結果
問題 | No.600 かい文回 |
ユーザー | tanzaku |
提出日時 | 2017-11-24 23:34:56 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,243 bytes |
コンパイル時間 | 2,318 ms |
コンパイル使用メモリ | 82,076 KB |
実行使用メモリ | 54,024 KB |
最終ジャッジ日時 | 2024-05-05 11:41:23 |
合計ジャッジ時間 | 5,220 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 54 ms
50,168 KB |
testcase_01 | AC | 75 ms
51,308 KB |
testcase_02 | AC | 96 ms
53,612 KB |
testcase_03 | AC | 122 ms
53,492 KB |
testcase_04 | AC | 77 ms
51,564 KB |
testcase_05 | AC | 104 ms
53,848 KB |
testcase_06 | AC | 108 ms
53,616 KB |
testcase_07 | AC | 114 ms
53,360 KB |
testcase_08 | AC | 109 ms
53,548 KB |
testcase_09 | AC | 102 ms
53,316 KB |
testcase_10 | AC | 106 ms
53,400 KB |
testcase_11 | AC | 109 ms
53,728 KB |
testcase_12 | AC | 113 ms
53,728 KB |
testcase_13 | AC | 109 ms
53,524 KB |
testcase_14 | AC | 117 ms
53,400 KB |
testcase_15 | AC | 51 ms
50,432 KB |
testcase_16 | AC | 105 ms
54,024 KB |
testcase_17 | WA | - |
testcase_18 | AC | 87 ms
52,856 KB |
testcase_19 | AC | 77 ms
51,124 KB |
testcase_20 | WA | - |
ソースコード
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.IOException; import java.io.BufferedReader; import java.io.Reader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; MyInput in = new MyInput(inputStream); PrintWriter out = new PrintWriter(outputStream); TaskD solver = new TaskD(); solver.solve(1, in, out); out.close(); } static class TaskD { public void solve(int testNumber, MyInput in, PrintWriter out) { int n = in.nextInt(); if (n == 1) { out.println("a"); return; } String ans = rec(n, 'a'); StringBuilder sb = new StringBuilder(ans); sb.reverse(); out.println(ans + sb.toString()); } String rec(int idx, char c) { if (idx == 2) { return c + ""; } if (idx == 3) { return c + "" + (char) (c + 1); } if (idx % 2 == 1) { String s = rec(idx / 2, (char) (c + 1)); return c + "" + s.charAt(0) + s; } else { String s = rec(idx / 2, c); return s.charAt(0) + s; } } } static class MyInput { private final BufferedReader in; private static int pos; private static int readLen; private static final char[] buffer = new char[1024 * 8]; private static char[] str = new char[500 * 8 * 2]; private static boolean[] isDigit = new boolean[256]; private static boolean[] isSpace = new boolean[256]; private static boolean[] isLineSep = new boolean[256]; static { for (int i = 0; i < 10; i++) { isDigit['0' + i] = true; } isDigit['-'] = true; isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true; isLineSep['\r'] = isLineSep['\n'] = true; } public MyInput(InputStream is) { in = new BufferedReader(new InputStreamReader(is)); } public int read() { if (pos >= readLen) { pos = 0; try { readLen = in.read(buffer); } catch (IOException e) { throw new RuntimeException(); } if (readLen <= 0) { throw new MyInput.EndOfFileRuntimeException(); } } return buffer[pos++]; } public int nextInt() { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; int ret = 0; if (str[0] == '-') { i = 1; } for (; i < len; i++) ret = ret * 10 + str[i] - '0'; if (str[0] == '-') { ret = -ret; } return ret; } public char nextChar() { while (true) { final int c = read(); if (!isSpace[c]) { return (char) c; } } } int reads(int len, boolean[] accept) { try { while (true) { final int c = read(); if (accept[c]) { break; } if (str.length == len) { char[] rep = new char[str.length * 3 / 2]; System.arraycopy(str, 0, rep, 0, str.length); str = rep; } str[len++] = (char) c; } } catch (MyInput.EndOfFileRuntimeException e) { } return len; } static class EndOfFileRuntimeException extends RuntimeException { } } }