Submission #111867


Source Code Expand

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#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
using namespace std;
#define reps(i,b,n) for(int i = b ; i < (int)n ; ++i )
#define rep(i,n) reps(i,0,n)
#define dout(x,n) fixed << setprecision(n) << x
double dis(int x1,int y1,int x2,int y2){return sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));}
int main(){
  int xa,xb,xc,ya,yb,yc;
  cin >> xa >> ya >> xb >> yb >> xc >> yc;
  double a = dis(xa,ya,xb,yb);
  double b = dis(xa,ya,xc,yc);
  double c = dis(xb,yb,xc,yc);
  double s = ( a + b + c ) / 2;
  cout << dout(sqrt(s*(s-a)*(s-b)*(s-c)),3) << endl;

}

Submission Info

Submission Time
Task C - 直訴
User ei13333
Language C++ (G++ 4.6.4)
Score 100
Code Size 629 Byte
Status
Exec Time 28 ms
Memory 932 KB

Test Cases

Set Name Score / Max Score Test 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
Case Name Status Exec Time Memory
00_sample_01.txt 22 ms 808 KB
00_sample_02.txt 21 ms 928 KB
00_sample_03.txt 20 ms 804 KB
test_01.txt 21 ms 928 KB
test_02.txt 21 ms 680 KB
test_03.txt 21 ms 704 KB
test_04.txt 21 ms 808 KB
test_05.txt 19 ms 800 KB
test_06.txt 20 ms 756 KB
test_07.txt 20 ms 800 KB
test_08.txt 21 ms 804 KB
test_09.txt 21 ms 928 KB
test_10.txt 21 ms 804 KB
test_11.txt 21 ms 680 KB
test_12.txt 21 ms 804 KB
test_13.txt 22 ms 808 KB
test_14.txt 21 ms 680 KB
test_15.txt 21 ms 676 KB
test_16.txt 21 ms 680 KB
test_17.txt 21 ms 928 KB
test_18.txt 21 ms 680 KB
test_19.txt 21 ms 804 KB
test_20.txt 21 ms 680 KB
test_21.txt 21 ms 932 KB
test_22.txt 21 ms 812 KB
test_23.txt 21 ms 808 KB
test_24.txt 21 ms 680 KB
test_25.txt 21 ms 800 KB
test_26.txt 20 ms 804 KB
test_27.txt 21 ms 676 KB
test_28.txt 21 ms 680 KB
test_29.txt 20 ms 844 KB
test_30.txt 21 ms 680 KB
test_31.txt 21 ms 680 KB
test_32.txt 21 ms 800 KB
test_33.txt 21 ms 920 KB
test_34.txt 20 ms 800 KB
test_35.txt 23 ms 752 KB
test_36.txt 20 ms 680 KB
test_37.txt 21 ms 680 KB
test_38.txt 23 ms 756 KB
test_39.txt 21 ms 928 KB
test_40.txt 21 ms 804 KB
test_41.txt 21 ms 676 KB
test_42.txt 21 ms 676 KB
test_43.txt 28 ms 800 KB
test_44.txt 22 ms 804 KB
test_45.txt 22 ms 796 KB
test_46.txt 21 ms 676 KB
test_47.txt 22 ms 800 KB
test_48.txt 22 ms 680 KB
test_49.txt 20 ms 796 KB
test_50.txt 20 ms 804 KB
test_51.txt 19 ms 804 KB
test_52.txt 23 ms 800 KB
test_53.txt 20 ms 800 KB
test_54.txt 22 ms 680 KB
test_55.txt 20 ms 796 KB
test_56.txt 22 ms 680 KB
test_57.txt 21 ms 804 KB
test_58.txt 21 ms 680 KB
test_59.txt 21 ms 796 KB
test_60.txt 21 ms 740 KB
test_61.txt 21 ms 808 KB
test_62.txt 21 ms 804 KB
test_63.txt 20 ms 800 KB
test_64.txt 21 ms 732 KB
test_65.txt 22 ms 736 KB
test_66.txt 21 ms 924 KB
test_67.txt 21 ms 680 KB
test_68.txt 20 ms 676 KB
test_69.txt 21 ms 676 KB