結果
| 問題 |
No.2497 GCD of LCMs
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-10-12 08:48:43 |
| 言語 | Java (openjdk 23) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,751 bytes |
| コンパイル時間 | 3,472 ms |
| コンパイル使用メモリ | 88,240 KB |
| 実行使用メモリ | 46,716 KB |
| 最終ジャッジ日時 | 2024-09-14 07:48:10 |
| 合計ジャッジ時間 | 10,349 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 3 TLE * 2 -- * 9 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
static ArrayList<ArrayList<Integer>> graph = new ArrayList<>();
static ArrayList<HashMap<Integer, Integer>> counts = new ArrayList<>();
static int[] costs;
static final int MOD = 998244353;
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
for (int i = 0; i < n; i++) {
graph.add(new ArrayList<>());
counts.add(new HashMap<>());
}
HashSet<Integer> each = new HashSet<>();
for (int i = 0; i < n; i++) {
int x = sc.nextInt();
for (int j = 2; j <= Math.sqrt(x); j++) {
while (x % j == 0) {
counts.get(i).put(j, counts.get(i).getOrDefault(j, 0) + 1);
x /= j;
each.add(j);
}
}
if (x > 1) {
counts.get(i).put(x, counts.get(i).getOrDefault(x, 0) + 1);
each.add(x);
}
}
for (int i = 0; i < m; i++) {
int a = sc.nextInt() - 1;
int b = sc.nextInt() - 1;
graph.get(a).add(b);
graph.get(b).add(a);
}
long[] ans = new long[n];
Arrays.fill(ans, 1);
boolean[] used = new boolean[n];
costs = new int[n];
for (int x : each) {
Arrays.fill(costs, Integer.MAX_VALUE);
check(0, x, 0, used);
for (int i = 0; i < n; i++) {
ans[i] *= pow(x, costs[i]);
ans[i] %= MOD;
}
}
System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
static void check(int idx, int value, int current, boolean[] used) {
if (used[idx]) {
return;
}
used[idx] = true;
int save = current;
current = Math.max(current, counts.get(idx).getOrDefault(value, 0));
costs[idx] = Math.min(costs[idx], current);
for (int x : graph.get(idx)) {
check(x, value, current, used);
}
current = save;
used[idx] = false;
}
static long pow(long x, int p) {
if (p == 0) {
return 1;
} else if (p % 2 == 0) {
return pow(x * x % MOD, p / 2);
} else {
return pow(x, p - 1) * x % MOD;
}
}
}
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