結果
問題 | No.491 10^9+1と回文 |
ユーザー | tanzaku |
提出日時 | 2017-03-10 23:45:37 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,571 bytes |
コンパイル時間 | 3,745 ms |
コンパイル使用メモリ | 78,520 KB |
実行使用メモリ | 57,596 KB |
最終ジャッジ日時 | 2024-06-24 09:04:57 |
合計ジャッジ時間 | 25,387 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 168 ms
54,176 KB |
testcase_01 | AC | 170 ms
54,212 KB |
testcase_02 | AC | 175 ms
54,480 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 175 ms
54,264 KB |
testcase_09 | AC | 171 ms
54,280 KB |
testcase_10 | AC | 176 ms
54,156 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 173 ms
54,296 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 178 ms
54,328 KB |
testcase_18 | AC | 171 ms
54,520 KB |
testcase_19 | WA | - |
testcase_20 | AC | 177 ms
54,028 KB |
testcase_21 | WA | - |
testcase_22 | AC | 175 ms
54,380 KB |
testcase_23 | WA | - |
testcase_24 | AC | 173 ms
54,308 KB |
testcase_25 | AC | 172 ms
54,220 KB |
testcase_26 | AC | 173 ms
54,440 KB |
testcase_27 | AC | 176 ms
54,240 KB |
testcase_28 | AC | 173 ms
54,408 KB |
testcase_29 | AC | 173 ms
54,396 KB |
testcase_30 | WA | - |
testcase_31 | AC | 158 ms
54,320 KB |
testcase_32 | WA | - |
testcase_33 | AC | 175 ms
54,404 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | AC | 174 ms
54,476 KB |
testcase_37 | AC | 176 ms
54,592 KB |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 171 ms
54,604 KB |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | AC | 172 ms
54,412 KB |
testcase_48 | AC | 168 ms
54,256 KB |
testcase_49 | AC | 171 ms
54,196 KB |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | AC | 171 ms
54,520 KB |
testcase_54 | AC | 172 ms
54,172 KB |
testcase_55 | AC | 174 ms
54,324 KB |
testcase_56 | AC | 171 ms
54,432 KB |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | AC | 171 ms
54,196 KB |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | AC | 173 ms
54,564 KB |
testcase_66 | AC | 174 ms
54,328 KB |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | AC | 174 ms
54,308 KB |
testcase_70 | AC | 171 ms
54,384 KB |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | AC | 172 ms
54,228 KB |
testcase_76 | AC | 173 ms
54,432 KB |
testcase_77 | AC | 169 ms
54,440 KB |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | AC | 172 ms
54,596 KB |
testcase_81 | AC | 173 ms
54,772 KB |
testcase_82 | AC | 171 ms
54,588 KB |
testcase_83 | WA | - |
testcase_84 | AC | 175 ms
54,400 KB |
testcase_85 | WA | - |
testcase_86 | AC | 170 ms
54,292 KB |
testcase_87 | WA | - |
testcase_88 | AC | 178 ms
54,960 KB |
testcase_89 | WA | - |
testcase_90 | WA | - |
testcase_91 | WA | - |
testcase_92 | AC | 172 ms
54,288 KB |
testcase_93 | WA | - |
testcase_94 | WA | - |
testcase_95 | AC | 171 ms
54,292 KB |
testcase_96 | WA | - |
testcase_97 | WA | - |
testcase_98 | WA | - |
testcase_99 | WA | - |
testcase_100 | WA | - |
testcase_101 | WA | - |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
ソースコード
import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class _491 { public static void main(String[] args) throws IOException { new _491().solve(); } void solve() throws IOException { try (final Scanner in = new Scanner(System.in)) { n = in.nextLong(); long ans = 0; for (int i = 1; i <= 9; i++) { ans += rec(i, 0, 0); } System.out.println(ans); } } long n; char[] cs; long x = 1000000000+1; long[] digits = new long[20]; boolean palindrome(long cur) { int len = 0; while (cur > 0) { digits[len++] = cur % 10; cur /= 10; } for (int i = 0; i < len / 2; i++) { if (digits[i] != digits[len-1-i]) return false; } return true; } long rec(int len, int idx, long cur) { if (len % 2 == 0) { if (2*idx == len) { long c = cur; for (int i = 0; i < len / 2; i++) { cur = cur * 10 + c % 10; c /= 10; } // if (cur * x <= n) dump(cur); return cur <= n / x && palindrome(cur * x) ? 1 : 0; } } else { if (2*idx-1 == len) { long c = cur; for (int i = 0; i < len / 2; i++) { cur = cur * 10 + c % 10; c /= 10; } // if (cur * x <= n) dump(cur); return cur <= n / x && palindrome(cur * x) ? 1 : 0; } } long ans = 0; for (int i = 0; i < 10; i++) { if (cur == 0 && i == 0) continue; ans += rec(len, idx + 1, cur * 10 + i); } return ans; } // for debug static void dump(Object... o) { System.err.println(Arrays.deepToString(o)); } }