結果
問題 | No.732 3PrimeCounting |
ユーザー | hiromi_ayase |
提出日時 | 2018-09-08 15:22:52 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 4,388 bytes |
コンパイル時間 | 4,156 ms |
コンパイル使用メモリ | 80,136 KB |
実行使用メモリ | 55,540 KB |
最終ジャッジ日時 | 2023-08-22 10:36:32 |
合計ジャッジ時間 | 44,721 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge14 |
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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 | 69 ms
51,112 KB |
testcase_01 | AC | 70 ms
50,940 KB |
testcase_02 | AC | 70 ms
51,008 KB |
testcase_03 | AC | 69 ms
50,828 KB |
testcase_04 | AC | 68 ms
51,100 KB |
testcase_05 | AC | 70 ms
50,752 KB |
testcase_06 | AC | 70 ms
50,860 KB |
testcase_07 | AC | 70 ms
51,032 KB |
testcase_08 | AC | 70 ms
50,980 KB |
testcase_09 | AC | 70 ms
51,064 KB |
testcase_10 | AC | 70 ms
50,948 KB |
testcase_11 | AC | 69 ms
50,848 KB |
testcase_12 | AC | 69 ms
51,036 KB |
testcase_13 | AC | 69 ms
50,804 KB |
testcase_14 | AC | 70 ms
50,784 KB |
testcase_15 | AC | 69 ms
50,740 KB |
testcase_16 | AC | 71 ms
50,992 KB |
testcase_17 | AC | 69 ms
51,080 KB |
testcase_18 | AC | 69 ms
50,748 KB |
testcase_19 | AC | 69 ms
50,728 KB |
testcase_20 | AC | 72 ms
51,312 KB |
testcase_21 | AC | 96 ms
53,428 KB |
testcase_22 | AC | 98 ms
53,696 KB |
testcase_23 | AC | 71 ms
50,812 KB |
testcase_24 | AC | 70 ms
50,800 KB |
testcase_25 | AC | 102 ms
52,652 KB |
testcase_26 | AC | 93 ms
52,860 KB |
testcase_27 | AC | 87 ms
52,968 KB |
testcase_28 | AC | 87 ms
52,968 KB |
testcase_29 | AC | 91 ms
52,900 KB |
testcase_30 | AC | 89 ms
52,900 KB |
testcase_31 | AC | 91 ms
52,652 KB |
testcase_32 | AC | 94 ms
52,856 KB |
testcase_33 | AC | 95 ms
52,660 KB |
testcase_34 | AC | 95 ms
52,840 KB |
testcase_35 | AC | 92 ms
52,860 KB |
testcase_36 | AC | 91 ms
52,868 KB |
testcase_37 | AC | 71 ms
51,020 KB |
testcase_38 | AC | 70 ms
50,808 KB |
testcase_39 | AC | 93 ms
51,764 KB |
testcase_40 | AC | 91 ms
50,844 KB |
testcase_41 | AC | 90 ms
52,912 KB |
testcase_42 | AC | 90 ms
52,984 KB |
testcase_43 | AC | 91 ms
52,720 KB |
testcase_44 | AC | 91 ms
52,968 KB |
testcase_45 | AC | 88 ms
52,864 KB |
testcase_46 | AC | 88 ms
52,824 KB |
testcase_47 | AC | 89 ms
53,312 KB |
testcase_48 | AC | 103 ms
52,852 KB |
testcase_49 | AC | 100 ms
52,848 KB |
testcase_50 | AC | 97 ms
53,284 KB |
testcase_51 | AC | 98 ms
53,272 KB |
testcase_52 | AC | 88 ms
52,876 KB |
testcase_53 | AC | 131 ms
53,104 KB |
testcase_54 | AC | 1,090 ms
54,748 KB |
testcase_55 | AC | 1,090 ms
53,272 KB |
testcase_56 | AC | 1,087 ms
54,904 KB |
testcase_57 | AC | 257 ms
53,128 KB |
testcase_58 | AC | 247 ms
52,832 KB |
testcase_59 | AC | 136 ms
52,684 KB |
testcase_60 | AC | 343 ms
52,748 KB |
