結果
問題 | No.732 3PrimeCounting |
ユーザー | tenten |
提出日時 | 2023-05-08 12:54:57 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 937 ms / 3,000 ms |
コード長 | 2,231 bytes |
コンパイル時間 | 2,530 ms |
コンパイル使用メモリ | 97,880 KB |
実行使用メモリ | 43,064 KB |
最終ジャッジ日時 | 2024-05-04 00:28:59 |
合計ジャッジ時間 | 20,043 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | AC | 50 ms
36,688 KB |
testcase_01 | AC | 49 ms
36,916 KB |
testcase_02 | AC | 49 ms
37,044 KB |
testcase_03 | AC | 50 ms
36,856 KB |
testcase_04 | AC | 49 ms
36,660 KB |
testcase_05 | AC | 48 ms
36,908 KB |
testcase_06 | AC | 48 ms
37,068 KB |
testcase_07 | AC | 49 ms
36,908 KB |
testcase_08 | AC | 52 ms
36,796 KB |
testcase_09 | AC | 49 ms
36,796 KB |
testcase_10 | AC | 53 ms
36,884 KB |
testcase_11 | AC | 52 ms
36,832 KB |
testcase_12 | AC | 51 ms
37,120 KB |
testcase_13 | AC | 50 ms
37,124 KB |
testcase_14 | AC | 50 ms
37,064 KB |
testcase_15 | AC | 51 ms
36,988 KB |
testcase_16 | AC | 51 ms
36,512 KB |
testcase_17 | AC | 53 ms
36,932 KB |
testcase_18 | AC | 56 ms
36,656 KB |
testcase_19 | AC | 53 ms
36,932 KB |
testcase_20 | AC | 63 ms
36,948 KB |
testcase_21 | AC | 95 ms
38,408 KB |
testcase_22 | AC | 97 ms
38,700 KB |
testcase_23 | AC | 52 ms
36,960 KB |
testcase_24 | AC | 53 ms
36,952 KB |
testcase_25 | AC | 110 ms
39,364 KB |
testcase_26 | AC | 89 ms
38,840 KB |
testcase_27 | AC | 68 ms
37,848 KB |
testcase_28 | AC | 69 ms
37,680 KB |
testcase_29 | AC | 69 ms
38,072 KB |
testcase_30 | AC | 79 ms
38,116 KB |
testcase_31 | AC | 92 ms
38,900 KB |
testcase_32 | AC | 106 ms
39,460 KB |
testcase_33 | AC | 91 ms
39,116 KB |
testcase_34 | AC | 85 ms
38,928 KB |
testcase_35 | AC | 94 ms
39,176 KB |
testcase_36 | AC | 94 ms
38,956 KB |
testcase_37 | AC | 53 ms
36,968 KB |
testcase_38 | AC | 54 ms
36,656 KB |
testcase_39 | AC | 87 ms
38,816 KB |
testcase_40 | AC | 92 ms
38,572 KB |
testcase_41 | AC | 95 ms
38,316 KB |
testcase_42 | AC | 99 ms
38,492 KB |
testcase_43 | AC | 94 ms
38,904 KB |
testcase_44 | AC | 78 ms
37,960 KB |
testcase_45 | AC | 76 ms
38,116 KB |
testcase_46 | AC | 64 ms
37,844 KB |
testcase_47 | AC | 69 ms
38,296 KB |
testcase_48 | AC | 109 ms
39,252 KB |
testcase_49 | AC | 104 ms
39,312 KB |
testcase_50 | AC | 92 ms
38,540 KB |
testcase_51 | AC | 92 ms
38,572 KB |
testcase_52 | AC | 65 ms
37,876 KB |
testcase_53 | AC | 94 ms
39,412 KB |
testcase_54 | AC | 356 ms
42,708 KB |
testcase_55 | AC | 393 ms
40,236 KB |
testcase_56 | AC | 356 ms
42,764 KB |
testcase_57 | AC | 133 ms
39,664 KB |
testcase_58 | AC | 133 ms
39,504 KB |
testcase_59 | AC | 102 ms
39,312 KB |
testcase_60 | AC | 163 ms
39,552 KB |
testcase_61 | AC | 157 ms
39,632 KB |
testcase_62 | AC | 412 ms
40,380 KB |
testcase_63 | AC | 218 ms
40,032 KB |
testcase_64 | AC | 176 ms
40,064 KB |
testcase_65 | AC | 174 ms
39,976 KB |
testcase_66 | AC | 52 ms
37,240 KB |
testcase_67 | AC | 51 ms
37,092 KB |
testcase_68 | AC | 371 ms
43,064 KB |
testcase_69 | AC | 388 ms
40,356 KB |
testcase_70 | AC | 332 ms
40,380 KB |
testcase_71 | AC | 360 ms
42,752 KB |
testcase_72 | AC | 237 ms
39,932 KB |
testcase_73 | AC | 688 ms
40,952 KB |
testcase_74 | AC | 643 ms
41,292 KB |
testcase_75 | AC | 94 ms
39,536 KB |
testcase_76 | AC | 392 ms
40,584 KB |
testcase_77 | AC | 140 ms
39,712 KB |
testcase_78 | AC | 500 ms
40,524 KB |
testcase_79 | AC | 358 ms
42,840 KB |
testcase_80 | AC | 520 ms
43,020 KB |
testcase_81 | AC | 366 ms
42,788 KB |
testcase_82 | AC | 60 ms
37,488 KB |
testcase_83 | AC | 135 ms
39,488 KB |
testcase_84 | AC | 138 ms
39,636 KB |
testcase_85 | AC | 326 ms
40,084 KB |
testcase_86 | AC | 526 ms
40,660 KB |
testcase_87 | AC | 879 ms
41,720 KB |
testcase_88 | AC | 937 ms
41,352 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); boolean[] isNotPrimes = new boolean[n * 3]; ArrayList<Integer> primes = new ArrayList<>(); for (int i = 2; i < 3 * n; i++) { if (!isNotPrimes[i]) { primes.add(i); for (int j = 2; j * i < 3 * n; j++) { isNotPrimes[j * i] = true; } } } int[] counts = new int[n * 3]; long ans = 0; for (int i = 0; i < primes.size() && primes.get(i) <= n; i++) { for (int j = primes.size() - 1; j > i; j--) { ans += counts[primes.get(j) - primes.get(i)]; } for (int j = 0; j < i; j++) { counts[primes.get(i) + primes.get(j)]++; } } System.out.println(ans); } } 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(); } }