結果
問題 | No.732 3PrimeCounting |
ユーザー | tenten |
提出日時 | 2023-04-10 17:08:11 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 584 ms / 3,000 ms |
コード長 | 2,348 bytes |
コンパイル時間 | 2,595 ms |
コンパイル使用メモリ | 93,528 KB |
実行使用メモリ | 45,244 KB |
最終ジャッジ日時 | 2024-04-15 21:41:18 |
合計ジャッジ時間 | 16,524 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 49 ms
37,300 KB |
testcase_01 | AC | 48 ms
37,056 KB |
testcase_02 | AC | 50 ms
36,928 KB |
testcase_03 | AC | 50 ms
36,964 KB |
testcase_04 | AC | 49 ms
37,240 KB |
testcase_05 | AC | 49 ms
37,320 KB |
testcase_06 | AC | 48 ms
37,400 KB |
testcase_07 | AC | 49 ms
37,144 KB |
testcase_08 | AC | 49 ms
37,272 KB |
testcase_09 | AC | 50 ms
37,068 KB |
testcase_10 | AC | 49 ms
37,448 KB |
testcase_11 | AC | 49 ms
36,756 KB |
testcase_12 | AC | 50 ms
36,932 KB |
testcase_13 | AC | 48 ms
37,244 KB |
testcase_14 | AC | 50 ms
37,440 KB |
testcase_15 | AC | 47 ms
37,400 KB |
testcase_16 | AC | 48 ms
36,752 KB |
testcase_17 | AC | 48 ms
37,020 KB |
testcase_18 | AC | 47 ms
36,904 KB |
testcase_19 | AC | 48 ms
36,928 KB |
testcase_20 | AC | 57 ms
37,080 KB |
testcase_21 | AC | 75 ms
38,120 KB |
testcase_22 | AC | 87 ms
38,392 KB |
testcase_23 | AC | 52 ms
37,152 KB |
testcase_24 | AC | 51 ms
37,012 KB |
testcase_25 | AC | 99 ms
39,732 KB |
testcase_26 | AC | 97 ms
38,960 KB |
testcase_27 | AC | 62 ms
37,664 KB |
testcase_28 | AC | 72 ms
37,364 KB |
testcase_29 | AC | 87 ms
38,704 KB |
testcase_30 | AC | 84 ms
38,676 KB |
testcase_31 | AC | 91 ms
38,812 KB |
testcase_32 | AC | 95 ms
39,716 KB |
testcase_33 | AC | 102 ms
39,656 KB |
testcase_34 | AC | 101 ms
38,832 KB |
testcase_35 | AC | 98 ms
39,492 KB |
testcase_36 | AC | 97 ms
39,144 KB |
testcase_37 | AC | 53 ms
37,040 KB |
testcase_38 | AC | 54 ms
37,448 KB |
testcase_39 | AC | 98 ms
39,004 KB |
testcase_40 | AC | 94 ms
38,992 KB |
testcase_41 | AC | 92 ms
39,160 KB |
testcase_42 | AC | 90 ms
39,016 KB |
testcase_43 | AC | 90 ms
38,852 KB |
testcase_44 | AC | 71 ms
38,168 KB |
testcase_45 | AC | 65 ms
37,928 KB |
testcase_46 | AC | 66 ms
37,908 KB |
testcase_47 | AC | 72 ms
38,220 KB |
testcase_48 | AC | 98 ms
39,488 KB |
testcase_49 | AC | 97 ms
39,672 KB |
testcase_50 | AC | 74 ms
38,524 KB |
testcase_51 | AC | 75 ms
38,644 KB |
testcase_52 | AC | 64 ms
37,716 KB |
testcase_53 | AC | 106 ms
39,928 KB |
testcase_54 | AC | 262 ms
40,960 KB |
testcase_55 | AC | 317 ms
43,152 KB |
testcase_56 | AC | 252 ms
43,216 KB |
testcase_57 | AC | 127 ms
40,000 KB |
testcase_58 | AC | 145 ms
40,432 KB |
testcase_59 | AC | 126 ms
39,872 KB |
testcase_60 | AC | 140 ms
40,324 KB |
testcase_61 | AC | 142 ms
40,240 KB |
testcase_62 | AC | 239 ms
41,084 KB |
testcase_63 | AC | 164 ms
40,764 KB |
testcase_64 | AC | 177 ms
40,212 KB |
testcase_65 | AC | 146 ms
40,436 KB |
testcase_66 | AC | 51 ms
37,332 KB |
testcase_67 | AC | 50 ms
37,076 KB |
testcase_68 | AC | 283 ms
40,696 KB |
testcase_69 | AC | 249 ms
41,100 KB |
testcase_70 | AC | 252 ms
40,816 KB |
testcase_71 | AC | 186 ms
40,460 KB |
testcase_72 | AC | 140 ms
40,456 KB |
testcase_73 | AC | 324 ms
41,452 KB |
testcase_74 | AC | 454 ms
41,592 KB |
testcase_75 | AC | 100 ms
39,656 KB |
testcase_76 | AC | 224 ms
41,064 KB |
testcase_77 | AC | 131 ms
40,160 KB |
testcase_78 | AC | 272 ms
41,052 KB |
testcase_79 | AC | 294 ms
40,772 KB |
testcase_80 | AC | 301 ms
43,024 KB |
testcase_81 | AC | 272 ms
40,732 KB |
testcase_82 | AC | 58 ms
37,408 KB |
testcase_83 | AC | 127 ms
40,080 KB |
testcase_84 | AC | 148 ms
40,276 KB |
testcase_85 | AC | 246 ms
40,768 KB |
testcase_86 | AC | 268 ms
45,244 KB |
testcase_87 | AC | 379 ms
41,760 KB |
testcase_88 | AC | 584 ms
41,236 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 < isNotPrimes.length; i++) { if (!isNotPrimes[i]) { primes.add(i); for (int j = 2; j * i < isNotPrimes.length; j++) { isNotPrimes[j * i] = true; } } } int[] counts = new int[n * 2]; long ans = 0; for (int i = 2; i < primes.size(); i++) { if (primes.get(i) > n) { break; } for (int j = 0; j < i - 1; j++) { counts[primes.get(j) + primes.get(i - 1)]++; } for (int j = i + 1; j < primes.size() && primes.get(j) < primes.get(i) * 3; j++) { ans += counts[primes.get(j) - primes.get(i)]; } } 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(); } }