結果
問題 | No.1463 Hungry Kanten |
ユーザー | threepipes_s |
提出日時 | 2021-04-02 21:47:29 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,879 bytes |
コンパイル時間 | 2,595 ms |
コンパイル使用メモリ | 76,988 KB |
実行使用メモリ | 119,184 KB |
最終ジャッジ日時 | 2023-08-25 14:55:45 |
合計ジャッジ時間 | 12,032 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge14 |
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 | 45 ms
49,512 KB |
testcase_01 | AC | 45 ms
49,568 KB |
testcase_02 | AC | 232 ms
56,780 KB |
testcase_03 | AC | 1,308 ms
71,860 KB |
testcase_04 | AC | 48 ms
49,552 KB |
testcase_05 | TLE | - |
testcase_06 | AC | 46 ms
49,696 KB |
testcase_07 | AC | 47 ms
49,548 KB |
testcase_08 | AC | 51 ms
49,844 KB |
testcase_09 | AC | 47 ms
49,768 KB |
testcase_10 | AC | 66 ms
52,088 KB |
testcase_11 | AC | 77 ms
50,480 KB |
testcase_12 | AC | 102 ms
52,592 KB |
testcase_13 | AC | 76 ms
52,084 KB |
testcase_14 | AC | 157 ms
56,992 KB |
testcase_15 | AC | 89 ms
50,024 KB |
testcase_16 | AC | 230 ms
57,092 KB |
testcase_17 | AC | 385 ms
64,748 KB |
testcase_18 | AC | 217 ms
56,716 KB |
testcase_19 | AC | 1,172 ms
92,040 KB |
testcase_20 | AC | 1,584 ms
100,016 KB |
testcase_21 | AC | 88 ms
50,880 KB |
ソースコード
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.Closeable; import java.io.FileInputStream; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class Main { static ContestScanner in;static Writer out;static StringBuilder sb=new StringBuilder(); public static void main(String[] args) {try{in=new ContestScanner();out=new Writer();Main solve=new Main();solve.solve(); in.close();out.flush();out.close();}catch(IOException e){e.printStackTrace();}} void solve() throws NumberFormatException, IOException{ int n = in.nextInt(); int k = in.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = in.nextInt(); } final int max = 1 << n; HashSet<String> multset = new HashSet<>(); for (int i = 0; i < max; i++) { if (Integer.bitCount(i) < k) continue; int sum = 0; BigInteger bi = new BigInteger("1"); for (int j = 0; j < n; j++) { if ((i & (1 << j)) == 0) continue; sum += a[j]; bi = bi.multiply(new BigInteger(String.valueOf(a[j]))); } multset.add(String.valueOf(sum)); multset.add(bi.toString()); } System.out.println(multset.size()); } } class Writer extends PrintWriter{ public Writer(String filename)throws IOException {super(new BufferedWriter(new FileWriter(filename)));} public Writer()throws IOException{super(System.out);} } class ContestScanner implements Closeable{ private BufferedReader in;private int c=-2; public ContestScanner()throws IOException {in=new BufferedReader(new InputStreamReader(System.in));} public ContestScanner(String filename)throws IOException {in=new BufferedReader(new InputStreamReader(new FileInputStream(filename)));} public String nextToken()throws IOException { StringBuilder sb=new StringBuilder(); while((c=in.read())!=-1&&Character.isWhitespace(c)); while(c!=-1&&!Character.isWhitespace(c)){sb.append((char)c);c=in.read();} return sb.toString(); } public String readLine()throws IOException{ StringBuilder sb=new StringBuilder();if(c==-2)c=in.read(); while(c!=-1&&c!='\n'&&c!='\r'){sb.append((char)c);c=in.read();} return sb.toString(); } public long nextLong()throws IOException,NumberFormatException {return Long.parseLong(nextToken());} public int nextInt()throws NumberFormatException,IOException {return(int)nextLong();} public double nextDouble()throws NumberFormatException,IOException {return Double.parseDouble(nextToken());} public void close() throws IOException {in.close();} }