結果
問題 | No.491 10^9+1と回文 |
ユーザー | chocorusk |
提出日時 | 2020-10-04 14:36:20 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 194 ms / 1,000 ms |
コード長 | 2,651 bytes |
コンパイル時間 | 2,476 ms |
コンパイル使用メモリ | 75,740 KB |
実行使用メモリ | 61,340 KB |
最終ジャッジ日時 | 2023-09-26 20:54:39 |
合計ジャッジ時間 | 25,791 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge15 |
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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 | 176 ms
59,644 KB |
testcase_01 | AC | 177 ms
59,452 KB |
testcase_02 | AC | 177 ms
59,524 KB |
testcase_03 | AC | 176 ms
59,192 KB |
testcase_04 | AC | 176 ms
59,424 KB |
testcase_05 | AC | 178 ms
59,560 KB |
testcase_06 | AC | 177 ms
59,264 KB |
testcase_07 | AC | 179 ms
59,388 KB |
testcase_08 | AC | 177 ms
59,764 KB |
testcase_09 | AC | 177 ms
59,448 KB |
testcase_10 | AC | 179 ms
59,452 KB |
testcase_11 | AC | 176 ms
59,644 KB |
testcase_12 | AC | 175 ms
59,548 KB |
testcase_13 | AC | 174 ms
59,644 KB |
testcase_14 | AC | 175 ms
59,284 KB |
testcase_15 | AC | 179 ms
59,492 KB |
testcase_16 | AC | 177 ms
59,504 KB |
testcase_17 | AC | 183 ms
59,544 KB |
testcase_18 | AC | 172 ms
59,640 KB |
testcase_19 | AC | 176 ms
57,476 KB |
testcase_20 | AC | 178 ms
59,156 KB |
testcase_21 | AC | 178 ms
59,604 KB |
testcase_22 | AC | 175 ms
59,456 KB |
testcase_23 | AC | 177 ms
59,236 KB |
testcase_24 | AC | 176 ms
59,356 KB |
testcase_25 | AC | 175 ms
59,580 KB |
testcase_26 | AC | 179 ms
59,232 KB |
testcase_27 | AC | 177 ms
59,672 KB |
testcase_28 | AC | 176 ms
59,352 KB |
testcase_29 | AC | 176 ms
59,648 KB |
testcase_30 | AC | 175 ms
57,056 KB |
testcase_31 | AC | 177 ms
59,484 KB |
testcase_32 | AC | 173 ms
59,576 KB |
testcase_33 | AC | 172 ms
59,600 KB |
testcase_34 | AC | 176 ms
59,448 KB |
testcase_35 | AC | 175 ms
59,900 KB |
testcase_36 | AC | 191 ms
59,392 KB |
testcase_37 | AC | 180 ms
59,444 KB |
testcase_38 | AC | 184 ms
59,356 KB |
testcase_39 | AC | 182 ms
59,804 KB |
testcase_40 | AC | 181 ms
59,556 KB |
testcase_41 | AC | 173 ms
59,436 KB |
testcase_42 | AC | 178 ms
59,280 KB |
testcase_43 | AC | 175 ms
59,348 KB |
testcase_44 | AC | 177 ms
59,136 KB |
testcase_45 | AC | 175 ms
59,288 KB |
testcase_46 | AC | 183 ms
60,068 KB |
testcase_47 | AC | 171 ms
59,456 KB |
testcase_48 | AC | 174 ms
59,312 KB |
testcase_49 | AC | 181 ms
59,648 KB |
testcase_50 | AC | 174 ms
59,496 KB |
testcase_51 | AC | 174 ms
59,440 KB |
testcase_52 | AC | 177 ms
59,472 KB |
testcase_53 | AC | 176 ms
59,152 KB |
testcase_54 | AC | 176 ms
59,448 KB |
testcase_55 | AC | 185 ms
59,268 KB |
testcase_56 | AC | 176 ms
59,256 KB |
testcase_57 | AC | 178 ms
59,264 KB |
testcase_58 | AC | 179 ms
59,160 KB |
testcase_59 | AC | 175 ms
59,416 KB |
testcase_60 | AC | 175 ms
59,648 KB |
testcase_61 | AC | 180 ms
59,092 KB |
testcase_62 | AC | 175 ms
59,476 KB |
testcase_63 | AC | 175 ms
59,732 KB |
testcase_64 | AC | 174 ms
59,288 KB |
testcase_65 | AC | 174 ms
59,144 KB |
testcase_66 | AC | 174 ms
59,528 KB |
testcase_67 | AC | 194 ms
59,144 KB |
testcase_68 | AC | 181 ms
59,444 KB |
testcase_69 | AC | 178 ms
59,632 KB |
testcase_70 | AC | 178 ms
59,568 KB |
testcase_71 | AC | 178 ms
59,360 KB |
testcase_72 | AC | 178 ms
59,600 KB |
testcase_73 | AC | 176 ms
59,540 KB |
testcase_74 | AC | 179 ms
59,412 KB |
testcase_75 | AC | 181 ms
59,560 KB |
testcase_76 | AC | 176 ms
59,140 KB |
testcase_77 | AC | 176 ms
59,140 KB |
testcase_78 | AC | 176 ms
59,228 KB |
testcase_79 | AC | 179 ms
59,484 KB |
testcase_80 | AC | 178 ms
59,200 KB |
testcase_81 | AC | 173 ms
59,496 KB |
testcase_82 | AC | 175 ms
59,292 KB |
testcase_83 | AC | 178 ms
59,732 KB |
testcase_84 | AC | 176 ms
59,468 KB |
testcase_85 | AC | 176 ms
59,376 KB |
testcase_86 | AC | 178 ms
59,468 KB |
testcase_87 | AC | 177 ms
59,176 KB |
testcase_88 | AC | 176 ms
59,860 KB |
testcase_89 | AC | 178 ms
59,508 KB |
testcase_90 | AC | 176 ms
59,532 KB |
testcase_91 | AC | 175 ms
59,436 KB |
testcase_92 | AC | 175 ms
59,140 KB |
testcase_93 | AC | 178 ms
59,464 KB |
testcase_94 | AC | 173 ms
59,260 KB |
testcase_95 | AC | 177 ms
59,444 KB |
testcase_96 | AC | 176 ms
61,340 KB |
testcase_97 | AC | 176 ms
59,364 KB |
testcase_98 | AC | 180 ms
59,136 KB |
testcase_99 | AC | 179 ms
59,188 KB |
testcase_100 | AC | 179 ms
59,272 KB |
testcase_101 | AC | 183 ms
59,432 KB |
testcase_102 | AC | 178 ms
59,500 KB |
testcase_103 | AC | 177 ms
59,416 KB |
testcase_104 | AC | 175 ms
57,636 KB |
testcase_105 | AC | 180 ms
59,036 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import java.util.NoSuchElementException; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //FastScanner scanner=new FastScanner(); PrintWriter out = new PrintWriter(System.out); int ans=0; long n=scanner.nextLong(); for(long i=1; i<=9; i++) { if(i*1000000001<=n) ans++; } for(int i=1; i<=9999; i++) { List<Integer> d=new ArrayList<Integer>(); int x=i; while(x>0) { d.add(x%10); x/=10; } int a=i; for(int c:d) { a*=10; a+=c; } if((long)a*1000000001<=n) ans++; for(int j=0; j<10; j++) { a=i*10+j; for(int c:d) { a*=10; a+=c; } if((long)a*1000000001<=n) ans++; } } out.println(ans); out.close(); scanner.close(); } } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1; } private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } public boolean hasNext() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next()); } }