Submission #346100
Source Code Expand
import java.io.*; import java.util.*; public class Main { void run() { int N = readInt(); int maxD = 0; int maxV = -1; for (int i = 2; i <= N; i++) { System.out.println(String.format("? %d %d", 1, i)); int d = readInt(); if (maxD < d) { maxD = d; maxV = i; } } int ans = 0; for (int i = 1; i <= N; i++) { if (i == maxV) continue; System.out.println(String.format("? %d %d", maxV, i)); int d = readInt(); if (ans < d) { ans = d; } } System.out.println(String.format("! %d", ans)); } public static void main(String[] args) { new Main().run(); } // flush automatically iff you call `println` or `printf` or `format`. // PrintWriter sysout = new PrintWriter(System.out, true); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer buffer = new StringTokenizer(""); String read() { if (!buffer.hasMoreTokens()) { try { buffer = new StringTokenizer(in.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return buffer.nextToken(); } int readInt() { return Integer.parseInt(read()); } long readLong() { return Long.parseLong(read()); } double readDouble() { return Double.parseDouble(read()); } String readLine() { buffer = new StringTokenizer(""); try { return in.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } }
Submission Info
Submission Time | |
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Task | D - 高橋くんと木の直径 |
User | arosh |
Language | Java (OpenJDK 1.7.0) |
Score | 100 |
Code Size | 1850 Byte |
Status | AC |
Exec Time | 518 ms |
Memory | 21688 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 20 / 20 | 80 / 80 | ||||||
Status |
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Set Name | Test Cases |
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Sample | subtask0_0.txt |
Subtask1 | subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask0_0.txt |
All | subtask0_0.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask2_0.txt, subtask2_1.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_2.txt, subtask2_3.txt, subtask2_4.txt, subtask2_5.txt, subtask2_6.txt, subtask2_7.txt, subtask2_8.txt, subtask2_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0_0.txt | AC | 413 ms | 21432 KB |
subtask1_0.txt | AC | 439 ms | 21632 KB |
subtask1_1.txt | AC | 439 ms | 21528 KB |
subtask1_10.txt | AC | 425 ms | 21568 KB |
subtask1_11.txt | AC | 427 ms | 21584 KB |
subtask1_12.txt | AC | 426 ms | 21688 KB |
subtask1_13.txt | AC | 429 ms | 21600 KB |
subtask1_14.txt | AC | 430 ms | 21592 KB |
subtask1_15.txt | AC | 428 ms | 21492 KB |
subtask1_16.txt | AC | 434 ms | 21648 KB |
subtask1_17.txt | AC | 433 ms | 21536 KB |
subtask1_18.txt | AC | 418 ms | 21544 KB |
subtask1_19.txt | AC | 426 ms | 21588 KB |
subtask1_2.txt | AC | 418 ms | 21584 KB |
subtask1_20.txt | AC | 411 ms | 21404 KB |
subtask1_3.txt | AC | 440 ms | 21516 KB |
subtask1_4.txt | AC | 426 ms | 21652 KB |
subtask1_5.txt | AC | 417 ms | 21620 KB |
subtask1_6.txt | AC | 427 ms | 21644 KB |
subtask1_7.txt | AC | 433 ms | 21580 KB |
subtask1_8.txt | AC | 424 ms | 21612 KB |
subtask1_9.txt | AC | 433 ms | 21644 KB |
subtask2_0.txt | AC | 436 ms | 21524 KB |
subtask2_1.txt | AC | 449 ms | 21500 KB |
subtask2_10.txt | AC | 426 ms | 21568 KB |
subtask2_11.txt | AC | 442 ms | 21600 KB |
subtask2_12.txt | AC | 432 ms | 21520 KB |
subtask2_13.txt | AC | 425 ms | 21568 KB |
subtask2_14.txt | AC | 436 ms | 21688 KB |
subtask2_15.txt | AC | 427 ms | 21624 KB |
subtask2_16.txt | AC | 425 ms | 21624 KB |
subtask2_17.txt | AC | 427 ms | 21640 KB |
subtask2_18.txt | AC | 418 ms | 21612 KB |
subtask2_19.txt | AC | 434 ms | 21544 KB |
subtask2_2.txt | AC | 428 ms | 21560 KB |
subtask2_3.txt | AC | 518 ms | 21528 KB |
subtask2_4.txt | AC | 425 ms | 21564 KB |
subtask2_5.txt | AC | 436 ms | 21524 KB |
subtask2_6.txt | AC | 430 ms | 21568 KB |
subtask2_7.txt | AC | 429 ms | 21648 KB |
subtask2_8.txt | AC | 429 ms | 21632 KB |
subtask2_9.txt | AC | 423 ms | 21544 KB |