testcase_61 | AC | 347 ms
52,876 KB |
testcase_62 | AC | 1,435 ms
55,044 KB |
testcase_63 | AC | 616 ms
53,092 KB |
testcase_64 | AC | 443 ms
53,248 KB |
testcase_65 | AC | 430 ms
52,884 KB |
testcase_66 | AC | 69 ms
50,816 KB |
testcase_67 | AC | 69 ms
50,808 KB |
testcase_68 | AC | 1,246 ms
54,704 KB |
testcase_69 | AC | 1,242 ms
54,876 KB |
testcase_70 | AC | 1,108 ms
55,012 KB |
testcase_71 | AC | 1,110 ms
55,200 KB |
testcase_72 | AC | 372 ms
53,344 KB |
testcase_73 | AC | 1,544 ms
54,952 KB |
testcase_74 | AC | 2,355 ms
55,412 KB |
testcase_75 | AC | 111 ms
53,712 KB |
testcase_76 | AC | 1,211 ms
54,772 KB |
testcase_77 | AC | 183 ms
53,380 KB |
testcase_78 | AC | 1,825 ms
55,108 KB |
testcase_79 | AC | 1,265 ms
54,900 KB |
testcase_80 | AC | 1,609 ms
54,872 KB |
testcase_81 | AC | 691 ms
55,540 KB |
testcase_82 | AC | 78 ms
52,428 KB |
testcase_83 | AC | 258 ms
53,220 KB |
testcase_84 | AC | 282 ms
52,856 KB |
testcase_85 | AC | 941 ms
55,328 KB |
testcase_86 | AC | 1,664 ms
53,384 KB |
testcase_87 | TLE | - |
testcase_88 | TLE | - |
ソースコード
import java.util.Arrays; public class Main { private static void solve() { int n = ni(); int[] primes = sieveEratosthenes(3 * n); boolean[] isPrime = new boolean[3 * n + 1]; for (int p : primes) { isPrime[p] = true; } long[] cnt = new long[3 * n]; long ret = 0; for (int i = 2; primes[i] <= n; i ++) { int c = primes[i]; int b = primes[i - 1]; for (int j = 0; primes[j] < primes[i - 1]; j ++) { int a = primes[j]; cnt[b + a] ++; } for (int j = 0; j <= 2*c ; j++) { if (isPrime[c + j] && cnt[j] > 0) { ret += cnt[j]; } } } System.out.println(ret); } public static int[] sieveEratosthenes(int n) { if(n <= 32){ int[] primes = {2,3,5,7,11,13,17,19,23,29,31}; for(int i = 0;i < primes.length;i++){ if(n < primes[i]){ return Arrays.copyOf(primes, i); } } return primes; } int u = n+32; double lu = Math.log(u); int[] ret = new int[(int)(u/lu+u/lu/lu*1.5)]; ret[0] = 2; int pos = 1; int[] isnp = new int[(n+1)/32/2+1]; int sup = (n+1)/32/2+1; int[] tprimes = {3,5,7,11,13,17,19,23,29,31}; for(int tp : tprimes){ ret[pos++] = tp; int[] ptn = new int[tp]; for(int i = (tp-3)/2;i < tp<<5;i+=tp)ptn[i>>5] |= 1<<i; for(int j = 0;j < sup;j += tp){ for(int i = 0;i < tp && i+j < sup;i++){ isnp[j+i] |= ptn[i]; } } } // 3,5,7 // 2x+3=n int[] magic = {0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14}; int h = n/2; for(int i = 0;i < sup;i++){ for(int j = ~isnp[i];j != 0;j &= j-1){ int pp = i<<5|magic[(j&-j)*0x076be629>>>27]; int p = 2*pp+3; if(p > n)break; ret[pos++] = p; if((long)p*p > n)continue; for(int q = (p*p-3)/2;q <= h;q += p)isnp[q>>5] |= 1<<q; } } return Arrays.copyOf(ret, pos); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }