結果
問題 | No.2743 Twisted Lattice |
ユーザー |
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提出日時 | 2024-04-20 13:49:32 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 1,549 ms / 3,000 ms |
コード長 | 13,122 bytes |
コンパイル時間 | 3,200 ms |
コンパイル使用メモリ | 96,944 KB |
実行使用メモリ | 130,592 KB |
最終ジャッジ日時 | 2024-10-12 09:21:40 |
合計ジャッジ時間 | 17,154 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 8 |
ソースコード
import java.io.BufferedInputStream;import java.io.IOException;import java.io.PrintWriter;import java.util.*;import java.util.function.IntUnaryOperator;import java.util.function.LongUnaryOperator;import java.util.stream.Collectors;import java.util.stream.IntStream;import static java.lang.Math.abs;import static java.lang.Math.min;public class Main {static In in = new In();static Out out = new Out(false, false);static final long inf = 0x1fffffffffffffffL;static final int iinf = 0x3fffffff;static final double eps = 1e-9;static long mod = 998244353;void solve() {long h = in.nextLong();long w = in.nextLong();int n = in.nextInt();long[] y = new long[n];long[] x = new long[n];Map<Long, TreeSet<Long>> mp = new HashMap<>();for (int i = 0; i < n; i++) {y[i] = in.nextInt() - 1;x[i] = in.nextInt();mp.computeIfAbsent(x[i], key -> new TreeSet<>()).add(y[i]);}Integer[] ord = new Integer[n];Arrays.setAll(ord, i -> i);Arrays.sort(ord, Comparator.comparingLong(i -> x[i]));long[] ans = new long[n];Arrays.fill(ans, inf);long mv = inf;for (int ii = 0; ii < n; ii++) {int i = ord[ii];TreeSet<Long> x0 = mp.get(x[i] - 1);TreeSet<Long> x1 = mp.get(x[i]);TreeSet<Long> x2 = mp.get(x[i] + 1);if (x0 != null) ans[i] = Math.min(ans[i], near(x0, y[i]));if (x2 != null) ans[i] = Math.min(ans[i], near(x2, y[i]));Long l0 = x1.lower(y[i]);Long h0 = x1.higher(y[i]);if (l0 != null) ans[i] = Math.min(ans[i], abs(l0 - y[i]));if (h0 != null) ans[i] = Math.min(ans[i], abs(h0 - y[i]));ans[i] = Math.min(ans[i], x[i] + mv + y[i]);if (mv > y[i] - x[i]) {mv = y[i] - x[i];}}mv = inf;for (int ii = n - 1; ii >= 0; ii--) {int i = ord[ii];ans[i] = Math.min(ans[i], -x[i] + mv + y[i]);if (mv > y[i] + x[i]) {mv = y[i] + x[i];}}for (int i = 0; i < n; i++) {out.println(ans[i]);}}long near(TreeSet<Long> ts, long y) {Long l = ts.floor(y);Long h = ts.higher(y);long ll = l == null ? inf : abs(y - l) + min(y, l) + 1;long hh = h == null ? inf : abs(y - h) + min(y, h) + 1;return min(ll, hh);}public static void main(String... args) {new Main().solve();out.flush();}}class LiChaoTree {private final long low;private final long high;private Node root;public LiChaoTree(long low, long high) {this.low = low;this.high = high;}private Node addLine(Node t, Line x, long l, long r, long xl, long xr) {if (t == null) {return new Node(x);}long tl = t.x.query(l);long tr = t.x.query(r);if (tl <= xl && tr <= xr) {return t;} else if (tl >= xl && tr >= xr) {t.x = x;return t;} else {long m = (l + r) >> 1;long tm = t.x.query(m);long xm = x.query(m);if (tm > xm) {Line xx = t.x;t.x = x;if (xl >= tl) {t.l = addLine(t.l, xx, l, m, tl, tm);} else {t.r = addLine(t.r, xx, m + 1, r, tm + x.a, tr);}} else {if (tl >= xl) {t.l = addLine(t.l, x, l, m, xl, xm);} else {t.r = addLine(t.r, x, m + 1, r, xm + x.a, xr);}}return t;}}public void addLine(long a, long b) {Line x = new Line(a, b);root = addLine(root, x, low, high, x.query(low), x.query(high));}private long query(Node t, long l, long r, long x) {if (t == null) {return Long.MIN_VALUE;}if (l == r) {return t.x.query(x);}long m = (l + r) >> 1;if (x <= m) {return min(t.x.query(x), query(t.l, l, m, x));} else {return min(t.x.query(x), query(t.r, m + 1, r, x));}}public long minimize(long x) {Node t = root;long l = low;long r = high;long ret = Long.MAX_VALUE;while (t != null && l < r) {ret = min(ret, t.x.query(x));long m = (l + r) >> 1;if (x <= m) {t = t.l;r = m;} else {t = t.r;l = m + 1;}}return ret;}private static class Line {long a, b;private Line(long a, long b) {this.a = a;this.b = b;}long query(long x) {return a * x + b;}}private static class Node {private Line x;private Node l, r;private Node(Line x) {this.x = x;}}}class In {private final BufferedInputStream reader = new BufferedInputStream(System.in);private final byte[] buffer = new byte[0x10000];private int i = 0;private int length = 0;public int read() {if (i == length) {i = 0;try {length = reader.read(buffer);} catch (IOException ignored) {}if (length == -1) {return 0;}}if (length <= i) {throw new RuntimeException();}return buffer[i++];}public String next() {StringBuilder builder = new StringBuilder();int b = read();while (b < '!' || '~' < b) {b = read();}while ('!' <= b && b <= '~') {builder.appendCodePoint(b);b = read();}return builder.toString();}public String nextLine() {StringBuilder builder = new StringBuilder();int b = read();while (b != 0 && b != '\r' && b != '\n') {builder.appendCodePoint(b);b = read();}if (b == '\r') {read();}return builder.toString();}public int nextInt() {long val = nextLong();if (val < Integer.MIN_VALUE || Integer.MAX_VALUE < val) {throw new NumberFormatException();}return (int)val;}public long nextLong() {int b = read();while (b < '!' || '~' < b) {b = read();}boolean neg = false;if (b == '-') {neg = true;b = read();}long n = 0;int c = 0;while ('0' <= b && b <= '9') {n = n * 10 + b - '0';b = read();c++;}if (c == 0 || c >= 2 && n == 0) {throw new NumberFormatException();}return neg ? -n : n;}public double nextDouble() {return Double.parseDouble(next());}public char[] nextCharArray() {return next().toCharArray();}public String[] nextStringArray(int n) {String[] s = new String[n];for (int i = 0; i < n; i++) {s[i] = next();}return s;}public char[][] nextCharMatrix(int n, int m) {char[][] a = new char[n][m];for (int i = 0; i < n; i++) {a[i] = next().toCharArray();}return a;}public int[] nextIntArray(int n) {int[] a = new int[n];for (int i = 0; i < n; i++) {a[i] = nextInt();}return a;}public int[] nextIntArray(int n, IntUnaryOperator op) {int[] a = new int[n];for (int i = 0; i < n; i++) {a[i] = op.applyAsInt(nextInt());}return a;}public int[][] nextIntMatrix(int h, int w) {int[][] a = new int[h][w];for (int i = 0; i < h; i++) {a[i] = nextIntArray(w);}return a;}public long[] nextLongArray(int n) {long[] a = new long[n];for (int i = 0; i < n; i++) {a[i] = nextLong();}return a;}public long[] nextLongArray(int n, LongUnaryOperator op) {long[] a = new long[n];for (int i = 0; i < n; i++) {a[i] = op.applyAsLong(nextLong());}return a;}public long[][] nextLongMatrix(int h, int w) {long[][] a = new long[h][w];for (int i = 0; i < h; i++) {a[i] = nextLongArray(w);}return a;}public List<List<Integer>> nextGraph(int n, int m, boolean directed) {List<List<Integer>> res = new ArrayList<>();for (int i = 0; i < n; i++) {res.add(new ArrayList<>());}for (int i = 0; i < m; i++) {int u = nextInt() - 1;int v = nextInt() - 1;res.get(u).add(v);if (!directed) {res.get(v).add(u);}}return res;}}class Out {private final PrintWriter out = new PrintWriter(System.out);private final PrintWriter err = new PrintWriter(System.err);public boolean autoFlush;public boolean enableDebug;public Out(boolean autoFlush, boolean enableDebug) {this.autoFlush = autoFlush;this.enableDebug = enableDebug;}public void debug(Object... args) {if (!enableDebug) {return;}if (args == null || args.getClass() != Object[].class) {args = new Object[] {args};}err.println(Arrays.stream(args).map(obj -> format(obj, true)).collect(Collectors.joining(" ")));err.flush();}private String format(Object obj, boolean canMultiline) {if (obj == null) return "null";Class<?> clazz = obj.getClass();if (clazz == Double.class) return String.format("%.10f", obj);if (clazz == int[].class) return Arrays.toString((int[])obj);if (clazz == long[].class) return Arrays.toString((long[])obj);if (clazz == char[].class) return String.valueOf((char[])obj);if (clazz == boolean[].class) return IntStream.range(0, ((boolean[])obj).length).mapToObj(i -> ((boolean[])obj)[i] ? "1" : "0").collect(Collectors.joining());if (clazz == double[].class) return Arrays.toString(Arrays.stream((double[])obj).mapToObj(a -> format(a, false)).toArray());if (canMultiline && clazz.isArray() && clazz.componentType().isArray()) return Arrays.stream((Object[])obj).map(a -> format(a, false)).collect(Collectors.joining("\n"));if (clazz == Object[].class) return Arrays.toString(Arrays.stream((Object[])obj).map(a -> format(a, false)).toArray());if (clazz.isArray()) return Arrays.toString((Object[])obj);return String.valueOf(obj);}public void println(Object... args) {if (args == null || args.getClass() != Object[].class) {args = new Object[] {args};}out.println(Arrays.stream(args).map(obj -> obj instanceof Double ? String.format("%.10f", obj) : String.valueOf(obj)).collect(Collectors.joining(" ")));if (autoFlush) {out.flush();}}public void println(char a) {out.println(a);if (autoFlush) {out.flush();}}public void println(int a) {out.println(a);if (autoFlush) {out.flush();}}public void println(long a) {out.println(a);if (autoFlush) {out.flush();}}public void println(double a) {out.println(String.format("%.10f", a));if (autoFlush) {out.flush();}}public void println(String s) {out.println(s);if (autoFlush) {out.flush();}}public void println(char[] s) {out.println(String.valueOf(s));if (autoFlush) {out.flush();}}public void println(int[] a) {StringJoiner joiner = new StringJoiner(" ");for (int i : a) {joiner.add(Integer.toString(i));}out.println(joiner);if (autoFlush) {out.flush();}}public void println(long[] a) {StringJoiner joiner = new StringJoiner(" ");for (long i : a) {joiner.add(Long.toString(i));}out.println(joiner);if (autoFlush) {out.flush();}}public void flush() {err.flush();out.flush();}}