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 21:05:48 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,700 bytes |
コンパイル時間 | 3,757 ms |
コンパイル使用メモリ | 78,052 KB |
実行使用メモリ | 45,280 KB |
最終ジャッジ日時 | 2024-10-07 14:27:13 |
合計ジャッジ時間 | 12,174 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
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 | 138 ms
41,172 KB |
testcase_01 | AC | 139 ms
40,992 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 153 ms
41,344 KB |
testcase_05 | WA | - |
testcase_06 | AC | 193 ms
42,408 KB |
testcase_07 | AC | 156 ms
41,504 KB |
testcase_08 | AC | 176 ms
42,200 KB |
testcase_09 | AC | 206 ms
42,244 KB |
testcase_10 | WA | - |
testcase_11 | AC | 201 ms
42,356 KB |
testcase_12 | AC | 254 ms
42,804 KB |
testcase_13 | WA | - |
testcase_14 | AC | 427 ms
43,748 KB |
testcase_15 | AC | 614 ms
45,216 KB |
testcase_16 | AC | 238 ms
42,756 KB |
testcase_17 | AC | 249 ms
42,852 KB |
testcase_18 | AC | 159 ms
41,444 KB |
testcase_19 | AC | 249 ms
42,948 KB |
testcase_20 | AC | 144 ms
41,220 KB |
testcase_21 | AC | 131 ms
41,268 KB |
testcase_22 | WA | - |
testcase_23 | AC | 611 ms
45,280 KB |
testcase_24 | AC | 247 ms
42,996 KB |
testcase_25 | AC | 248 ms
42,868 KB |
testcase_26 | AC | 141 ms
41,412 KB |
testcase_27 | AC | 162 ms
41,652 KB |
testcase_28 | WA | - |
testcase_29 | AC | 202 ms
42,292 KB |
testcase_30 | AC | 139 ms
41,076 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); } }