結果
問題 | No.1465 Archaea |
ユーザー | threepipes_s |
提出日時 | 2021-04-02 22:10:27 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 54 ms / 2,000 ms |
コード長 | 2,555 bytes |
コンパイル時間 | 4,202 ms |
コンパイル使用メモリ | 75,936 KB |
実行使用メモリ | 51,288 KB |
最終ジャッジ日時 | 2023-08-25 16:16:51 |
合計ジャッジ時間 | 5,476 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge12 |
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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 | 36 ms
49,720 KB |
testcase_01 | AC | 36 ms
49,272 KB |
testcase_02 | AC | 36 ms
49,260 KB |
testcase_03 | AC | 36 ms
49,192 KB |
testcase_04 | AC | 39 ms
49,224 KB |
testcase_05 | AC | 40 ms
49,548 KB |
testcase_06 | AC | 40 ms
47,148 KB |
testcase_07 | AC | 44 ms
49,356 KB |
testcase_08 | AC | 38 ms
49,404 KB |
testcase_09 | AC | 44 ms
49,580 KB |
testcase_10 | AC | 39 ms
49,216 KB |
testcase_11 | AC | 43 ms
49,312 KB |
testcase_12 | AC | 37 ms
49,720 KB |
testcase_13 | AC | 47 ms
49,460 KB |
testcase_14 | AC | 41 ms
49,528 KB |
testcase_15 | AC | 38 ms
49,300 KB |
testcase_16 | AC | 38 ms
49,260 KB |
testcase_17 | AC | 48 ms
49,676 KB |
testcase_18 | AC | 39 ms
49,260 KB |
testcase_19 | AC | 41 ms
49,272 KB |
testcase_20 | AC | 45 ms
49,392 KB |
testcase_21 | AC | 54 ms
50,936 KB |
testcase_22 | AC | 53 ms
51,288 KB |
testcase_23 | AC | 39 ms
49,264 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[] dp = new int[n + 1]; Arrays.fill(dp, Integer.MAX_VALUE); dp[1] = 0; for (int i = 1; i < n; i++) { if (dp[i] >= k) continue; if (i * 2 <= n) dp[i * 2] = Math.min(dp[i * 2], dp[i] + 1); if (i + 3 <= n) dp[i + 3] = Math.min(dp[i + 3], dp[i] + 1); } System.out.println(dp[n] <= k ? "YES" : "NO"); } } 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();} }