結果
問題 | No.600 かい文回 |
ユーザー | uwi |
提出日時 | 2017-11-24 23:24:10 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,572 bytes |
コンパイル時間 | 4,894 ms |
コンパイル使用メモリ | 77,192 KB |
実行使用メモリ | 60,188 KB |
最終ジャッジ日時 | 2023-08-18 05:22:04 |
合計ジャッジ時間 | 11,183 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 | 87 ms
52,732 KB |
testcase_01 | AC | 85 ms
52,524 KB |
testcase_02 | AC | 91 ms
52,708 KB |
testcase_03 | AC | 82 ms
53,092 KB |
testcase_04 | AC | 84 ms
52,744 KB |
testcase_05 | AC | 84 ms
52,376 KB |
testcase_06 | AC | 84 ms
53,252 KB |
testcase_07 | AC | 83 ms
52,268 KB |
testcase_08 | AC | 87 ms
52,280 KB |
testcase_09 | AC | 84 ms
53,256 KB |
testcase_10 | AC | 149 ms
58,772 KB |
testcase_11 | AC | 99 ms
52,992 KB |
testcase_12 | AC | 84 ms
52,328 KB |
testcase_13 | AC | 95 ms
53,104 KB |
testcase_14 | AC | 91 ms
52,504 KB |
testcase_15 | AC | 45 ms
49,316 KB |
testcase_16 | AC | 113 ms
52,452 KB |
testcase_17 | WA | - |
testcase_18 | AC | 739 ms
58,272 KB |
testcase_19 | AC | 729 ms
60,092 KB |
testcase_20 | WA | - |
ソースコード
package contest171124; 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 D2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); if(n == 1){ out.println("a"); }else{ dfs(n, 0, ""); } } boolean dfs(int n, int x, String s) { if(s.length() > 100)return false; if(x > 26)return false; if(n == x+1){ StringBuilder sb = new StringBuilder(s); out.println(s + sb.reverse()); return true; } if(n < x+1)return false; char c = (char)('a'+x%26); String t = s + c; int m = n; while((n+x) % 2 == 0 && (n+x) / 2 < n){ n = (n+x)/2; if(dfs(n, x+1, t += c))return true; } if(dfs(m, x+1, s + c))return true; return false; } 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 D2().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)); } }