結果
問題 | No.2479 Sum of Squares |
ユーザー | tenten |
提出日時 | 2023-09-25 13:34:32 |
言語 | Java21 (openjdk 21) |
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 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 238 ms
42,612 KB |
testcase_01 | AC | 239 ms
42,476 KB |
testcase_02 | AC | 236 ms
41,856 KB |
testcase_03 | AC | 241 ms
42,700 KB |
testcase_04 | AC | 235 ms
42,700 KB |
testcase_05 | AC | 250 ms
42,888 KB |
testcase_06 | AC | 263 ms
42,980 KB |
testcase_07 | AC | 246 ms
42,852 KB |
testcase_08 | AC | 240 ms
42,700 KB |
testcase_09 | AC | 238 ms
41,724 KB |
testcase_10 | AC | 246 ms
42,852 KB |
testcase_11 | AC | 248 ms
42,556 KB |
testcase_12 | AC | 239 ms
42,572 KB |
testcase_13 | AC | 258 ms
42,508 KB |
testcase_14 | AC | 236 ms
42,136 KB |
testcase_15 | AC | 238 ms
41,880 KB |
testcase_16 | AC | 240 ms
42,576 KB |
testcase_17 | AC | 236 ms
42,692 KB |
testcase_18 | AC | 246 ms
42,712 KB |
testcase_19 | AC | 234 ms
42,604 KB |
testcase_20 | AC | 238 ms
42,560 KB |
testcase_21 | AC | 237 ms
42,852 KB |
testcase_22 | AC | 248 ms
42,656 KB |
testcase_23 | AC | 236 ms
41,748 KB |
testcase_24 | AC | 247 ms
42,860 KB |
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(); } }