結果
問題 | No.1597 Matrix Sort |
ユーザー |
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提出日時 | 2021-07-10 02:13:20 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 927 ms / 1,500 ms |
コード長 | 3,203 bytes |
コンパイル時間 | 2,736 ms |
コンパイル使用メモリ | 82,188 KB |
実行使用メモリ | 50,500 KB |
最終ジャッジ日時 | 2024-07-01 21:12:16 |
合計ジャッジ時間 | 22,252 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 27 |
ソースコード
import java.util.*; @SuppressWarnings("unused") public class Main { private static void solve() { int n = ni(); long k = nl(); int p = ni(); int[] a = na(n); int[] b = na(n); Arrays.sort(a); Arrays.sort(b); int ng = -1; int ok = Integer.MAX_VALUE / 2; while (Math.abs(ok - ng) > 1) { int v = (ok + ng) / 2; // v未満の数 long cnt = 0; for (int ca : a) { cnt += lowerBound(b, v - ca) + (lowerBound(b, p + v - ca) - lowerBound(b, p - ca)); } if (cnt >= k) { ok = v; } else { ng = v; } } System.out.println(ok - 1); } public static int lowerBound(int[] a, int v) { int low = -1, high = a.length; while(high-low > 1){ int h = high+low>>>1; if(a[h] >= v){ high = h; }else{ low = h; } } return high; } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }