結果
| 問題 |
No.206 数の積集合を求めるクエリ
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-06-13 11:41:00 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 6,667 ms / 7,000 ms |
| コード長 | 3,502 bytes |
| コンパイル時間 | 3,066 ms |
| コンパイル使用メモリ | 90,228 KB |
| 実行使用メモリ | 63,880 KB |
| 最終ジャッジ日時 | 2024-06-13 00:02:19 |
| 合計ジャッジ時間 | 45,347 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 28 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int l = sc.nextInt();
int m = sc.nextInt();
int n = sc.nextInt();
BitSet.length = n + 1;
BitSet base = new BitSet();
for (int i = 0; i < l; i++) {
base.add(sc.nextInt());
}
BitSet target = new BitSet();
for (int i = 0; i < m; i++) {
target.add(sc.nextInt());
}
int q = sc.nextInt();
int[] ans = new int[q];
for (int i = 0; i < 60 && i < q; i++) {
for (int j = 0; j < (q + 59) / 60; j++) {
if (j * 60 + i >= q) {
break;
}
ans[j * 60 + i] = base.getCount(j, target);
}
target.shift();
}
System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
static class BitSet {
static int length;
int size;
long[] values;
static final long MASK = (1L << 60) - 1;
public BitSet() {
size = (length + 59) / 60;
values = new long[size];
}
public void add(int x) {
values[x / 60] |= (1L << (x % 60));
}
public int getCount(int diff, BitSet bs) {
int count = 0;
for (int i = 0; i + diff < size; i++) {
count += getPop(values[diff + i] & bs.values[i]);
}
return count;
}
private int getPop(long x) {
long pop = 0;
while (x > 0) {
pop += x % 2;
x >>= 1;
}
return (int)pop;
}
public void shift() {
long add = 0;
for (int i = 0; i < size; i++) {
values[i] <<= 1;
values[i] += add;
if ((values[i] & (1L << 60)) == 0) {
add = 0;
} else {
values[i] ^= (1L << 60);
add = 1;
}
}
}
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten