結果
問題 | No.515 典型LCP |
ユーザー | 37zigen |
提出日時 | 2017-05-06 01:42:56 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,122 bytes |
コンパイル時間 | 3,842 ms |
コンパイル使用メモリ | 78,856 KB |
実行使用メモリ | 64,460 KB |
最終ジャッジ日時 | 2024-09-14 10:12:59 |
合計ジャッジ時間 | 16,864 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | TLE | - |
testcase_01 | TLE | - |
testcase_02 | AC | 899 ms
42,292 KB |
testcase_03 | AC | 56 ms
36,364 KB |
testcase_04 | AC | 55 ms
36,460 KB |
testcase_05 | AC | 419 ms
41,704 KB |
testcase_06 | AC | 580 ms
41,776 KB |
testcase_07 | AC | 477 ms
41,760 KB |
testcase_08 | AC | 607 ms
41,772 KB |
testcase_09 | AC | 663 ms
41,828 KB |
testcase_10 | AC | 865 ms
42,404 KB |
testcase_11 | AC | 856 ms
42,188 KB |
testcase_12 | AC | 869 ms
41,996 KB |
testcase_13 | AC | 568 ms
43,872 KB |
testcase_14 | AC | 205 ms
43,984 KB |
testcase_15 | AC | 308 ms
43,496 KB |
testcase_16 | AC | 308 ms
43,684 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.NoSuchElementException; class Main { int N, M; int[] X, Y; public static void main(String[] args) { new Main().run(); } void run() { Scanner sc = new Scanner(); long N = sc.nextLong(); class S implements Comparable<S> { int idx; String s; public S(int idx, String s) { this.idx = idx; this.s = s; } public int compareTo(S o) { return s.compareTo(o.s); }; } S[] s = new S[(int) N]; Seg seg = new Seg((int) N);// seg[i]=s[i],s[i+1]のlcpの長さ Integer[] ord = new Integer[(int) N]; for (int i = 0; i < N; ++i) { s[i] = new S(i, sc.next()); } Arrays.sort(s); int[] rev = new int[(int) N]; for (int i = 0; i < N; ++i) { rev[s[i].idx] = i; } for (int i = 0; i + 1 < N; ++i) { int len = 0; while (len < Math.min(s[i].s.length(), s[i + 1].s.length()) && s[i].s.charAt(len) == s[i + 1].s.charAt(len)) { ++len; } seg.setVal(i, len); } seg.init(); long M = sc.nextLong(); long x = sc.nextLong(); long d = sc.nextLong(); long ans = 0; for (int k = 0; k < M; ++k) { int i = (int) (x / (N - 1)) + 1; int j = (int) (x % (N - 1)) + 1; if (i > j) { int tmp = i; i = j; j = tmp; } else { j = j + 1; } x = (x + d) % (N * (N - 1)); --i; --j; if (rev[i] > rev[j]) { int tmp = i; i = j; j = tmp; } ans += seg.query(rev[i], rev[j]); } System.out.println(ans); } class Seg { int n; int[] v; public Seg(int n_) { n = 1; while (n < n_) { n *= 2; } v = new int[2 * n - 1]; Arrays.fill(v, Integer.MAX_VALUE / 16); } void init() { for (int i = n - 2; i >= 0; --i) { v[i] = Math.min(v[2 * i + 1], v[2 * i + 2]); } } void setVal(int k, int val) { k += n - 1; v[k] = val; while (k > 0) { k = (k - 1) / 2; v[k] = Math.min(v[2 * k + 1], v[2 * k + 2]); } } int query(int a, int b) { return query(a, b, 0, n, 0); } int query(int a, int b, int l, int r, int k) { if (r <= a || b <= l) { return Integer.MAX_VALUE / 16; } else if (a <= l && r <= b) { return v[k]; } else { int vl = query(a, b, l, (l + r) / 2, 2 * k + 1); int vr = query(a, b, (l + r) / 2, r, 2 * k + 2); return Math.min(vl, vr); } } } class Scanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; 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 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(); } } } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } }