結果
問題 | No.1084 積の積 |
ユーザー | hiromi_ayase |
提出日時 | 2020-06-20 05:30:55 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 322 ms / 2,000 ms |
コード長 | 3,416 bytes |
コンパイル時間 | 3,294 ms |
コンパイル使用メモリ | 82,496 KB |
実行使用メモリ | 58,876 KB |
最終ジャッジ日時 | 2024-07-03 16:41:44 |
合計ジャッジ時間 | 10,758 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 76 ms
50,908 KB |
testcase_01 | AC | 76 ms
51,264 KB |
testcase_02 | AC | 76 ms
51,408 KB |
testcase_03 | AC | 75 ms
51,100 KB |
testcase_04 | AC | 322 ms
58,876 KB |
testcase_05 | AC | 202 ms
56,352 KB |
testcase_06 | AC | 314 ms
58,640 KB |
testcase_07 | AC | 76 ms
50,856 KB |
testcase_08 | AC | 76 ms
51,300 KB |
testcase_09 | AC | 230 ms
58,080 KB |
testcase_10 | AC | 76 ms
51,336 KB |
testcase_11 | AC | 112 ms
52,396 KB |
testcase_12 | AC | 223 ms
56,928 KB |
testcase_13 | AC | 244 ms
58,188 KB |
testcase_14 | AC | 204 ms
56,648 KB |
testcase_15 | AC | 197 ms
56,932 KB |
testcase_16 | AC | 272 ms
58,432 KB |
testcase_17 | AC | 223 ms
56,780 KB |
testcase_18 | AC | 226 ms
56,416 KB |
testcase_19 | AC | 228 ms
57,672 KB |
testcase_20 | AC | 175 ms
56,176 KB |
testcase_21 | AC | 202 ms
56,960 KB |
testcase_22 | AC | 190 ms
56,056 KB |
testcase_23 | AC | 242 ms
56,828 KB |
testcase_24 | AC | 236 ms
57,048 KB |
testcase_25 | AC | 240 ms
58,192 KB |
testcase_26 | AC | 257 ms
56,904 KB |
testcase_27 | AC | 251 ms
56,592 KB |
testcase_28 | AC | 259 ms
56,636 KB |
testcase_29 | AC | 260 ms
57,008 KB |
testcase_30 | AC | 254 ms
56,652 KB |
testcase_31 | AC | 269 ms
56,776 KB |
ソースコード
import java.util.Arrays; public class Main { private static void solve() { int n = ni(); long[] a = nal(n); for (long v : a) { if (v == 0) { System.out.println(0); return; } } long x = 1; int right = 0; long[] b = new long[n + 1]; long[] c = new long[n + 1]; for (int left = 0; left < n; left++) { while (right < n && x * a[right] < (int) 1e9) { x *= a[right++]; } int v = right - left; b[left] = v; c[right]++; x /= a[left]; } long s = 0; long t = 0; long ret = 1; int mod = (int) 1e9 + 7; for (int i = 0; i < n; i++) { s += b[i]; t += 1 - c[i]; ret *= pow(a[i], s, mod); s -= t; ret %= mod; } System.out.println(ret); } private static long pow(long a, long n, long mod) { // a %= mod; long ret = 1; int x = 63 - Long.numberOfLeadingZeros(n); for (; x >= 0; x--) { ret = ret * ret % mod; if (n << 63 - x < 0) ret = ret * a % mod; } return 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)); } }