結果

問題 No.308 素数は通れません
ユーザー holegumaholeguma
提出日時 2015-12-01 21:06:12
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,679 bytes
コンパイル時間 2,435 ms
コンパイル使用メモリ 84,232 KB
実行使用メモリ 51,332 KB
最終ジャッジ日時 2024-09-14 06:21:11
合計ジャッジ時間 10,441 ms
ジャッジサーバーID
(参考情報)
judge2 / judge6
このコードへのチャレンジ
(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 53 ms
50,008 KB
testcase_01 AC 53 ms
49,728 KB
testcase_02 AC 52 ms
50,140 KB
testcase_03 AC 52 ms
50,008 KB
testcase_04 AC 53 ms
50,172 KB
testcase_05 AC 52 ms
50,128 KB
testcase_06 AC 54 ms
50,228 KB
testcase_07 AC 53 ms
50,024 KB
testcase_08 AC 52 ms
50,064 KB
testcase_09 AC 53 ms
50,024 KB
testcase_10 AC 53 ms
50,032 KB
testcase_11 AC 54 ms
49,996 KB
testcase_12 AC 53 ms
50,000 KB
testcase_13 AC 54 ms
50,152 KB
testcase_14 AC 53 ms
49,988 KB
testcase_15 AC 53 ms
50,136 KB
testcase_16 AC 53 ms
50,088 KB
testcase_17 AC 52 ms
49,832 KB
testcase_18 AC 53 ms
50,424 KB
testcase_19 AC 53 ms
50,312 KB
testcase_20 AC 55 ms
50,336 KB
testcase_21 AC 54 ms
49,724 KB
testcase_22 AC 53 ms
50,092 KB
testcase_23 AC 55 ms
49,980 KB
testcase_24 AC 54 ms
50,000 KB
testcase_25 AC 54 ms
50,464 KB
testcase_26 AC 52 ms
50,128 KB
testcase_27 AC 57 ms
49,992 KB
testcase_28 AC 55 ms
49,844 KB
testcase_29 AC 53 ms
50,004 KB
testcase_30 AC 54 ms
50,004 KB
testcase_31 AC 56 ms
49,740 KB
testcase_32 AC 56 ms
50,288 KB
testcase_33 AC 53 ms
50,116 KB
testcase_34 AC 53 ms
49,636 KB
testcase_35 AC 52 ms
49,852 KB
testcase_36 AC 53 ms
49,760 KB
testcase_37 AC 54 ms
50,000 KB
testcase_38 AC 54 ms
50,160 KB
testcase_39 AC 52 ms
49,932 KB
testcase_40 AC 53 ms
49,948 KB
testcase_41 AC 54 ms
50,016 KB
testcase_42 AC 54 ms
50,032 KB
testcase_43 AC 54 ms
50,020 KB
testcase_44 AC 53 ms
49,640 KB
testcase_45 AC 53 ms
50,004 KB
testcase_46 AC 53 ms
49,920 KB
testcase_47 AC 54 ms
50,060 KB
testcase_48 AC 53 ms
49,972 KB
testcase_49 AC 53 ms
50,128 KB
testcase_50 AC 53 ms
49,868 KB
testcase_51 AC 55 ms
50,048 KB
testcase_52 AC 52 ms
50,176 KB
testcase_53 AC 53 ms
50,100 KB
testcase_54 AC 53 ms
50,044 KB
testcase_55 AC 54 ms
50,144 KB
testcase_56 AC 57 ms
50,132 KB
testcase_57 AC 53 ms
50,076 KB
testcase_58 AC 53 ms
50,156 KB
testcase_59 AC 53 ms
50,056 KB
testcase_60 AC 53 ms
49,904 KB
testcase_61 AC 53 ms
50,256 KB
testcase_62 AC 54 ms
50,096 KB
testcase_63 AC 55 ms
49,740 KB
testcase_64 AC 54 ms
50,040 KB
testcase_65 AC 53 ms
50,048 KB
testcase_66 AC 53 ms
50,356 KB
testcase_67 AC 53 ms
50,004 KB
testcase_68 AC 54 ms
50,160 KB
testcase_69 AC 53 ms
50,060 KB
testcase_70 AC 53 ms
50,048 KB
testcase_71 AC 53 ms
49,980 KB
testcase_72 AC 53 ms
50,064 KB
testcase_73 AC 52 ms
49,996 KB
testcase_74 AC 53 ms
50,128 KB
testcase_75 AC 52 ms
49,728 KB
testcase_76 AC 61 ms
50,300 KB
testcase_77 AC 54 ms
49,852 KB
testcase_78 AC 55 ms
50,156 KB
testcase_79 AC 55 ms
49,760 KB
testcase_80 AC 68 ms
50,688 KB
testcase_81 AC 78 ms
50,868 KB
testcase_82 AC 54 ms
49,840 KB
testcase_83 AC 53 ms
50,124 KB
testcase_84 AC 89 ms
51,332 KB
testcase_85 AC 53 ms
50,056 KB
testcase_86 AC 74 ms
51,008 KB
testcase_87 AC 82 ms
51,276 KB
testcase_88 AC 53 ms
50,148 KB
testcase_89 AC 53 ms
49,908 KB
testcase_90 AC 88 ms
51,248 KB
testcase_91 AC 55 ms
49,728 KB
testcase_92 AC 53 ms
49,732 KB
testcase_93 AC 52 ms
50,072 KB
testcase_94 AC 53 ms
49,712 KB
testcase_95 AC 54 ms
49,996 KB
testcase_96 AC 55 ms
50,328 KB
testcase_97 AC 53 ms
50,040 KB
testcase_98 AC 53 ms
50,024 KB
testcase_99 AC 55 ms
50,252 KB
testcase_100 AC 54 ms
50,244 KB
testcase_101 WA -
testcase_102 AC 53 ms
50,008 KB
testcase_103 AC 53 ms
50,000 KB
testcase_104 AC 54 ms
49,980 KB
testcase_105 AC 54 ms
49,912 KB
testcase_106 AC 55 ms
50,180 KB
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ソースコード

diff #

import java.io.InputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;
import java.math.BigInteger;

public class Main{

static PrintWriter out;
static InputReader ir;

static void solve(){
 long n=ir.nextLong();
 if(n==4) out.println(3);
 else if(n==6) out.println(5);
 else if(n==8||n==9||n==10||n==15||n==16||n==22) out.println(7);
 else if(n==12) out.println(11);
 else if(n==14||n==15) out.println(13);
 else if(n==20||n==21) out.println(19);
 else if(n==24||n==25) out.println(23);
 else if(n%8==1&&BigInteger.valueOf(n-8).isProbablePrime(1000000)) out.println(14);
 else out.println(8);
}

public static boolean isPrime(long n,int k){
 if(n==2) return true;
 if(n<2||n%2==0) return false;
 long d=(n-1)>>1;
 while(d%2==0) d>>=1;
 for(int i=0;i<k;i++){
  long a=(long)(Math.random()*(n-1))+1;
  long t=d;
  long y=BigInteger.valueOf(a).modPow(BigInteger.valueOf(t),BigInteger.valueOf(n)).longValue();
  while(t!=n-1&&y!=1&&y!=n-1){
   y=BigInteger.valueOf(y).modPow(BigInteger.valueOf(2),BigInteger.valueOf(n)).longValue();
   t<<=1;
  }
  if(y!=n-1&&t%2==0) return false;
 }
 return true;
}

public static void main(String[] args) throws Exception{
 ir=new InputReader(System.in);
 out=new PrintWriter(System.out);
 solve();
 out.flush();
}

static class InputReader {
 private InputStream in;
 private byte[] buffer=new byte[1024];
 private int curbuf;
 private int lenbuf;

 public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;}
 
 public boolean hasNextByte() {
  if(curbuf>=lenbuf){
   curbuf= 0;
   try{
    lenbuf=in.read(buffer);
   }catch(IOException e) {
    throw new InputMismatchException();
   }
   if(lenbuf<=0) return false;
  }
  return true;
 }

 private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;}
 
 private boolean isSpaceChar(int c){return !(c>=33&&c<=126);}
 
 private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;}
 
 public boolean hasNext(){skip(); return hasNextByte();}
 
 public String next(){
  if(!hasNext()) throw new NoSuchElementException();
  StringBuilder sb=new StringBuilder();
  int b=readByte();
  while(!isSpaceChar(b)){
   sb.appendCodePoint(b);
   b=readByte();
  }
  return sb.toString();
 }
 
 public int nextInt() {
  if(!hasNext()) throw new NoSuchElementException();
  int c=readByte();
  while (isSpaceChar(c)) c=readByte();
  boolean minus=false;
  if (c=='-') {
   minus=true;
   c=readByte();
  }
  int res=0;
  do{
   if(c<'0'||c>'9') throw new InputMismatchException();
   res=res*10+c-'0';
   c=readByte();
  }while(!isSpaceChar(c));
  return (minus)?-res:res;
 }
 
 public long nextLong() {
  if(!hasNext()) throw new NoSuchElementException();
  int c=readByte();
  while (isSpaceChar(c)) c=readByte();
  boolean minus=false;
  if (c=='-') {
   minus=true;
   c=readByte();
  }
  long res = 0;
  do{
   if(c<'0'||c>'9') throw new InputMismatchException();
   res=res*10+c-'0';
   c=readByte();
  }while(!isSpaceChar(c));
  return (minus)?-res:res;
 }

 public double nextDouble(){return Double.parseDouble(next());}

 public BigInteger nextBigInteger(){return new BigInteger(next());}

 public int[] nextIntArray(int n){
  int[] a=new int[n];
  for(int i=0;i<n;i++) a[i]=nextInt();
  return a;
 }

 public long[] nextLongArray(int n){
  long[] a=new long[n];
  for(int i=0;i<n;i++) a[i]=nextLong();
  return a;
 }

 public char[][] nextCharMap(int n,int m){
  char[][] map=new char[n][m];
  for(int i=0;i<n;i++) map[i]=next().toCharArray();
  return map;
 }
}
}
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