結果
| 問題 | No.546 オンリー・ワン |
| ユーザー |
 Grenache
|
| 提出日時 | 2017-07-15 00:39:45 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 54 ms / 2,000 ms |
| コード長 | 4,664 bytes |
| コンパイル時間 | 3,899 ms |
| コンパイル使用メモリ | 78,240 KB |
| 実行使用メモリ | 50,508 KB |
| 最終ジャッジ日時 | 2024-10-08 00:25:21 |
| 合計ジャッジ時間 | 4,810 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 7 |
ソースコード
import java.io.*;import java.util.*;public class Main_yukicoder546 {private static Scanner sc;private static Printer pr;private static void solve() {int n = sc.nextInt();int l = sc.nextInt();int h = sc.nextInt();int[] c = new int[n];for (int i = 0; i < n; i++) {c[i] = sc.nextInt();}pr.println(cnt(h, c) - cnt(l - 1, c));}private static long cnt(int h, int[] c) {int n = c.length;long ret2 = 0;out:for (int i = 1; i < 0x1 << n; i++) {long d = 1;for (int j = 0; j < n; j++) {if ((i & 0x1 << j) != 0) {d = lcm(d, c[j]);if (d > h) {continue out;}}}int sign = Integer.bitCount(i) % 2 == 1 ? 1 : -1;ret2 += h / d * sign * Integer.bitCount(i);}return ret2;}private static long lcm(long n, long m) {return n / gcd(n, m) * m;}private static long gcd(long n, long m) {if (m == 0) {return n;} else {return gcd(m, n % m);}}// ---------------------------------------------------public static void main(String[] args) {sc = new Scanner(System.in);pr = new Printer(System.out);solve();pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}private boolean isPrintable(int ch) {return ch >= '!' && ch <= '~';}private boolean isCRLF(int ch) {return ch == '\n' || ch == '\r' || ch == -1;}private int nextPrintable() {try {int ch;while (!isPrintable(ch = br.read())) {if (ch == -1) {throw new NoSuchElementException();}}return ch;} catch (IOException e) {throw new NoSuchElementException();}}String next() {try {int ch = nextPrintable();StringBuilder sb = new StringBuilder();do {sb.appendCodePoint(ch);} while (isPrintable(ch = br.read()));return sb.toString();} catch (IOException e) {throw new NoSuchElementException();}}int nextInt() {try {// parseInt from Integer.parseInt()boolean negative = false;int res = 0;int limit = -Integer.MAX_VALUE;int radix = 10;int fc = nextPrintable();if (fc < '0') {if (fc == '-') {negative = true;limit = Integer.MIN_VALUE;} else if (fc != '+') {throw new NumberFormatException();}fc = br.read();}int multmin = limit / radix;int ch = fc;do {int digit = ch - '0';if (digit < 0 || digit >= radix) {throw new NumberFormatException();}if (res < multmin) {throw new NumberFormatException();}res *= radix;if (res < limit + digit) {throw new NumberFormatException();}res -= digit;} while (isPrintable(ch = br.read()));return negative ? res : -res;} catch (IOException e) {throw new NoSuchElementException();}}long nextLong() {try {// parseLong from Long.parseLong()boolean negative = false;long res = 0;long limit = -Long.MAX_VALUE;int radix = 10;int fc = nextPrintable();if (fc < '0') {if (fc == '-') {negative = true;limit = Long.MIN_VALUE;} else if (fc != '+') {throw new NumberFormatException();}fc = br.read();}long multmin = limit / radix;int ch = fc;do {int digit = ch - '0';if (digit < 0 || digit >= radix) {throw new NumberFormatException();}if (res < multmin) {throw new NumberFormatException();}res *= radix;if (res < limit + digit) {throw new NumberFormatException();}res -= digit;} while (isPrintable(ch = br.read()));return negative ? res : -res;} catch (IOException e) {throw new NoSuchElementException();}}float nextFloat() {return Float.parseFloat(next());}double nextDouble() {return Double.parseDouble(next());}String nextLine() {try {int ch;while (isCRLF(ch = br.read())) {if (ch == -1) {throw new NoSuchElementException();}}StringBuilder sb = new StringBuilder();do {sb.appendCodePoint(ch);} while (!isCRLF(ch = br.read()));return sb.toString();} catch (IOException e) {throw new NoSuchElementException();}}void close() {try {br.close();} catch (IOException e) {// throw new NoSuchElementException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}