結果
| 問題 | No.3085 Easy Problems |
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2025-04-07 14:30:34 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 629 ms / 2,000 ms |
| コード長 | 4,102 bytes |
| 記録 | |
| コンパイル時間 | 3,535 ms |
| コンパイル使用メモリ | 84,144 KB |
| 実行使用メモリ | 85,492 KB |
| 最終ジャッジ日時 | 2025-04-07 14:31:04 |
| 合計ジャッジ時間 | 27,702 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 31 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
FastScanner sc = new FastScanner();
int n = sc.nextInt();
PriorityQueue<Query> queue = new PriorityQueue<>();
for (int i = 0; i < n; i++) {
queue.add(new Query(0, sc.nextInt(), sc.nextInt() - 1, 0));
}
int q = sc.nextInt();
for (int i = 0; i < q; i++) {
queue.add(new Query(1, sc.nextInt(), sc.nextInt() - 1, i));
}
int[] ans = new int[q];
int total = 0;
int[] counts = new int[100000];
while (queue.size() > 0) {
Query x = queue.poll();
if (x.type == 0) {
total++;
counts[x.color]++;
} else {
ans[x.idx] = total - counts[x.color];
}
}
System.out.println(Arrays.stream(ans).mapToObj(String::valueOf).collect(Collectors.joining("\n")));
}
static class Query implements Comparable<Query> {
int type;
int value;
int color;
int idx;
public Query(int type, int value, int color, int idx) {
this.type = type;
this.value = value;
this.color = color;
this.idx = idx;
}
public int compareTo(Query another) {
return value == another.value ? type - another.type : value - another.value;
}
}
}
class FastScanner {
private DataInputStream din;
private byte[] buffer;
private int bufferPointer, bytesRead;
private static final int BUFFER_SIZE = 1 << 16; // 65,536 バイト
public FastScanner() {
din = new DataInputStream(System.in);
buffer = new byte[BUFFER_SIZE];
bufferPointer = bytesRead = 0;
}
private byte read() {
try {
if (bufferPointer == bytesRead) {
bytesRead = din.read(buffer, 0, BUFFER_SIZE);
if (bytesRead == -1) return -1;
bufferPointer = 0;
}
return buffer[bufferPointer++];
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public String next() {
byte b = read();
// 空白文字を読み飛ばす
while (isSpaceChar(b)) {
b = read();
}
StringBuilder sb = new StringBuilder();
while (!isSpaceChar(b)) {
sb.append((char) b);
b = read();
}
return sb.toString();
}
public int nextInt() {
int ret = 0;
byte c = read();
while (isSpaceChar(c)) c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10 + c - '0';
c = read();
} while (!isSpaceChar(c));
return neg ? -ret : ret;
}
public long nextLong() {
long ret = 0;
byte c = read();
while (isSpaceChar(c)) c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10L + c - '0';
c = read();
} while (!isSpaceChar(c));
return neg ? -ret : ret;
}
public double nextDouble() {
double ret = 0, div = 1;
byte c = read();
while (isSpaceChar(c)) c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10 + c - '0';
c = read();
} while (!isSpaceChar(c) && c != '.');
if (c == '.') {
while (!isSpaceChar(c = read())) {
ret += (c - '0') / (div *= 10);
}
}
return neg ? -ret : ret;
}
private boolean isSpaceChar(byte c) {
return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
}
public void close() {
try {
if (din != null) din.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
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