結果
問題 | No.123 カードシャッフル |
ユーザー |
|
提出日時 | 2015-09-23 20:43:47 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 175 ms / 5,000 ms |
コード長 | 1,851 bytes |
コンパイル時間 | 3,631 ms |
コンパイル使用メモリ | 78,944 KB |
実行使用メモリ | 60,520 KB |
最終ジャッジ日時 | 2024-07-19 08:52:12 |
合計ジャッジ時間 | 5,055 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 10 |
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_yukicoder123 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Printer pr = new Printer(System.out);int n = sc.nextInt();int m = sc.nextInt();int[] a = new int[m];for (int i = 0; i < m; i++) {a[i] = sc.nextInt();}int p = 1;for (int i = m - 1; i >= 0; i--) {if (p == 1) {p = a[i];} else if (p <= a[i]) {p--;}}pr.println(p);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);}}}