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 21:51:54 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 242 ms / 5,000 ms |
コード長 | 1,713 bytes |
コンパイル時間 | 3,550 ms |
コンパイル使用メモリ | 78,096 KB |
実行使用メモリ | 43,112 KB |
最終ジャッジ日時 | 2024-07-01 07:57:17 |
合計ジャッジ時間 | 10,654 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(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 | 131 ms
41,172 KB |
testcase_01 | AC | 131 ms
41,440 KB |
testcase_02 | AC | 119 ms
40,548 KB |
testcase_03 | AC | 160 ms
41,548 KB |
testcase_04 | AC | 146 ms
41,260 KB |
testcase_05 | AC | 172 ms
41,308 KB |
testcase_06 | AC | 145 ms
41,228 KB |
testcase_07 | AC | 151 ms
41,976 KB |
testcase_08 | AC | 170 ms
42,064 KB |
testcase_09 | AC | 197 ms
42,548 KB |
testcase_10 | AC | 214 ms
42,728 KB |
testcase_11 | AC | 193 ms
42,336 KB |
testcase_12 | AC | 183 ms
42,368 KB |
testcase_13 | AC | 156 ms
41,960 KB |
testcase_14 | AC | 198 ms
41,920 KB |
testcase_15 | AC | 239 ms
42,992 KB |
testcase_16 | AC | 230 ms
43,108 KB |
testcase_17 | AC | 241 ms
42,700 KB |
testcase_18 | AC | 152 ms
41,960 KB |
testcase_19 | AC | 239 ms
42,836 KB |
testcase_20 | AC | 145 ms
41,832 KB |
testcase_21 | AC | 132 ms
41,264 KB |
testcase_22 | AC | 215 ms
42,964 KB |
testcase_23 | AC | 242 ms
42,860 KB |
testcase_24 | AC | 238 ms
43,072 KB |
testcase_25 | AC | 238 ms
43,112 KB |
testcase_26 | AC | 135 ms
41,476 KB |
testcase_27 | AC | 155 ms
41,928 KB |
testcase_28 | AC | 224 ms
42,864 KB |
testcase_29 | AC | 196 ms
42,480 KB |
testcase_30 | AC | 134 ms
41,424 KB |
testcase_31 | AC | 121 ms
40,288 KB |
testcase_32 | AC | 192 ms
42,288 KB |
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>(); boolean flag = false; closed.add(0); queue.offer(new Block(1, 1)); while(queue.size() > 0){ Block currentBlock; currentBlock = queue.poll(); if (currentBlock.value == goal){ System.out.println(currentBlock.count); flag = true; break; } Block forward = currentBlock.getForwardNum(); Block back = currentBlock.getBackNum(); if (beforeQueue.indexOf(forward.value) == -1 && forward.value <= goal){ queue.offer(forward); beforeQueue.add(forward.value); } if (closed.indexOf(back.value) == -1){ queue.offer(back); closed.add(back.value); } } if (queue.size() == 0 && flag == false){ System.out.println(-1); } } } 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); } }