結果
問題 | No.443 GCD of Permutation |
ユーザー | arukuka |
提出日時 | 2016-11-12 01:08:22 |
言語 | Java21 (openjdk 21) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 7,516 bytes |
コンパイル時間 | 3,455 ms |
コンパイル使用メモリ | 83,500 KB |
実行使用メモリ | 63,028 KB |
最終ジャッジ日時 | 2024-11-25 10:47:19 |
合計ジャッジ時間 | 11,038 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 133 ms
54,336 KB |
testcase_01 | AC | 128 ms
54,288 KB |
testcase_02 | AC | 131 ms
54,252 KB |
testcase_03 | AC | 132 ms
54,128 KB |
testcase_04 | WA | - |
testcase_05 | AC | 130 ms
54,100 KB |
testcase_06 | AC | 134 ms
53,560 KB |
testcase_07 | AC | 144 ms
54,012 KB |
testcase_08 | AC | 132 ms
53,880 KB |
testcase_09 | AC | 131 ms
53,996 KB |
testcase_10 | AC | 114 ms
52,700 KB |
testcase_11 | AC | 131 ms
54,544 KB |
testcase_12 | AC | 132 ms
54,348 KB |
testcase_13 | AC | 128 ms
53,860 KB |
testcase_14 | AC | 160 ms
53,936 KB |
testcase_15 | AC | 262 ms
55,160 KB |
testcase_16 | AC | 201 ms
54,340 KB |
testcase_17 | AC | 214 ms
54,712 KB |
testcase_18 | AC | 461 ms
58,232 KB |
testcase_19 | AC | 221 ms
54,704 KB |
testcase_20 | AC | 453 ms
58,168 KB |
testcase_21 | AC | 260 ms
54,828 KB |
testcase_22 | AC | 133 ms
53,904 KB |
testcase_23 | WA | - |
testcase_24 | AC | 132 ms
54,328 KB |
testcase_25 | AC | 363 ms
57,944 KB |
testcase_26 | AC | 329 ms
58,008 KB |
testcase_27 | AC | 346 ms
57,300 KB |
testcase_28 | AC | 288 ms
56,568 KB |
testcase_29 | AC | 340 ms
57,972 KB |
testcase_30 | AC | 365 ms
57,964 KB |
testcase_31 | AC | 606 ms
63,028 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.math.BigInteger; import java.util.*; import java.util.function.BiFunction; import java.util.function.Function; import java.util.function.Supplier; public class Main { String ch(ArrayList<Character> l) { StringBuilder sb = new StringBuilder(); for (char c : l) { sb.append(c); } return sb.toString(); } void run() { char[] n = sc.next().toCharArray(); ArrayList<Character> l = new ArrayList<>(); HashSet<Character> set = new HashSet<>(); for (char c : n) { l.add(c); set.add(c); } if (set.size() == 1) { System.out.println(new String(n)); return; } if (n.length == 2) { BigInteger a = new BigInteger(new String(n)); char tmp = n[0]; n[0] = n[1]; n[1] = tmp; BigInteger b = new BigInteger(new String(n)); System.out.println(a.gcd(b)); return; } ArrayList<BigInteger> bl = new ArrayList<>(); TreeSet<String> set2 = new TreeSet<>(); for (; ; ) { ArrayList<Character> A = new ArrayList<>(l); Collections.shuffle(A); if (set2.contains(ch(A))) { continue; } set2.add(ch(A)); bl.add(new BigInteger(ch(A))); if (bl.size() >= 3) { break; } } Collections.sort(bl); BigInteger a = bl.get(0); BigInteger b = bl.get(1); BigInteger c = bl.get(2); debug(a, b, c); BigInteger ba = b.subtract(a); BigInteger cb = c.subtract(b); Arrays.sort(n); Collections.sort(l, Comparator.reverseOrder()); BigInteger d = new BigInteger(new String(n)); BigInteger e = new BigInteger(ch(l)); System.out.println(ba.gcd(cb).gcd(d).gcd(e)); } Scanner sc = new Scanner(System.in); public static void main(String[] args) { new Main().run(); } int ni() { return Integer.parseInt(sc.next()); } void debug(Object... os) { System.err.println(Arrays.deepToString(os)); } class