結果
| 問題 |
No.2220 Range Insert & Point Mex
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-02-20 14:55:09 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 1,383 ms / 2,000 ms |
| コード長 | 3,473 bytes |
| コンパイル時間 | 5,526 ms |
| コンパイル使用メモリ | 92,452 KB |
| 実行使用メモリ | 84,512 KB |
| 最終ジャッジ日時 | 2024-07-21 13:03:31 |
| 合計ジャッジ時間 | 30,426 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| 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();
PriorityQueue<Query> queries = new PriorityQueue<>();
TreeSet<Integer> remain = new TreeSet<>();
for (int i = 0; i <= n; i++) {
remain.add(i);
}
for (int i = 0; i < n; i++) {
int left = sc.nextInt();
int right = sc.nextInt();
int value = sc.nextInt();
queries.add(new Query(0, left, value));
queries.add(new Query(2, right, value));
}
int q = sc.nextInt();
for (int i = 0; i < q; i++) {
queries.add(new Query(1, sc.nextInt(), i));
}
int[] ans = new int[q];
HashMap<Integer, Integer> counts = new HashMap<>();
while (queries.size() > 0) {
Query x = queries.poll();
if (x.type == 0) {
if (!counts.containsKey(x.value)) {
counts.put(x.value, 1);
remain.remove(x.value);
} else {
counts.put(x.value, counts.get(x.value) + 1);
}
} else if (x.type == 1) {
ans[x.value] = remain.first();
} else {
if (counts.get(x.value) == 1) {
counts.remove(x.value);
remain.add(x.value);
} else {
counts.put(x.value, counts.get(x.value) - 1);
}
}
}
System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
static class Query implements Comparable<Query> {
int type;
int idx;
int value;
public Query(int type, int idx, int value) {
this.type = type;
this.idx = idx;
this.value = value;
}
public int compareTo(Query another) {
if (idx == another.idx) {
return type - another.type;
} else {
return idx - another.idx;
}
}
}
}
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