結果
問題 | No.737 PopCount |
ユーザー | hiromi_ayase |
提出日時 | 2018-09-29 04:19:44 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 82 ms / 1,000 ms |
コード長 | 4,026 bytes |
コンパイル時間 | 2,543 ms |
コンパイル使用メモリ | 81,892 KB |
実行使用メモリ | 51,284 KB |
最終ジャッジ日時 | 2024-10-12 08:00:17 |
合計ジャッジ時間 | 4,724 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 78 ms
50,980 KB |
testcase_01 | AC | 77 ms
51,228 KB |
testcase_02 | AC | 80 ms
51,204 KB |
testcase_03 | AC | 79 ms
51,268 KB |
testcase_04 | AC | 79 ms
51,256 KB |
testcase_05 | AC | 80 ms
51,284 KB |
testcase_06 | AC | 79 ms
50,972 KB |
testcase_07 | AC | 79 ms
51,272 KB |
testcase_08 | AC | 78 ms
50,900 KB |
testcase_09 | AC | 79 ms
51,220 KB |
testcase_10 | AC | 78 ms
51,236 KB |
testcase_11 | AC | 78 ms
51,052 KB |
testcase_12 | AC | 77 ms
51,240 KB |
testcase_13 | AC | 78 ms
50,836 KB |
testcase_14 | AC | 79 ms
50,864 KB |
testcase_15 | AC | 82 ms
51,228 KB |
testcase_16 | AC | 81 ms
51,036 KB |
testcase_17 | AC | 79 ms
51,204 KB |
ソースコード
public class Main { private static void solve() { long n = nl(); //dp[i桁目][j個1があった][0:ぎりぎり] = xの総和 long[][][] dp = new long[64][64][2]; //dp[i桁目][j個1があった][0:ぎりぎり] = 組み合わせ long[][][] dp2 = new long[64][64][2]; dp2[63][0][0] = 1; int mod = 1000000000 + 7; for (int i = 62; i >= 0; i --) { long b = (n >> i) & 1; for (int j = 0; j < 63; j ++) { if (b == 0) { dp2[i][j][0] += dp2[i + 1][j][0]; //0 dp2[i][j][1] += dp2[i + 1][j][1]; //0 dp[i][j][0] += dp[i + 1][j][0] << 1; //0 dp[i][j][1] += dp[i + 1][j][1] << 1; //0 if (j > 0) { dp2[i][j][1] += dp2[i + 1][j - 1][1]; //1 dp[i][j][1] += (dp[i + 1][j - 1][1] << 1) + dp2[i + 1][j - 1][1]; //1 } } else { if (j > 0) { dp2[i][j][0] += dp2[i + 1][j - 1][0]; //1 dp2[i][j][1] += dp2[i + 1][j - 1][1]; //1 dp[i][j][0] += (dp[i + 1][j - 1][0] << 1) + dp2[i + 1][j - 1][0]; //1 dp[i][j][1] += (dp[i + 1][j - 1][1] << 1) + dp2[i + 1][j - 1][1]; //1 } dp[i][j][1] += dp[i + 1][j][0] << 1; //0 dp[i][j][1] += dp[i + 1][j][1] << 1; //0 dp2[i][j][1] += dp2[i + 1][j][0]; //0 dp2[i][j][1] += dp2[i + 1][j][1]; //0 } dp[i][j][0] %= mod; dp[i][j][1] %= mod; dp2[i][j][0] %= mod; dp2[i][j][1] %= mod; } } long ret = 0; for (int j = 0; j < 63; j ++) { ret += dp[0][j][0] * j; ret += dp[0][j][1] * j; ret %= mod; } System.out.println(ret); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public 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)); } }