結果
問題 | No.2420 Simple Problem |
ユーザー | hiromi_ayase |
提出日時 | 2023-08-12 15:04:09 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,432 bytes |
コンパイル時間 | 2,352 ms |
コンパイル使用メモリ | 78,512 KB |
実行使用メモリ | 64,140 KB |
最終ジャッジ日時 | 2024-11-19 23:11:21 |
合計ジャッジ時間 | 29,458 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 51 ms
36,728 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 708 ms
49,640 KB |
testcase_28 | AC | 761 ms
49,536 KB |
testcase_29 | AC | 733 ms
49,596 KB |
testcase_30 | AC | 737 ms
49,720 KB |
testcase_31 | AC | 764 ms
49,740 KB |
testcase_32 | AC | 55 ms
37,304 KB |
testcase_33 | WA | - |
ソースコード
import java.util.*; import java.io.*; import java.math.BigInteger; @SuppressWarnings("unused") public class Main { private static void solve() { int n = ni(); for (int i = 0; i < n; i ++) { solve(ni(), ni()); } } private static void solve(long a, long b) { // a + b + 2sqrt(ab) < x^2 // x^2 - a - b > 2sqrt(ab) // (x^2 - a- b)^2 > 4ab long ok = (int)Math.sqrt(1e9) * 2 + 100; long ng = 0; var p = BigInteger.valueOf(4L * a * b); while (Math.abs(ok - ng) > 1) { long x = (ok + ng) / 2; var q = BigInteger.valueOf(x * x - a - b).pow(2); if (q.compareTo(p) > 0) { ok = x; } else { ng = x; } } out.println(ok); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { solve(); out.flush(); } }, "", 64000000).start(); } private static PrintWriter out = new PrintWriter(System.out); private static StringTokenizer tokenizer = null; private static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in), 32768); 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()); } }