結果
| 問題 | No.2220 Range Insert & Point Mex |
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-07-06 11:35:29 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 914 ms / 2,000 ms |
| コード長 | 3,590 bytes |
| 記録 | |
| コンパイル時間 | 2,739 ms |
| コンパイル使用メモリ | 96,832 KB |
| 実行使用メモリ | 75,384 KB |
| 最終ジャッジ日時 | 2024-07-20 06:52:53 |
| 合計ジャッジ時間 | 23,739 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 36 |
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 n = sc.nextInt();
int[] lefts = new int[n];
int[] rights = new int[n];
int[] values = new int[n];
PriorityQueue<Path> stock = new PriorityQueue<>();
for (int i = 0; i < n; i++) {
lefts[i] = sc.nextInt();
rights[i] = sc.nextInt();
values[i] = sc.nextInt();
stock.add(new Path(i, lefts[i]));
}
PriorityQueue<Path> inQueue = new PriorityQueue<>();
HashMap<Integer, Integer> counts = new HashMap<>();
TreeSet<Integer> mex = new TreeSet<>();
for (int i = 0; i <= n; i++) {
mex.add(i);
}
int q = sc.nextInt();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < q; i++) {
int x = sc.nextInt();
while (stock.size() > 0 && stock.peek().value <= x) {
Path p = stock.poll();
int v = values[p.idx];
if (v > n) {
continue;
}
inQueue.add(new Path(p.idx, rights[p.idx]));
if (mex.contains(v)) {
mex.remove(v);
counts.put(v, 1);
} else {
counts.put(v, counts.get(v) + 1);
}
}
while (inQueue.size() > 0 && inQueue.peek().value < x) {
Path p = inQueue.poll();
int v = values[p.idx];
if (counts.get(v) == 1) {
counts.remove(v);
mex.add(v);
} else {
counts.put(v, counts.get(v) - 1);
}
}
sb.append(mex.first()).append("\n");
}
System.out.print(sb);
}
static class Path implements Comparable<Path> {
int idx;
int value;
public Path(int idx, int value) {
this.idx = idx;
this.value = value;
}
public int compareTo(Path another) {
return value - another.value;
}
public String toString() {
return idx + ":" + value;
}
}
}
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