結果

問題 No.854 公平なりんご分配
コンテスト
ユーザー ziita
提出日時 2019-07-26 22:08:43
言語 Java
(openjdk 23)
結果
WA  
実行時間 -
コード長 5,562 bytes
コンパイル時間 2,507 ms
コンパイル使用メモリ 85,164 KB
実行使用メモリ 763,796 KB
最終ジャッジ日時 2024-07-02 07:28:10
合計ジャッジ時間 26,021 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 2
other AC * 1 WA * 19 RE * 55 MLE * 17
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.*;
import java.util.*;
import java.math.*;
// import java.awt.Point;
 
public class Main {
    InputStream is;
    PrintWriter out;
    String INPUT = "";
 
    // static int mod = 1_000_000_007;
    int mod = 998244353;
    // long inf = Long.MAX_VALUE/2;
    int inf = Integer.MAX_VALUE/2;

    void solve(){
        int n = ni();
        int[] a = new int[n];
        for(int i = 0; i < n; i++){
            a[i] = ni();
        }
        int[] lpf = enumLowestPrimeFactors(2000);
        int lpfl = lpf.length;
        int[][] cum = new int[lpfl][n+1];
        for(int i = 0; i < n; i++){
            int[] ret = factorFastE(a[i],lpf);
            for(int j = 0; j < ret.length; j++){
                cum[i+1][j] = cum[i][j] + ret[j];
            }
        }
        int q = ni();
        outer:
        for(int i = 0; i < q; i++){
            int p = ni();
            int l = ni()-1;
            int r = ni()-1;
            int[] tmp1 = factorFastE(p,lpf);
            for(int j = 0; j < tmp1.length; j++){
                int s = tmp1[j];
                int t = cum[r+1][j] - cum[l][j];
                if(s>t){
                    out.println("NO");
                    continue outer;
                }
            }      
            out.println("Yes");      
        }
    }

        //それぞれの素因数の数を返す
    public static int[] factorFastE(int n, int[] lpf)
    {
        int[] f = new int[9];
        int q = 0;
        int last = -1;
        while(lpf[n] > 0){
            int p = lpf[n];
            if(q == 0 || p != last){
                f[q++] = 1;
                last = p;
            }else{
                f[q-1]++;
            }
            n /= p;
        }
        if(n > 1){
            // big prime
            return new int[]{1};
        }
        return Arrays.copyOf(f, q);
    }
    

    //nに含まれる最小の素因数を返す
    public static int[] enumLowestPrimeFactors(int n) {
        int tot = 0;
        int[] lpf = new int[n + 1];
        int u = n + 32;
        double lu = Math.log(u);
        int[] primes = new int[(int) (u / lu + u / lu / lu * 1.5)];
        for (int i = 2; i <= n; i++)
            lpf[i] = i;
        for (int p = 2; p <= n; p++) {
            if (lpf[p] == p)
                primes[tot++] = p;
            int tmp;
            for (int i = 0; i < tot && primes[i] <= lpf[p] && (tmp = primes[i] * p) <= n; i++) {
                lpf[tmp] = primes[i];
            }
        }
        return lpf;
    }

    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");
    }
    
    public static void main(String[] args) throws Exception { new Main().run(); }
    
    private byte[] inbuf = new byte[1024];
    private 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) && 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 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[] na(int n)
    {
        int[] a = new int[n];
        for(int i = 0;i < n;i++)a[i] = ni();
        return a;
    }
    
    private int ni()
    {
        int num = 0, 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 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)); }
 
}
0