#562484 (Java21) No.505 カードの数式2

• 問題: No.505 カードの数式2
• ユーザー: chocorusk
• 提出日時: 2020-10-04 12:54:44
• 言語: Java21 (openjdk 21)
• 結果: RE
• 実行時間: -
• コード長: 2,490 bytes
• コンパイル時間: 2,210 ms
• コンパイル使用メモリ: 76,776 KB
• 実行使用メモリ: 58,324 KB
• 最終ジャッジ日時: 2023-09-26 14:33:14
• 合計ジャッジ時間: 8,954 ms
• ジャッジサーバーID （参考情報）: judge15 / judge11

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	126 ms; 56,036 KB
testcase_01	AC	127 ms; 56,324 KB
testcase_02	AC	131 ms; 55,960 KB
testcase_03	AC	127 ms; 56,580 KB
testcase_04	RE	-
testcase_05	AC	126 ms; 55,872 KB
testcase_06	AC	128 ms; 55,736 KB
testcase_07	RE	-
testcase_08	AC	127 ms; 55,704 KB
testcase_09	RE	-
testcase_10	AC	127 ms; 55,988 KB
testcase_11	AC	123 ms; 55,480 KB
testcase_12	AC	125 ms; 55,692 KB
testcase_13	RE	-
testcase_14	AC	122 ms; 56,612 KB
testcase_15	AC	124 ms; 55,740 KB
testcase_16	RE	-
testcase_17	AC	128 ms; 56,052 KB
testcase_18	AC	132 ms; 56,348 KB
testcase_19	RE	-
testcase_20	AC	126 ms; 55,508 KB
testcase_21	RE	-
testcase_22	RE	-
testcase_23	RE	-
testcase_24	RE	-
testcase_25	RE	-
testcase_26	AC	129 ms; 55,684 KB
testcase_27	AC	129 ms; 55,712 KB
testcase_28	AC	129 ms; 55,740 KB
testcase_29	AC	127 ms; 56,348 KB
testcase_30	AC	127 ms; 55,668 KB
testcase_31	AC	127 ms; 54,132 KB

ソースコード

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		//FastScanner scanner=new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n=scanner.nextInt();
		long[] a=new long[n];
		for(int i=0; i<n; i++) {
			a[i]=scanner.nextLong();
		}
		long mn=a[0], mx=a[0];
		for(int i=1; i<n; i++) {
			long[] x= {mn+a[i], mn-a[i], mn*a[i], mn/a[i], mx+a[i], mx-a[i], mx*a[i], mx/a[i]};
			mn=Arrays.stream(x).min().getAsLong();
			mx=Arrays.stream(x).max().getAsLong();
		}
		out.println(mx);
		out.close();
		scanner.close();
	}
}

class FastScanner {
	private final InputStream in = System.in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	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++];
		else
			return -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());
	}
}