BIT<T> { int n; ArrayList<T> bit; BiFunction<T, T, T> bif; /** * 1-indexed なBinary Indexed Treeを構築する * * @param n 容量 * @param bif 適用させる関数 * @param sup 初期値 */ BIT(int n, BiFunction<T, T, T> bif, Supplier<T> sup) { this.n = n; bit = new ArrayList<>(n + 1); for (int i = 0; i < n + 1; ++i) { bit.add(sup.get()); } this.bif = bif; } /** * iの位置の値をvで更新する * * @param i index * @param v 新しい値 */ void update(int i, T v) { for (int x = i; x <= n; x += x & -x) { bit.set(x, bif.apply(bit.get(x), v)); } } /** * クエリー * * @param defaultValue 初期値 * @param i index * @return [1, i]までfを適用した結果 */ T reduce(T defaultValue, int i) { T ret = defaultValue; for (int x = i; x > 0; x -= x & -x) { ret = bif.apply(ret, bit.get(x)); } return ret; } } long MOD = 1_000_000_007; /** * 繰り返し2乗法を用いたべき乗の実装 * * @return a^r (mod 1,000,000,007) */ long pow(long a, long r) { long sum = 1; while (r > 0) { if ((r & 1) == 1) { sum *= a; sum %= MOD; } a *= a; a %= MOD; r >>= 1; } return sum; } /** * 組み合わせ * O(n) * * @return {}_nC_r */ long C(int n, int r) { if (n < r) { return 0; } long sum = 1; for (int i = n; 0 < i; --i) { sum *= i; sum %= MOD; } long s = 1; for (int i = r; 0 < i; --i) { s *= i; s %= MOD; } sum *= pow(s, MOD - 2); sum %= MOD; long t = 1; for (int i = n - r; 0 < i; --i) { t *= i; t %= MOD; } sum *= pow(t, MOD - 2); sum %= MOD; return sum; } double GOLDEN_RATIO = (1.0 + Math.sqrt(5)) / 2.0; /** * 黄金分割探索 * * @param left 下限 * @param right 上限 * @param f 探索する関数 * @param comp 上に凸な関数を探索するときは、Comparator.comparingDouble(Double::doubleValue) * 下に凸な関数を探索するときは、Comparator.comparingDouble(Double::doubleValue).reversed() * @return 極値の座標x */ double goldenSectionSearch(double left, double right, Function<Double, Double> f, Comparator<Double> comp) { double c1 = divideInternally(left, right, 1, GOLDEN_RATIO); double c2 = divideInternally(left, right, GOLDEN_RATIO, 1); double d1 = f.apply(c1); double d2 = f.apply(c2); while (right - left > 1e-9) { if (comp.compare(d1, d2) > 0) { right = c2; c2 = c1; d2 = d1; c1 = divideInternally(left, right, 1, GOLDEN_RATIO); d1 = f.apply(c1); } else { left = c1; c1 = c2; d1 = d2; c2 = divideInternally(left, right, GOLDEN_RATIO, 1); d2 = f.apply(c2); } } return right; } /** * [a,b]をm:nに内分する点を返す */ double divideInternally(double a, double b, double m, double n) { return (n * a + m * b) / (m + n); } long gcd(long a, long b) { if (b == 0) { return a; } return gcd(b, a % b); } int gcd(int a, int b) { if (b == 0) { return a; } return gcd(b, a % b); } long lcd(long a, long b) { return (a / gcd(a, b)) * b; } int lcd(int a, int b) { return (a / gcd(a, b)) * b; } /** * http://qiita.com/p_shiki37/items/65c18f88f4d24b2c528b */ static class FastScanner { private final InputStream in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; public FastScanner(InputStream in) { this.in = in; } private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1; } private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } private void skipUnprintable() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; } public boolean hasNext() { skipUnprintable(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } } }