#67092 (Java) No.325 マンハッタン距離2

• 問題: No.325 マンハッタン距離2
• ユーザー: Grenache
• 提出日時: 2015-12-19 20:34:17
• 言語: Java (openjdk 23)
• 結果: AC
• 実行時間: 55 ms / 1,000 ms
• コード長: 3,107 bytes
• コンパイル時間: 3,900 ms
• コンパイル使用メモリ: 79,556 KB
• 実行使用メモリ: 50,660 KB
• 最終ジャッジ日時: 2024-09-17 10:47:41
• 合計ジャッジ時間: 5,664 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

ファイルパターン	結果
sample	AC * 3
other	AC * 24

ソースコード

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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Iterator;
public class Main_yukicoder325 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Printer pr = new Printer(System.out);
        long x1 = sc.nextInt();
        long y1 = sc.nextInt();
        long x2 = sc.nextInt();
        long y2 = sc.nextInt();
        long d = sc.nextInt();
        if (x1 > 0) {
            x2 -= x1;
            d -= x1;
            x1 -= x1;
        }
        if (y1 > 0) {
            y2 -= y1;
            d -= y1;
            y1 -= y1;
        }
        if (x2 < 0) {
            x1 -= x2;
            d -= Math.abs(x2);
            x2 -= x2;
        }
        if (y2 < 0) {
            y1 -= y2;
            d -= Math.abs(y2);
            y2 -= y2;
        }
        if (d < 0) {
            pr.println(0);
            pr.close();
            sc.close();
            return;
        }
        long ret = 0;
        ret += getArea(0, 0, Math.abs(x2), Math.abs(y2), d);
        ret += getArea(0, 0, Math.abs(x1), Math.abs(y2), d);
        ret += getArea(0, 0, Math.abs(x1), Math.abs(y1), d);
        ret += getArea(0, 0, Math.abs(x2), Math.abs(y1), d);
        ret -= getArea(0, 0, 0, Math.abs(y2), d);
        ret -= getArea(0, 0, Math.abs(x1), 0, d);
        ret -= getArea(0, 0, 0, Math.abs(y1), d);
        ret -= getArea(0, 0, Math.abs(x2), 0, d);
        pr.println(ret + 1);
        pr.close();
        sc.close();
    }
    private static long getArea(long x1, long y1, long x2, long y2, long d) {
        if (x2 + y2 <= d) {
            return (x2 + 1) * (y2 + 1);
        } if (x2 >= d && y2 >= d) {
            return (d + 1) * (d + 2) / 2;
        } if (x2 >= d) {
            return (d + 1) * (d + 2) / 2 - (d - y2) * (d - y2 + 1) / 2;
        } if (y2 >= d) {
            return (d + 1) * (d + 2) / 2 - (d - x2) * (d - x2 + 1) / 2;
        } else {
            return (x2 + 1) * (y2 + 1) - (x2 + y2 - d) * (x2 + y2 - d + 1) / 2;
        }
    }
    @SuppressWarnings("unused")
    private static class Scanner {
        BufferedReader br;
        Iterator<String> it;
        Scanner (InputStream in) {
            br = new BufferedReader(new InputStreamReader(in));
        }
        String next() throws RuntimeException  {
            try {
                if (it == null || !it.hasNext()) {
                    it = Arrays.asList(br.readLine().split(" ")).iterator();
                }
                return it.next();
            } catch (IOException e) {
                throw new IllegalStateException();
            }
        }
        int nextInt() throws RuntimeException {
            return Integer.parseInt(next());
        }
        long nextLong() throws RuntimeException {
            return Long.parseLong(next());
        }
        float nextFloat() throws RuntimeException {
            return Float.parseFloat(next());
        }
        double nextDouble() throws RuntimeException {
            return Double.parseDouble(next());
        }
        void close() {
            try {
                br.close();
            } catch (IOException e) {
//              throw new IllegalStateException();
            }
        }
    }
    private static class Printer extends PrintWriter {
        Printer(PrintStream out) {
            super(out);
        }
    }
}
 
 
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