結果
問題 |
No.420 mod2漸化式
|
ユーザー |
![]() |
提出日時 | 2016-09-13 16:47:59 |
言語 | Java (openjdk 23) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,125 bytes |
コンパイル時間 | 2,190 ms |
コンパイル使用メモリ | 78,248 KB |
実行使用メモリ | 104,412 KB |
最終ジャッジ日時 | 2024-11-17 04:54:27 |
合計ジャッジ時間 | 24,732 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 26 TLE * 9 |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.NoSuchElementException; public class Main { static long MOD = 1000000007L; static int count = 0; public static void main(String[] args) { FastScanner sc = new FastScanner(); int x = sc.nextInt(); long ans = dfs(0,x,0); System.out.println(count + " " + ans); } static long dfs(long s, int id,int idx) { if(id == 0) { count++; return s; } if(idx == 31) return 0; if(id + idx > 31) return 0; return dfs(s | 1L << idx,id-1,idx+1) + dfs(s, id, idx+1); } } 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;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); 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() { if (!hasNext()) throw new NoSuchElementException(); int 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(); } } }