnt++; if (3 <= cnt) { return true; } } } return false; } void run() { MyScanner sc = new MyScanner(); int max = (int) (1e7 + 5); boolean[] prime = new boolean[max]; Arrays.fill(prime, true); prime[0] = prime[1] = false; for (int i = 0; i * i <= max; i++) { if (prime[i]) { for (int j = i * i; j < max; j += i) { prime[j] = false; } } } list = new LinkedList<Integer>(); for (int i = 0; i < max; i++) { if (prime[i]) { list.add(i); } } long n = sc.nextLong(); if (n == 1) { System.out.println("NO"); } else if (isPrime(n)) { System.out.println("NO"); } else { System.out.println(check(n) ? "YES" : "NO"); } } public static void main(String[] args) { new Main().run(); } public void mapDebug(int[][] a) { System.out.println("--------map display---------"); for (int i = 0; i < a.length; i++) { for (int j = 0; j < a[i].length; j++) { System.out.printf("%3d ", a[i][j]); } System.out.println(); } System.out.println("----------------------------" + '\n'); } class MyScanner { int read() { try { return System.in.read(); } catch (IOException e) { throw new InputMismatchException(); } } boolean isSpaceChar(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } boolean isEndline(int c) { return c == '\n' || c == '\r' || c == -1; } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] array = new int[n]; for (int i = 0; i < n; i++) array[i] = nextInt(); return array; } long nextLong() { return Long.parseLong(next()); } long[] nextLongArray(int n) { long[] array = new long[n]; for (int i = 0; i < n; i++) array[i] = nextLong(); return array; } double nextDouble() { return Double.parseDouble(next()); } double[] nextDoubleArray(int n) { double[] array = new double[n]; for (int i = 0; i < n; i++) array[i] = nextDouble(); return array; } String next() { int c = read(); while (isSpaceChar(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isSpaceChar(c)); return res.toString(); } String[] nextStringArray(int n) { String[] array = new String[n]; for (int i = 0; i < n; i++) array[i] = next(); return array; } String nextLine() { int c = read(); while (isEndline(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isEndline(c)); return res.toString(); } } }