結果
問題 | No.2060 AND Sequence |
ユーザー |
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提出日時 | 2022-08-27 00:43:48 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 78 ms / 2,000 ms |
コード長 | 3,016 bytes |
コンパイル時間 | 3,348 ms |
コンパイル使用メモリ | 90,004 KB |
実行使用メモリ | 38,336 KB |
最終ジャッジ日時 | 2024-10-14 01:22:20 |
合計ジャッジ時間 | 7,887 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 43 |
ソースコード
import java.util.*;@SuppressWarnings("unused")public class Main {private static void solve() {int n = ni();int m = ni();int mod = 998244353;int k = 0;while ((m >> k) > 0) k ++;long[][] dp = new long[k + 1][2];dp[k][0] = 1;for (int i = k - 1; i >= 0; i --) {int b = m >> i & 1;if (b == 0) {dp[i][0] += dp[i + 1][0];dp[i][1] += dp[i + 1][1] * (n + 1) % mod;} else {dp[i][0] += dp[i + 1][0] * n;dp[i][1] += dp[i + 1][1] * (n + 1) % mod + dp[i + 1][0];}dp[i][0] %= mod;dp[i][1] %= mod;}System.out.println((dp[0][0] + dp[0][1]) % mod);}public static void main(String[] args) {new Thread(null, new Runnable() {@Overridepublic void run() {long start = System.currentTimeMillis();String debug = args.length > 0 ? args[0] : null;if (debug != null) {try {is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));} catch (Exception e) {throw new RuntimeException(e);}}reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);solve();out.flush();tr((System.currentTimeMillis() - start) + "ms");}}, "", 64000000).start();}private static java.io.InputStream is = System.in;private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);private static java.util.StringTokenizer tokenizer = null;private static java.io.BufferedReader reader;public static String next() {while (tokenizer == null || !tokenizer.hasMoreTokens()) {try {tokenizer = new java.util.StringTokenizer(reader.readLine());} catch (Exception e) {throw new RuntimeException(e);}}return tokenizer.nextToken();}private static double nd() {return Double.parseDouble(next());}private static long nl() {return Long.parseLong(next());}private static int[] na(int n) {int[] a = new int[n];for (int i = 0; i < n; i++)a[i] = ni();return a;}private static char[] ns() {return next().toCharArray();}private static long[] nal(int n) {long[] a = new long[n];for (int i = 0; i < n; i++)a[i] = nl();return a;}private static int[][] ntable(int n, int m) {int[][] table = new int[n][m];for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++) {table[i][j] = ni();}}return table;}private static int[][] nlist(int n, int m) {int[][] table = new int[m][n];for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++) {table[j][i] = ni();}}return table;}private static int ni() {return Integer.parseInt(next());}private static void tr(Object... o) {if (is != System.in)System.out.println(java.util.Arrays.deepToString(o));}}