結果
| 問題 |
No.2710 How many more?
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2024-04-01 17:27:27 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 763 ms / 2,000 ms |
| コード長 | 2,069 bytes |
| コンパイル時間 | 2,221 ms |
| コンパイル使用メモリ | 79,600 KB |
| 実行使用メモリ | 59,792 KB |
| 最終ジャッジ日時 | 2024-09-30 21:54:47 |
| 合計ジャッジ時間 | 12,713 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 17 |
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 {
Scanner sc = new Scanner();
int n = sc.nextInt();
int q = sc.nextInt();
int[] points = new int[n];
TreeMap<Integer, Integer> counts = new TreeMap<>();
for (int i = 0; i < n; i++) {
points[i] = sc.nextInt();
counts.put(points[i], counts.getOrDefault(points[i], 0) + 1);
}
int current = 0;
for (int x : counts.keySet()) {
current += counts.get(x);
counts.put(x, current);
}
counts.put(0, 0);
int[] lefts = new int[n];
int[] rights = new int[n];
for (int i = 0; i < n; i++) {
lefts[i] = counts.lowerEntry(points[i]).getValue();
rights[i] = counts.get(points[i]);
}
StringBuilder sb = new StringBuilder();
while (q-- > 0) {
int base = sc.nextInt() - 1;
int target = sc.nextInt() - 1;
sb.append(Math.max(0, lefts[base] - rights[target])).append("\n");
}
System.out.print(sb);
}
}
class Scanner {
BufferedReader br;
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() {
try {
br = new BufferedReader(new InputStreamReader(System.in));
} catch (Exception e) {
}
}
public int nextInt() {
return Integer.parseInt(next());
}
public long nextLong() {
return Long.parseLong(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
public String next() {
try {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
return st.nextToken();
}
}
}
tenten