結果
問題 | No.320 眠れない夜に |
ユーザー |
|
提出日時 | 2015-12-13 00:21:52 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,997 bytes |
コンパイル時間 | 3,610 ms |
コンパイル使用メモリ | 78,572 KB |
実行使用メモリ | 37,180 KB |
最終ジャッジ日時 | 2024-09-15 08:57:13 |
合計ジャッジ時間 | 6,440 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 25 WA * 6 |
ソースコード
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Iterator; public class Main_yukicoder320 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Printer pr = new Printer(System.out); int n = sc.nextInt(); long m = sc.nextLong(); long[] a = new long[80 + 1]; a[1] = 1; a[2] = 1; for (int i = 3; i <= n; i++) { a[i] = a[i - 1] + a[i - 2]; } long diff = a[n] - m; int cnt = 0; for (int i = 0; i < n; i++) { if (diff - a[n - i] >= 0) { diff -= a[n - i]; cnt++; } } if (diff != 0) { pr.println(-1); } else { pr.println(cnt); } pr.close(); sc.close(); } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Iterator<String> it; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } String next() throws RuntimeException { try { if (it == null || !it.hasNext()) { it = Arrays.asList(br.readLine().split(" ")).iterator(); } return it.next(); } catch (IOException e) { throw new IllegalStateException(); } } int nextInt() throws RuntimeException { return Integer.parseInt(next()); } long nextLong() throws RuntimeException { return Long.parseLong(next()); } float nextFloat() throws RuntimeException { return Float.parseFloat(next()); } double nextDouble() throws RuntimeException { return Double.parseDouble(next()); } void close() { try { br.close(); } catch (IOException e) { // throw new IllegalStateException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }