結果
| 問題 | No.2139 K Consecutive Sushi |
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-07-06 08:39:44 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 615 ms / 2,000 ms |
| コード長 | 2,813 bytes |
| 記録 | |
| コンパイル時間 | 2,909 ms |
| コンパイル使用メモリ | 92,280 KB |
| 実行使用メモリ | 60,908 KB |
| 最終ジャッジ日時 | 2024-11-27 19:56:15 |
| 合計ジャッジ時間 | 13,880 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 * 31 |
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();
int k = sc.nextInt();
long total = 0;
int[] values = new int[n + 2];
for (int i = 1; i <= n; i++) {
values[i] = sc.nextInt();
total += values[i];
}
Sushi[] sushies = new Sushi[n + 2];
sushies[0] = new Sushi(0, 0);
TreeSet<Sushi> mins = new TreeSet<>();
mins.add(sushies[0]);
for (int i = 1; i <= n + 1; i++) {
sushies[i] = new Sushi(i, mins.first().value + values[i]);
mins.add(sushies[i]);
if (i - k >= 0) {
mins.remove(sushies[i - k]);
}
}
System.out.println(total - sushies[n + 1].value);
}
static class Sushi implements Comparable<Sushi> {
int idx;
long value;
public Sushi(int idx, long value) {
this.idx = idx;
this.value = value;
}
public int hashCode() {
return idx;
}
public int compareTo(Sushi another) {
if (value == another.value) {
return idx - another.idx;
} else if (value < another.value) {
return -1;
} else {
return 1;
}
}
public boolean equals(Object o) {
return hashCode() == o.hashCode();
}
}
}
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