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 22:26:54 |
| 言語 | Java (openjdk 23) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 6,748 bytes |
| コンパイル時間 | 3,170 ms |
| コンパイル使用メモリ | 90,344 KB |
| 実行使用メモリ | 228,272 KB |
| 最終ジャッジ日時 | 2024-07-02 07:51:55 |
| 合計ジャッジ時間 | 18,223 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 23 RE * 69 |
ソースコード
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[] primes = sieveEratosthenes(2000);
HashMap<Integer, Integer> map = new HashMap<>();
for(int i = 0; i < primes.length; i++){
// System.err.println(primes[i]);
map.put(primes[i],i);
}
int[][] cum = new int[n+1][primes.length];
for(int i = 0; i < n; i++){
int[][] ret = factor(a[i],primes);
for(int j = 0; j < primes.length; j++){
cum[i+1][j] = cum[i][j];
}
for(int j = 0; j < ret.length; j++){
cum[i+1][map.get(ret[j][0])] += ret[j][1];
// out.println(ret[j][0]+" "+ret[j][1]+" "+cum[i+1][map.get(ret[j][0])]);
}
}
int q = ni();
outer:
for(int i = 0; i < q; i++){
int p = ni();
int l = ni()-1;
int r = ni()-1;
int[][] tmp1 = factor(p,primes);
for(int j = 0; j < tmp1.length; j++){
int s = tmp1[j][1];
int t = cum[r+1][map.get(tmp1[j][0])] - cum[l][map.get(tmp1[j][0])];
// out.println(s+" "+t+" "+tmp1[j][0]);
if(s>t){
out.println("NO");
continue outer;
}
}
out.println("Yes");
}
}
public static int[][] factor(int n, int[] primes)
{
int[][] ret = new int[9][2];
int rp = 0;
for(int p : primes){
if(p * p > n)break;
int i;
for(i = 0;n % p == 0;n /= p, i++);
if(i > 0){
ret[rp][0] = p;
ret[rp][1] = i;
rp++;
}
}
if(n != 1){
ret[rp][0] = n;
ret[rp][1] = 1;
rp++;
}
return Arrays.copyOf(ret, rp);
}
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 & 31);
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);
}
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)); }
}