結果
問題 | No.63 ポッキーゲーム |
ユーザー |
![]() |
提出日時 | 2020-05-18 01:54:50 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 55 ms / 5,000 ms |
コード長 | 2,330 bytes |
コンパイル時間 | 2,460 ms |
コンパイル使用メモリ | 77,628 KB |
実行使用メモリ | 36,924 KB |
最終ジャッジ日時 | 2024-10-01 18:03:43 |
合計ジャッジ時間 | 4,783 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
ソースコード
package No63;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.util.NoSuchElementException;public class Main {static FastScanner in = new FastScanner(System.in);static PrintWriter out = new PrintWriter(System.out);static int L, K;public static void main(String[] args) {L = in.nextInt();K = in.nextInt();int count = L / (K*2);if(L % (K*2) == 0) count--;out.println(count*K);out.close();}static class FastScanner {private InputStream in = null;private final byte[] buffer = new byte[1024];private int ptr = 0;private int buflen = 0;FastScanner(InputStream inStream) {in = inStream;}private boolean hasNextByte() {if (ptr < buflen) {return true;} else {ptr = 0;try {buflen = in.read(buffer);} catch (IOException e) {e.printStackTrace();}if (buflen <= 0) {return false;}}return true;}private int readByte() {if (hasNextByte())return buffer[ptr++];elsereturn -1;}private static boolean isPrintableChar(int c) {return 33 <= c && c <= 126;}public boolean hasNext() {while (hasNextByte() && !isPrintableChar(buffer[ptr]))ptr++;return hasNextByte();}public String next() {if (!hasNext())throw new NoSuchElementException();StringBuilder sb = new StringBuilder();int b = readByte();while (isPrintableChar(b)) {sb.appendCodePoint(b);b = readByte();}return sb.toString();}public long nextLong() {if (!hasNext())throw new NoSuchElementException();long n = 0;boolean minus = false;int b = readByte();if (b == '-') {minus = true;b = readByte();}if (b < '0' || '9' < b) {throw new NumberFormatException();}while (true) {if ('0' <= b && b <= '9') {n *= 10;n += b - '0';} else if (b == -1 || !isPrintableChar(b)) {return minus ? -n : n;} else {throw new NumberFormatException();}b = readByte();}}public int nextInt() {long nl = nextLong();if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)throw new NumberFormatException();return (int) nl;}public double nextDouble() {return Double.parseDouble(next());}}}