結果
問題 | No.2479 Sum of Squares |
ユーザー |
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提出日時 | 2023-09-25 13:34:32 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 263 ms / 2,000 ms |
コード長 | 2,937 bytes |
コンパイル時間 | 2,665 ms |
コンパイル使用メモリ | 85,152 KB |
実行使用メモリ | 42,980 KB |
最終ジャッジ日時 | 2024-07-18 10:40:33 |
合計ジャッジ時間 | 10,225 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 * 22 |
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();long k = sc.nextLong();ArrayList<ArrayList<Long>> ans = new ArrayList<>();for (int i = 0; i <= 10000; i++) {ans.add(new ArrayList<>());}for (int i = 1; i <= 100; i++) {ans.get(i * i).add((long)i * i);}for (int i = 1; i <= 10000; i++) {if (ans.get(i).size() > 0) {continue;}int max = Integer.MAX_VALUE;int idx = 0;for (int j = 1; j <= i - j; j++) {if (ans.get(j).size() + ans.get(i - j).size() < max) {max = ans.get(j).size() + ans.get(i - j).size();idx = j;}}ans.get(i).addAll(ans.get(idx));ans.get(i).addAll(ans.get(i - idx));}ArrayList<Long> result = new ArrayList<>();while (k > 10000) {long x = getSqrt(k);result.add(x * x);k -= x * x;}result.addAll(ans.get((int)k));System.out.println(result.size());System.out.println(result.stream().map(x -> x.toString()).collect(Collectors.joining(" ")));}static long getSqrt(long x) {long left = 0;long right = Integer.MAX_VALUE / 2;while (right - left > 1) {long m = (left + right) / 2;if (m * m > x) {right = m;} else {left = m;}}return left;}}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();}}