結果

問題 No.2210 equence Squence Seuence
ユーザー tenten
提出日時 2023-02-14 08:47:27
言語 Java
(openjdk 23)
結果
AC  
実行時間 341 ms / 2,000 ms
コード長 2,780 bytes
コンパイル時間 2,902 ms
コンパイル使用メモリ 84,132 KB
実行使用メモリ 63,124 KB
最終ジャッジ日時 2024-07-16 18:14:28
合計ジャッジ時間 9,942 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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 * 25
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 k = sc.nextInt() - 1;
int[] values = new int[n];
for (int i = 0; i < n; i++) {
values[i] = sc.nextInt();
}
boolean[] isLearger = new boolean[n];
for (int i = n - 2; i >= 0; i--) {
if (values[i] < values[i + 1]) {
isLearger[i] = true;
} else if (values[i] == values[i + 1]) {
isLearger[i] = isLearger[i + 1];
}
}
int ans = -1;
int left = 0;
int right = n - 1;
for (int i = 0; i < n - 1; i++) {
if (isLearger[i]) {
if (right == k) {
ans = i;
break;
}
right--;
} else {
if (left == k) {
ans = i;
break;
}
left++;
}
}
if (ans == -1) {
ans = n - 1;
}
StringBuilder sb = new StringBuilder();
boolean isFirst = true;
for (int i = 0; i < n; i++) {
if (i == ans) {
continue;
}
if (!isFirst) {
sb.append(" ");
}
isFirst = false;
sb.append(values[i]);
}
System.out.println(sb);
}
}
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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