結果

問題 No.2248 max(C)-min(C)
ユーザー tenten
提出日時 2023-03-20 18:45:58
言語 Java
(openjdk 23)
結果
AC  
実行時間 2,545 ms / 3,000 ms
コード長 3,448 bytes
コンパイル時間 2,560 ms
コンパイル使用メモリ 85,524 KB
実行使用メモリ 135,156 KB
最終ジャッジ日時 2024-09-26 12:17:12
合計ジャッジ時間 64,427 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 51
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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[] valuesA = new int[n];
for (int i = 0; i < n; i++) {
valuesA[i] = sc.nextInt();
}
TreeSet<Integer> mins = new TreeSet<>();
TreeSet<Unit> units = new TreeSet<>();
for (int i = 0; i < n; i++) {
int x = sc.nextInt();
mins.add(x);
mins.add(valuesA[i]);
mins.add((x + valuesA[i]) / 2);
units.add(new Unit(i, x, valuesA[i]));
}
int ans = Integer.MAX_VALUE;
boolean cont = true;
for (int x : mins) {
while (units.first().getValue() < x) {
Unit y = units.pollFirst();
if (!y.add()) {
cont = false;
break;
}
units.add(y);
}
if (!cont) {
break;
}
ans = Math.min(ans, units.last().getValue() - x);
}
System.out.println(ans);
}
static class Unit implements Comparable<Unit> {
int current;
int idx;
int[] values;
public Unit(int idx, int a, int b) {
this.idx = idx;
values = new int[]{a, b, (a + b) / 2};
Arrays.sort(values);
}
public int hashCode() {
return idx;
}
public boolean equals(Object o) {
Unit x = (Unit)o;
return idx == x.idx;
}
public int compareTo(Unit another) {
if (getValue() == another.getValue()) {
return idx - another.idx;
} else {
return getValue() - another.getValue();
}
}
public int getValue() {
return values[current];
}
public boolean add() {
if (current == 2) {
return false;
} else {
current++;
return true;
}
}
}
}
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();
}
}
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