結果
問題 | No.171 スワップ文字列(Med) |
ユーザー |
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提出日時 | 2023-04-03 17:48:33 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 59 ms / 1,000 ms |
コード長 | 3,501 bytes |
コンパイル時間 | 2,816 ms |
コンパイル使用メモリ | 85,568 KB |
実行使用メモリ | 50,556 KB |
最終ジャッジ日時 | 2024-09-25 00:48:47 |
合計ジャッジ時間 | 4,414 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 10 |
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[] counts = new int[26];int total = 0;for (char c : sc.next().toCharArray()) {counts[c - 'A']++;total++;}HashMap<Integer, Integer> all = getFact(total);for (int x : counts) {if (x < 2) {continue;}HashMap<Integer, Integer> part = getFact(x);for (int y : part.keySet()) {all.put(y, all.get(y) - part.get(y));}}int ans = 1;for (int x : all.keySet()) {ans *= pow(x, all.get(x));ans %= 573;}System.out.println((ans - 1 + 573) % 573);}static HashMap<Integer, Integer> getFact(int x) {HashMap<Integer, Integer> ans = new HashMap<>();for (int i = 2; i <= x; i++) {int y = i;for (int j = 2; j <= Math.sqrt(y); j++) {while (y % j == 0) {ans.put(j, ans.getOrDefault(j, 0) + 1);y /= j;}}if (y > 1) {ans.put(y, ans.getOrDefault(y, 0) + 1);}}return ans;}static int pow(int x, int p) {if (p == 0) {return 1;} else if (p % 2 == 0) {return pow(x * x % 573, p / 2);} else {return pow(x, p - 1) * x % 573;}}static int check(int idx, ArrayList<Integer> list) {if (idx < 0) {return 0;}ArrayList<Integer> ev = new ArrayList<>();ArrayList<Integer> od = new ArrayList<>();for (int x : list) {if ((x & (1 << idx)) == 0) {ev.add(x);} else {od.add(x);}}if (ev.size() == 0) {return check(idx - 1, od);} else if (od.size() == 0) {return check(idx - 1, ev);} else {return (1 << idx) + Math.min(check(idx - 1, ev), check(idx - 1, od));}}}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();}}