結果
問題 | No.3 ビットすごろく |
ユーザー | kenji_shioya |
提出日時 | 2016-05-25 21:04:17 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,701 bytes |
コンパイル時間 | 3,610 ms |
コンパイル使用メモリ | 77,924 KB |
実行使用メモリ | 56,692 KB |
最終ジャッジ日時 | 2024-10-07 14:26:39 |
合計ジャッジ時間 | 11,135 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 109 ms
41,160 KB |
testcase_01 | AC | 124 ms
41,728 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 125 ms
41,516 KB |
testcase_05 | WA | - |
testcase_06 | AC | 151 ms
42,276 KB |
testcase_07 | AC | 121 ms
41,504 KB |
testcase_08 | AC | 153 ms
41,832 KB |
testcase_09 | AC | 187 ms
42,656 KB |
testcase_10 | WA | - |
testcase_11 | AC | 182 ms
42,804 KB |
testcase_12 | AC | 228 ms
43,064 KB |
testcase_13 | WA | - |
testcase_14 | AC | 395 ms
44,016 KB |
testcase_15 | AC | 567 ms
44,364 KB |
testcase_16 | AC | 223 ms
42,800 KB |
testcase_17 | AC | 223 ms
43,104 KB |
testcase_18 | AC | 142 ms
41,548 KB |
testcase_19 | AC | 230 ms
42,784 KB |
testcase_20 | AC | 145 ms
41,500 KB |
testcase_21 | AC | 128 ms
41,436 KB |
testcase_22 | WA | - |
testcase_23 | AC | 563 ms
45,172 KB |
testcase_24 | AC | 235 ms
43,092 KB |
testcase_25 | AC | 222 ms
43,012 KB |
testcase_26 | AC | 120 ms
41,356 KB |
testcase_27 | AC | 145 ms
41,664 KB |
testcase_28 | WA | - |
testcase_29 | AC | 180 ms
42,284 KB |
testcase_30 | AC | 119 ms
41,252 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
ソースコード
import java.util.*; public class Exercises16{ public static void main (String[] args){ Scanner sc = new Scanner(System.in); int goal = sc.nextInt(); LinkedList<Block> queue = new LinkedList<Block>(); ArrayList<Integer> beforeQueue = new ArrayList<Integer>(); ArrayList<Integer> closed = new ArrayList<Integer>(); closed.add(0); queue.offer(new Block(1, 1)); while(true){ Block currentBlock; currentBlock = queue.poll(); if (currentBlock.value == goal){ System.out.println(currentBlock.count); break; } Block forward = currentBlock.getForwardNum(); Block back = currentBlock.getBackNum(); if (beforeQueue.indexOf(forward.value) == -1){ queue.offer(forward); beforeQueue.add(forward.value); } if (closed.indexOf(back.value) == -1){ queue.offer(back); closed.add(back.value); } int lastNumInClosed = closed.get((closed.size() - 1)); if (lastNumInClosed > goal * 2){ System.out.println(-1); break; } } } } class Block { public int value; private int num; public int count; private int bitcount; Block (int newValue, int currentCount){ value = newValue; num = newValue; count = currentCount; bitcount = 0; } public Block getForwardNum(){ while (num != 0){ if (num % 2 == 1){ bitcount += 1; } num /= 2; } return new Block (value + bitcount, count + 1); } public Block getBackNum(){ while (num != 0){ if (num % 2 == 1){ bitcount += 1; } num /= 2; } return new Block (value - bitcount, count + 1); } }