結果
問題 | No.491 10^9+1と回文 |
ユーザー | uwi |
提出日時 | 2017-03-10 22:24:30 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 84 ms / 1,000 ms |
コード長 | 3,366 bytes |
コンパイル時間 | 3,966 ms |
コンパイル使用メモリ | 81,268 KB |
実行使用メモリ | 51,348 KB |
最終ジャッジ日時 | 2024-10-01 07:07:36 |
合計ジャッジ時間 | 14,771 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 67 ms
51,116 KB |
testcase_01 | AC | 68 ms
51,240 KB |
testcase_02 | AC | 76 ms
50,628 KB |
testcase_03 | AC | 66 ms
50,328 KB |
testcase_04 | AC | 68 ms
51,128 KB |
testcase_05 | AC | 76 ms
50,704 KB |
testcase_06 | AC | 84 ms
51,348 KB |
testcase_07 | AC | 75 ms
50,596 KB |
testcase_08 | AC | 66 ms
50,844 KB |
testcase_09 | AC | 76 ms
50,404 KB |
testcase_10 | AC | 66 ms
50,376 KB |
testcase_11 | AC | 68 ms
50,816 KB |
testcase_12 | AC | 66 ms
50,768 KB |
testcase_13 | AC | 65 ms
51,068 KB |
testcase_14 | AC | 68 ms
51,208 KB |
testcase_15 | AC | 67 ms
51,232 KB |
testcase_16 | AC | 75 ms
50,896 KB |
testcase_17 | AC | 71 ms
51,064 KB |
testcase_18 | AC | 80 ms
51,340 KB |
testcase_19 | AC | 70 ms
50,460 KB |
testcase_20 | AC | 70 ms
50,460 KB |
testcase_21 | AC | 70 ms
51,100 KB |
testcase_22 | AC | 79 ms
50,440 KB |
testcase_23 | AC | 66 ms
50,584 KB |
testcase_24 | AC | 67 ms
50,680 KB |
testcase_25 | AC | 77 ms
50,456 KB |
testcase_26 | AC | 77 ms
50,644 KB |
testcase_27 | AC | 78 ms
50,492 KB |
testcase_28 | AC | 71 ms
50,336 KB |
testcase_29 | AC | 82 ms
51,092 KB |
testcase_30 | AC | 77 ms
50,692 KB |
testcase_31 | AC | 72 ms
50,724 KB |
testcase_32 | AC | 80 ms
50,896 KB |
testcase_33 | AC | 78 ms
51,024 KB |
testcase_34 | AC | 72 ms
50,856 KB |
testcase_35 | AC | 68 ms
50,560 KB |
testcase_36 | AC | 66 ms
51,124 KB |
testcase_37 | AC | 70 ms
51,152 KB |
testcase_38 | AC | 68 ms
50,980 KB |
testcase_39 | AC | 65 ms
50,548 KB |
testcase_40 | AC | 67 ms
50,332 KB |
testcase_41 | AC | 69 ms
50,704 KB |
testcase_42 | AC | 70 ms
50,236 KB |
testcase_43 | AC | 72 ms
50,792 KB |
testcase_44 | AC | 71 ms
50,048 KB |
testcase_45 | AC | 72 ms
51,064 KB |
testcase_46 | AC | 68 ms
50,756 KB |
testcase_47 | AC | 69 ms
50,948 KB |
testcase_48 | AC | 68 ms
50,972 KB |
testcase_49 | AC | 67 ms
50,924 KB |
testcase_50 | AC | 70 ms
50,996 KB |
testcase_51 | AC | 80 ms
50,980 KB |
testcase_52 | AC | 68 ms
51,152 KB |
testcase_53 | AC | 69 ms
51,308 KB |
testcase_54 | AC | 68 ms
51,120 KB |
testcase_55 | AC | 69 ms
50,508 KB |
testcase_56 | AC | 70 ms
50,532 KB |
testcase_57 | AC | 70 ms
51,064 KB |
testcase_58 | AC | 65 ms
51,112 KB |
testcase_59 | AC | 68 ms
50,532 KB |
testcase_60 | AC | 72 ms
50,576 KB |
testcase_61 | AC | 79 ms
50,868 KB |
testcase_62 | AC | 71 ms
51,048 KB |
testcase_63 | AC | 73 ms
50,852 KB |
testcase_64 | AC | 70 ms
50,684 KB |
testcase_65 | AC | 82 ms
50,888 KB |
testcase_66 | AC | 80 ms
50,480 KB |
testcase_67 | AC | 70 ms
50,948 KB |
testcase_68 | AC | 69 ms
51,112 KB |
testcase_69 | AC | 69 ms
50,780 KB |
testcase_70 | AC | 72 ms
51,124 KB |
testcase_71 | AC | 70 ms
50,848 KB |
testcase_72 | AC | 79 ms
50,920 KB |
testcase_73 | AC | 69 ms
51,108 KB |
testcase_74 | AC | 66 ms
51,204 KB |
testcase_75 | AC | 70 ms
51,256 KB |
testcase_76 | AC | 70 ms
51,036 KB |
testcase_77 | AC | 70 ms
51,132 KB |
testcase_78 | AC | 78 ms
50,996 KB |
testcase_79 | AC | 70 ms
50,940 KB |
testcase_80 | AC | 70 ms
51,040 KB |
testcase_81 | AC | 76 ms
50,928 KB |
testcase_82 | AC | 68 ms
50,536 KB |
testcase_83 | AC | 68 ms
51,192 KB |
testcase_84 | AC | 71 ms
50,772 KB |
testcase_85 | AC | 65 ms
50,164 KB |
testcase_86 | AC | 80 ms
50,472 KB |
testcase_87 | AC | 72 ms
51,072 KB |
testcase_88 | AC | 65 ms
50,548 KB |
testcase_89 | AC | 68 ms
50,540 KB |
testcase_90 | AC | 70 ms
51,132 KB |
testcase_91 | AC | 78 ms
50,648 KB |
testcase_92 | AC | 81 ms
50,968 KB |
testcase_93 | AC | 72 ms
51,044 KB |
testcase_94 | AC | 78 ms
50,620 KB |
testcase_95 | AC | 80 ms
50,468 KB |
testcase_96 | AC | 68 ms
50,852 KB |
testcase_97 | AC | 74 ms
50,708 KB |
testcase_98 | AC | 69 ms
50,680 KB |
testcase_99 | AC | 73 ms
51,004 KB |
testcase_100 | AC | 72 ms
51,052 KB |
testcase_101 | AC | 66 ms
50,600 KB |
testcase_102 | AC | 72 ms
50,724 KB |
testcase_103 | AC | 61 ms
50,820 KB |
testcase_104 | AC | 62 ms
51,032 KB |
testcase_105 | AC | 65 ms
50,876 KB |
ソースコード
package contest170310; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class B { InputStream is; PrintWriter out; String INPUT = ""; void solve() { long n = nl(); int ct = 0; for(int d = 1;d <= 9;d++){ int inf = (int)Math.pow(10, (d-1)/2); int sup = (int)Math.pow(10, (d-1)/2+1); for(int i = inf;i < sup;i++){ long b = i; for(int j = d % 2 == 1 ? i/10 : i;j > 0;j /= 10){ b = b * 10 + j % 10; } b = b * 1000000001; if(b <= n)ct++; } } out.println(ct); } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new B().run(); } private byte[] inbuf = new byte[1024]; public int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }