Submission #111451
Source Code Expand
import java.util.*; class Main { public static void main (String[] args) throws java.lang.Exception { Scanner sc = new Scanner(System.in); double[][] x = new double[3][3]; double area, a1, a2, ang, ba, bc, x1, y1; x[0][0] = sc.nextDouble(); x[0][1] = sc.nextDouble(); x[1][0] = sc.nextDouble(); x[1][1] = sc.nextDouble(); x[2][0] = sc.nextDouble(); x[2][1] = sc.nextDouble(); /*A : (x[0][0], x[0][1]) B : (x[1][0], x[1][1]) C : (x[2][0], x[2][1])*/ x1 = x[0][0] - x[1][0]; y1 = x[0][1] - x[1][1]; a1 = Math.atan2(y1, x1); ba = Math.sqrt(x1 * x1 + y1 * y1); x1 = x[2][0] - x[1][0]; y1 = x[2][1] - x[1][1]; a2 = Math.atan2(y1, x1); bc = Math.sqrt(x1 * x1 + y1 * y1); ang = Math.abs(add(a1, -a2)); area = 0.5 * ba * bc * Math.sin(ang); System.out.println(area+0.0001); } static double add(double a, double b) { double x; x = a + b; if (x > Math.PI) x -= 2.0 * Math.PI; else if (x < -Math.PI) x += 2.0 * Math.PI; return x; } }
Submission Info
Submission Time | |
---|---|
Task | C - 直訴 |
User | R2D2S2 |
Language | Java (OpenJDK 1.7.0) |
Score | 100 |
Code Size | 1105 Byte |
Status | AC |
Exec Time | 536 ms |
Memory | 23556 KB |
Judge Result
Set Name | all | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
all | 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample_01.txt | AC | 506 ms | 23484 KB |
00_sample_02.txt | AC | 482 ms | 23468 KB |
00_sample_03.txt | AC | 485 ms | 23348 KB |
test_01.txt | AC | 486 ms | 23464 KB |
test_02.txt | AC | 492 ms | 23464 KB |
test_03.txt | AC | 489 ms | 23304 KB |
test_04.txt | AC | 491 ms | 23476 KB |
test_05.txt | AC | 489 ms | 23448 KB |
test_06.txt | AC | 484 ms | 23472 KB |
test_07.txt | AC | 514 ms | 23480 KB |
test_08.txt | AC | 482 ms | 23440 KB |
test_09.txt | AC | 484 ms | 23480 KB |
test_10.txt | AC | 482 ms | 23468 KB |
test_11.txt | AC | 483 ms | 23476 KB |
test_12.txt | AC | 484 ms | 23436 KB |
test_13.txt | AC | 483 ms | 23476 KB |
test_14.txt | AC | 486 ms | 23472 KB |
test_15.txt | AC | 492 ms | 23520 KB |
test_16.txt | AC | 483 ms | 23392 KB |
test_17.txt | AC | 495 ms | 23472 KB |
test_18.txt | AC | 487 ms | 23476 KB |
test_19.txt | AC | 487 ms | 23472 KB |
test_20.txt | AC | 490 ms | 23476 KB |
test_21.txt | AC | 490 ms | 23476 KB |
test_22.txt | AC | 484 ms | 23352 KB |
test_23.txt | AC | 481 ms | 23348 KB |
test_24.txt | AC | 494 ms | 23444 KB |
test_25.txt | AC | 484 ms | 23476 KB |
test_26.txt | AC | 486 ms | 23468 KB |
test_27.txt | AC | 488 ms | 23476 KB |
test_28.txt | AC | 487 ms | 23476 KB |
test_29.txt | AC | 491 ms | 23468 KB |
test_30.txt | AC | 536 ms | 23472 KB |
test_31.txt | AC | 494 ms | 23556 KB |
test_32.txt | AC | 490 ms | 23340 KB |
test_33.txt | AC | 477 ms | 23468 KB |
test_34.txt | AC | 480 ms | 23340 KB |
test_35.txt | AC | 482 ms | 23476 KB |
test_36.txt | AC | 482 ms | 23472 KB |
test_37.txt | AC | 485 ms | 23476 KB |
test_38.txt | AC | 489 ms | 23472 KB |
test_39.txt | AC | 481 ms | 23480 KB |
test_40.txt | AC | 472 ms | 23476 KB |
test_41.txt | AC | 474 ms | 23476 KB |
test_42.txt | AC | 487 ms | 23480 KB |
test_43.txt | AC | 494 ms | 23352 KB |
test_44.txt | AC | 485 ms | 23476 KB |
test_45.txt | AC | 492 ms | 23476 KB |
test_46.txt | AC | 494 ms | 23340 KB |
test_47.txt | AC | 475 ms | 23472 KB |
test_48.txt | AC | 475 ms | 23468 KB |
test_49.txt | AC | 484 ms | 23468 KB |
test_50.txt | AC | 508 ms | 23476 KB |
test_51.txt | AC | 490 ms | 23468 KB |
test_52.txt | AC | 480 ms | 23476 KB |
test_53.txt | AC | 481 ms | 23468 KB |
test_54.txt | AC | 478 ms | 23472 KB |
test_55.txt | AC | 481 ms | 23476 KB |
test_56.txt | AC | 485 ms | 23448 KB |
test_57.txt | AC | 485 ms | 23472 KB |
test_58.txt | AC | 483 ms | 23468 KB |
test_59.txt | AC | 487 ms | 23348 KB |
test_60.txt | AC | 483 ms | 23476 KB |
test_61.txt | AC | 502 ms | 23472 KB |
test_62.txt | AC | 482 ms | 23476 KB |
test_63.txt | AC | 492 ms | 23348 KB |
test_64.txt | AC | 498 ms | 23476 KB |
test_65.txt | AC | 493 ms | 23464 KB |
test_66.txt | AC | 486 ms | 23476 KB |
test_67.txt | AC | 486 ms | 23476 KB |
test_68.txt | AC | 489 ms | 23348 KB |
test_69.txt | AC | 485 ms | 23472 KB |