結果

問題 No.601 Midpoint Erase
ユーザー GrenacheGrenache
提出日時 2017-12-02 21:32:14
言語 Java21
(openjdk 21)
結果
AC  
実行時間 169 ms / 2,000 ms
コード長 4,232 bytes
コンパイル時間 3,333 ms
コンパイル使用メモリ 77,848 KB
実行使用メモリ 39,736 KB
最終ジャッジ日時 2024-06-02 08:24:11
合計ジャッジ時間 6,425 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
（要ログイン）

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 47 ms
37,372 KB
testcase_01 AC 46 ms
37,272 KB
testcase_02 AC 46 ms
37,164 KB
testcase_03 AC 152 ms
39,696 KB
testcase_04 AC 153 ms
39,668 KB
testcase_05 AC 150 ms
39,544 KB
testcase_06 AC 123 ms
39,720 KB
testcase_07 AC 152 ms
39,380 KB
testcase_08 AC 150 ms
39,584 KB
testcase_09 AC 158 ms
39,668 KB
testcase_10 AC 110 ms
39,532 KB
testcase_11 AC 169 ms
39,736 KB
testcase_12 AC 148 ms
39,540 KB
testcase_13 AC 50 ms
37,068 KB
testcase_14 AC 48 ms
36,992 KB
testcase_15 AC 46 ms
37,240 KB
testcase_16 AC 47 ms
37,420 KB
testcase_17 AC 47 ms
37,144 KB
testcase_18 AC 47 ms
36,748 KB
testcase_19 AC 47 ms
36,752 KB
testcase_20 AC 47 ms
36,756 KB
testcase_21 AC 50 ms
36,992 KB
testcase_22 AC 48 ms
36,880 KB
testcase_23 AC 48 ms
37,068 KB
testcase_24 AC 49 ms
37,108 KB
testcase_25 AC 48 ms
36,608 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.*;
import java.util.*;


public class Main_yukicoder601 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int n = sc.nextInt();

		int[][] cnt = new int[2][2];

		for (int i = 0; i < n; i++) {
			int x = sc.nextInt();
			int y = sc.nextInt();

			cnt[x % 2][y % 2]++;
		}

		int ret = 0;
		for (int i = 0; i < 2; i++) {
			for (int j = 0; j < 2; j++) {
				ret += cnt[i][j] / 2;
			}
		}

		if (ret % 2 == 0) {
			pr.println("Bob");
		} else {
			pr.println("Alice");
		}
	}

	// ---------------------------------------------------
	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);
		}
	}
}
0