AtCoder Beginner Contest 002

Submission #225483

Source codeソースコード

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Triangle tri = new Triangle(new Point(scan.nextInt(), scan.nextInt()),
                new Point(scan.nextInt(), scan.nextInt()), new Point(scan.nextInt(), scan.nextInt()));
        scan.close();
        System.out.println(tri.getArea());
    }

    private static class Point {
        private int x;
        private int y;

        public Point(int x, int y) {
            this.x = x;
            this.y = y;
        }

        public int getX() {
            return x;
        }

        public int getY() {
            return y;
        }
    }

    private static class Triangle {
        Point a;
        Point b;
        Point c;

        public Triangle(Point a, Point b, Point c) {
            this.a = a;
            this.b = b;
            this.c = c;
        }

        /**
         * 三角形の面積 = (X最大値 - X最小値) * (Y最大値 - Y最小値) - 対象でない部分の面積<br/>
         * を解釈すると area = |Xa(Yb-Yc) + Xb(Yc-Ya) + Xc(Ya-Yb)|/2
         * 
         * @return
         */
        public double getArea() {
            return (double) Math.abs(a.getX() * (b.getY() - c.getY()) + b.getX() * (c.getY() - a.getY()) + c.getX()
                    * (a.getY() - b.getY())) / 2;
        }
    }
}

Submission

Task問題 C - 直訴
User nameユーザ名 penguinAAA
Created time投稿日時
Language言語 Java (OpenJDK 1.7.0)
Status状態 AC
Score得点 100
Source lengthソースコード長 1445 Byte
File nameファイル名
Exec time実行時間 467 ms
Memory usageメモリ使用量 21548 KB

Test case

Set

Set name Score得点 / Max score Cases
all 100 / 100 00_sample_01.txt,00_sample_02.txt,00_sample_03.txt,test_01.txt,test_02.txt,test_03.txt,test_04.txt,test_05.txt,test_06.txt,test_07.txt,test_08.txt,test_09.txt,test_10.txt,test_11.txt,test_12.txt,test_13.txt,test_14.txt,test_15.txt,test_16.txt,test_17.txt,test_18.txt,test_19.txt,test_20.txt,test_21.txt,test_22.txt,test_23.txt,test_24.txt,test_25.txt,test_26.txt,test_27.txt,test_28.txt,test_29.txt,test_30.txt,test_31.txt,test_32.txt,test_33.txt,test_34.txt,test_35.txt,test_36.txt,test_37.txt,test_38.txt,test_39.txt,test_40.txt,test_41.txt,test_42.txt,test_43.txt,test_44.txt,test_45.txt,test_46.txt,test_47.txt,test_48.txt,test_49.txt,test_50.txt,test_51.txt,test_52.txt,test_53.txt,test_54.txt,test_55.txt,test_56.txt,test_57.txt,test_58.txt,test_59.txt,test_60.txt,test_61.txt,test_62.txt,test_63.txt,test_64.txt,test_65.txt,test_66.txt,test_67.txt,test_68.txt,test_69.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_sample_01.txt AC 375 ms 21424 KB
00_sample_02.txt AC 376 ms 21424 KB
00_sample_03.txt AC 374 ms 21296 KB
test_01.txt AC 373 ms 21424 KB
test_02.txt AC 373 ms 21424 KB
test_03.txt AC 408 ms 21420 KB
test_04.txt AC 377 ms 21424 KB
test_05.txt AC 372 ms 21416 KB
test_06.txt AC 377 ms 21420 KB
test_07.txt AC 382 ms 21548 KB
test_08.txt AC 374 ms 21412 KB
test_09.txt AC 380 ms 21412 KB
test_10.txt AC 379 ms 21296 KB
test_11.txt AC 377 ms 21420 KB
test_12.txt AC 381 ms 21296 KB
test_13.txt AC 374 ms 21296 KB
test_14.txt AC 374 ms 21296 KB
test_15.txt AC 376 ms 21416 KB
test_16.txt AC 376 ms 21424 KB
test_17.txt AC 377 ms 21544 KB
test_18.txt AC 377 ms 21424 KB
test_19.txt AC 375 ms 21424 KB
test_20.txt AC 373 ms 21412 KB
test_21.txt AC 379 ms 21536 KB
test_22.txt AC 372 ms 21420 KB
test_23.txt AC 371 ms 21424 KB
test_24.txt AC 373 ms 21416 KB
test_25.txt AC 372 ms 21548 KB
test_26.txt AC 372 ms 21412 KB
test_27.txt AC 383 ms 21424 KB
test_28.txt AC 379 ms 21408 KB
test_29.txt AC 372 ms 21384 KB
test_30.txt AC 376 ms 21292 KB
test_31.txt AC 374 ms 21424 KB
test_32.txt AC 378 ms 21424 KB
test_33.txt AC 376 ms 21412 KB
test_34.txt AC 374 ms 21380 KB
test_35.txt AC 383 ms 21516 KB
test_36.txt AC 373 ms 21292 KB
test_37.txt AC 373 ms 21388 KB
test_38.txt AC 374 ms 21516 KB
test_39.txt AC 374 ms 21428 KB
test_40.txt AC 379 ms 21416 KB
test_41.txt AC 381 ms 21416 KB
test_42.txt AC 370 ms 21424 KB
test_43.txt AC 372 ms 21408 KB
test_44.txt AC 372 ms 21424 KB
test_45.txt AC 370 ms 21420 KB
test_46.txt AC 378 ms 21304 KB
test_47.txt AC 377 ms 21408 KB
test_48.txt AC 371 ms 21296 KB
test_49.txt AC 370 ms 21424 KB
test_50.txt AC 369 ms 21416 KB
test_51.txt AC 374 ms 21424 KB
test_52.txt AC 374 ms 21388 KB
test_53.txt AC 371 ms 21420 KB
test_54.txt AC 373 ms 21416 KB
test_55.txt AC 377 ms 21420 KB
test_56.txt AC 467 ms 21388 KB
test_57.txt AC 392 ms 21424 KB
test_58.txt AC 369 ms 21296 KB
test_59.txt AC 383 ms 21296 KB
test_60.txt AC 373 ms 21400 KB
test_61.txt AC 379 ms 21388 KB
test_62.txt AC 379 ms 21420 KB
test_63.txt AC 377 ms 21412 KB
test_64.txt AC 378 ms 21420 KB
test_65.txt AC 376 ms 21412 KB
test_66.txt AC 374 ms 21416 KB
test_67.txt AC 374 ms 21416 KB
test_68.txt AC 380 ms 21416 KB
test_69.txt AC 376 ms 21400 KB