結果
| 問題 | No.1898 Battle and Exchange |
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2022-04-11 14:51:18 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,588 bytes |
| 記録 | |
| コンパイル時間 | 2,876 ms |
| コンパイル使用メモリ | 82,784 KB |
| 実行使用メモリ | 91,840 KB |
| 最終ジャッジ日時 | 2024-12-15 10:48:01 |
| 合計ジャッジ時間 | 47,173 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 54 WA * 4 |
ソースコード
import java.io.*;
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
ArrayList<ArrayList<Integer>> graph = new ArrayList<>();
for (int i = 0; i < n; i++) {
graph.add(new ArrayList<>());
}
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);
}
Card[] cards = new Card[n];
for (int i = 0; i < n; i++) {
cards[i] = new Card(i, sc.nextInt(), sc.nextInt(), sc.nextInt());
}
int left = 0;
int right = Integer.MAX_VALUE / 2;
PriorityQueue<Card> queue = new PriorityQueue<>();
while (right - left > 1) {
int x = (left + right) / 2;
Card current = new Card(-1, 1, 1, x);
queue.clear();
queue.add(cards[0]);
boolean[] visited = new boolean[n];
boolean[] added = new boolean[n];
added[0] = true;
while (queue.size() > 0 && current.getSum() > queue.peek().getSum() && !visited[n - 1]) {
Card c = queue.poll();
if (visited[c.idx]) {
continue;
}
visited[c.idx] = true;
current.exchange(c);
for (int y : graph.get(c.idx)) {
if (!added[y]) {
queue.add(cards[y]);
added[y] = true;
}
}
}
if (visited[n - 1]) {
right = x;
} else {
left = x;
}
}
System.out.println("1 1 " + right);
}
static class Card implements Comparable<Card> {
int idx;
int[] values;
public Card(int idx, int a, int b, int c) {
this.idx = idx;
values = new int[]{a, b, c};
sort();
}
public void sort() {
Arrays.sort(values);
}
public int getSum() {
int sum = 0;
for (int x : values) {
sum += x;
}
return sum;
}
public int compareTo(Card another) {
return getSum() - another.getSum();
}
public void exchange(Card another) {
if (values[0] < another.values[1] && values[1] < another.values[2]) {
values[0] = another.values[1];
values[1] = another.values[2];
sort();
} else if (values[0] < another.values[2]) {
values[0] = another.values[2];
sort();
}
}
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
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 String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten