結果
問題 | No.3030 ミラー・ラビン素数判定法のテスト |
ユーザー | uwi |
提出日時 | 2018-03-02 17:14:06 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,034 bytes |
コンパイル時間 | 6,945 ms |
コンパイル使用メモリ | 81,024 KB |
実行使用メモリ | 55,248 KB |
最終ジャッジ日時 | 2024-11-18 16:11:30 |
合計ジャッジ時間 | 12,550 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(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 | 89 ms
38,436 KB |
testcase_01 | AC | 96 ms
38,528 KB |
testcase_02 | AC | 90 ms
38,440 KB |
testcase_03 | AC | 96 ms
38,568 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
ソースコード
package etc; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class N3030 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { for(int T = ni();T > 0;T--){ long n = nl(); out.println(n + " " + (doMillorRabin(n) ? 1 : 0)); } } public static boolean doMillorRabin(long n) { if(n <= 1)return false; // int[] P = {2, 7, 61}; // n<4759123141 int[] P = {2,3,5,7,11,13,17,19,23,29,31,37}; // n=long int s = Long.numberOfTrailingZeros(n-1); long d = n-1>>s; outer: for(int a : P){ if(a >= n)continue; long mul = a; long ad = 1; for(long e = d;e > 0;e>>>=1){ if((e&1)==1)ad = mul(ad, mul, n); mul = mul(mul, mul, n); } if(ad == 1)continue; for(int r = 0;r < s;r++){ if(ad == n-1)continue outer; ad = mul(ad, ad, n); } return false; } return true; } public static long mul(long a, long b, long mod) { a %= mod; if(a < 0)a += mod; b %= mod; if(b < 0)b += mod; long ret = 0; int x = 63-Long.numberOfLeadingZeros(b); for(;x >= 0;x--){ ret += ret; if(ret >= mod)ret -= mod; if(b<<~x<0){ ret += a; if(ret >= mod)ret -= mod; } } return ret; } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new N3030().run(); } private byte[] inbuf = new byte[1024]; public int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }