結果
| 問題 |
No.97 最大の値を求めるくえり
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2014-12-09 04:10:07 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 559 ms / 5,000 ms |
| コード長 | 3,160 bytes |
| コンパイル時間 | 3,132 ms |
| コンパイル使用メモリ | 87,800 KB |
| 実行使用メモリ | 50,160 KB |
| 最終ジャッジ日時 | 2024-06-11 18:47:05 |
| 合計ジャッジ時間 | 10,964 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 19 |
ソースコード
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 Main {
static InputStream is;
static PrintWriter out;
static String INPUT = "";
static void solve()
{
int n = ni(), Q = ni();
long[] a = new long[n];
XorShift xs = new XorShift();
for(int i = 0;i < n;i++){
a[i] = modh(xs.next());
}
if((long)n*n < 300000){
for(int i = 0;i < Q;i++){
int q = ni();
long max = -1;
for(int j = 0;j < n;j++){
long v = modh(a[j]*q);
if(v > max)max = v;
}
out.println(max);
}
}else{
boolean[] table = new boolean[100003];
for(int i = 0;i < n;i++){
table[(int)a[i]] = true;
}
int[] invs = enumInvs(100002, 100003);
for(int i = 0;i < Q;i++){
int q = ni();
if(q == 0){
out.println(0);
}else{
int iv = invs[q];
for(int j = 100002;j >= 0;j--){
if(table[(int)modh((long)j*iv)]){
out.println(j);
break;
}
}
}
}
}
}
public static int mod;
public static long M;
public static int h;
static {
mod = 100003;
long K = Integer.highestOneBit(mod)<<1;
h = Long.numberOfTrailingZeros(K)*2;
M = K*K/mod;
}
public static long modh(long a)
{
long r = a-((M*(a&mask)>>>31)+M*(a>>>31)>>>h-31)*mod;
return r < mod ? r : r-mod;
}
private static final long mask = (1L<<31)-1;
public static int[] enumInvs(int n, int mod)
{
int[] inv = new int[n+1];
inv[1] = 1;
for(int i = 2;i <= n;i++){
inv[i] = (int)modh(inv[mod%i]*(long)(mod-mod/i));
}
return inv;
}
public static class XorShift {
private long x=123456789, y=362436069, z=521288629, w=88675123;
protected long next(){
long t=(x^x<<11)&(1L<<32)-1; x=y; y=z; z=w; w=(w^w>>>19^t^t>>>8)&(1L<<32)-1;
return w;
}
}
public static void main(String[] args) throws Exception
{
long S = System.currentTimeMillis();
is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
out = new PrintWriter(System.out);
solve();
out.flush();
long G = System.currentTimeMillis();
tr(G-S+"ms");
}
private static byte[] inbuf = new byte[1024];
static int lenbuf = 0, ptrbuf = 0;
private static 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 static 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 static void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
}