Submission #118775


Source Code Expand

#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;

int main(){
  //頂点A、B、Cの座標
  double ax,ay,bx,by,cx,cy;
  cin>>ax>>ay>>bx>>by>>cx>>cy;

  //頂点Aの座標を-ax,-ayして頂点Aを(0,0)として考えると
  //三角形の面積は |bx*cy-cx*by|/2 だから
  //頂点B,Cの座標をそれぞれ-ax,-ayだけ移動

  bx-=ax;
  cx-=ax;
  by-=ay;
  cy-=ay;

  double area;
  area=fabs(bx*cy-cx*by)/2;

  cout<<setprecision(1)<<fixed<<area<<endl;

  return 0;

}

Submission Info

Submission Time
Task C - 直訴
User skykatoki
Language C++ (GCC 4.4.7)
Score 100
Code Size 548 Byte
Status AC
Exec Time 30 ms
Memory 932 KB

Judge Result

Set Name all
Score / Max Score 100 / 100
Status
AC × 72
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 22 ms 808 KB
00_sample_02.txt AC 21 ms 804 KB
00_sample_03.txt AC 21 ms 804 KB
test_01.txt AC 22 ms 740 KB
test_02.txt AC 21 ms 740 KB
test_03.txt AC 21 ms 924 KB
test_04.txt AC 21 ms 800 KB
test_05.txt AC 21 ms 804 KB
test_06.txt AC 21 ms 800 KB
test_07.txt AC 21 ms 800 KB
test_08.txt AC 26 ms 752 KB
test_09.txt AC 21 ms 804 KB
test_10.txt AC 20 ms 804 KB
test_11.txt AC 21 ms 932 KB
test_12.txt AC 20 ms 804 KB
test_13.txt AC 21 ms 800 KB
test_14.txt AC 21 ms 804 KB
test_15.txt AC 22 ms 736 KB
test_16.txt AC 22 ms 800 KB
test_17.txt AC 21 ms 800 KB
test_18.txt AC 24 ms 800 KB
test_19.txt AC 22 ms 808 KB
test_20.txt AC 21 ms 928 KB
test_21.txt AC 21 ms 796 KB
test_22.txt AC 22 ms 808 KB
test_23.txt AC 21 ms 804 KB
test_24.txt AC 20 ms 932 KB
test_25.txt AC 20 ms 804 KB
test_26.txt AC 21 ms 800 KB
test_27.txt AC 21 ms 804 KB
test_28.txt AC 21 ms 928 KB
test_29.txt AC 21 ms 808 KB
test_30.txt AC 21 ms 768 KB
test_31.txt AC 24 ms 932 KB
test_32.txt AC 22 ms 788 KB
test_33.txt AC 21 ms 800 KB
test_34.txt AC 22 ms 676 KB
test_35.txt AC 26 ms 796 KB
test_36.txt AC 21 ms 800 KB
test_37.txt AC 22 ms 684 KB
test_38.txt AC 21 ms 808 KB
test_39.txt AC 21 ms 680 KB
test_40.txt AC 21 ms 800 KB
test_41.txt AC 20 ms 804 KB
test_42.txt AC 23 ms 772 KB
test_43.txt AC 21 ms 804 KB
test_44.txt AC 22 ms 812 KB
test_45.txt AC 20 ms 704 KB
test_46.txt AC 21 ms 740 KB
test_47.txt AC 30 ms 924 KB
test_48.txt AC 21 ms 804 KB
test_49.txt AC 22 ms 740 KB
test_50.txt AC 22 ms 804 KB
test_51.txt AC 21 ms 932 KB
test_52.txt AC 21 ms 804 KB
test_53.txt AC 21 ms 680 KB
test_54.txt AC 21 ms 804 KB
test_55.txt AC 21 ms 768 KB
test_56.txt AC 23 ms 752 KB
test_57.txt AC 21 ms 932 KB
test_58.txt AC 21 ms 932 KB
test_59.txt AC 21 ms 804 KB
test_60.txt AC 21 ms 764 KB
test_61.txt AC 21 ms 680 KB
test_62.txt AC 23 ms 784 KB
test_63.txt AC 21 ms 804 KB
test_64.txt AC 21 ms 732 KB
test_65.txt AC 21 ms 804 KB
test_66.txt AC 21 ms 804 KB
test_67.txt AC 21 ms 804 KB
test_68.txt AC 21 ms 916 KB
test_69.txt AC 23 ms 764 KB