Submission #110795


Source Code Expand

#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <deque>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cctype>
#include <cstring>
#include <ctime>
#include <iterator>
#include <bitset>
#include <numeric>
#include <list>
#include <iomanip>
using namespace std;


typedef long long LL;
typedef pair<int,int> pii;
typedef pair<LL,LL> pll;

typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef vector<long long> vll, vLL;
typedef vector<vector<long long> > vvll, vvLL;

#define VV(T) vector<vector< T > >

template <class T>
void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){
	v.assign(a, vector<T>(b, t));
}

template <class F, class T>
void convert(const F &f, T &t){
	stringstream ss;
	ss << f;
	ss >> t;
}


#define REP(i,n) for(int i=0;i<int(n);++i)
#define ALL(v) (v).begin(),(v).end()
#define RALL(v) (v).rbegin(),(v).rend()
#define PB push_back


#define MOD 1000000009LL
#define EPS 1e-8



int main(){
	double x[3], y[3];
	for(int i = 0; i < 3; ++i){
		cin >> x[i] >> y[i];
	}
	double s = 0.0;
	for(int i = 0; i < 3; ++i){
		s += x[i] * (y[(i + 1) % 3] - y[(i + 2) % 3]);
	}
	printf("%f\n", 0.5 * abs(s));
}

Submission Info

Submission Time
Task C - 直訴
User climpet
Language C++ (G++ 4.6.4)
Score 100
Code Size 1477 Byte
Status AC
Exec Time 29 ms
Memory 936 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 21 ms 928 KB
00_sample_02.txt AC 20 ms 804 KB
00_sample_03.txt AC 21 ms 808 KB
test_01.txt AC 21 ms 804 KB
test_02.txt AC 21 ms 804 KB
test_03.txt AC 21 ms 804 KB
test_04.txt AC 21 ms 676 KB
test_05.txt AC 21 ms 800 KB
test_06.txt AC 20 ms 932 KB
test_07.txt AC 21 ms 928 KB
test_08.txt AC 21 ms 808 KB
test_09.txt AC 21 ms 680 KB
test_10.txt AC 20 ms 676 KB
test_11.txt AC 21 ms 804 KB
test_12.txt AC 21 ms 804 KB
test_13.txt AC 21 ms 804 KB
test_14.txt AC 20 ms 804 KB
test_15.txt AC 21 ms 808 KB
test_16.txt AC 21 ms 804 KB
test_17.txt AC 21 ms 808 KB
test_18.txt AC 20 ms 928 KB
test_19.txt AC 21 ms 808 KB
test_20.txt AC 20 ms 804 KB
test_21.txt AC 20 ms 932 KB
test_22.txt AC 21 ms 928 KB
test_23.txt AC 20 ms 804 KB
test_24.txt AC 21 ms 804 KB
test_25.txt AC 29 ms 800 KB
test_26.txt AC 21 ms 808 KB
test_27.txt AC 21 ms 924 KB
test_28.txt AC 21 ms 804 KB
test_29.txt AC 20 ms 932 KB
test_30.txt AC 24 ms 800 KB
test_31.txt AC 21 ms 928 KB
test_32.txt AC 20 ms 680 KB
test_33.txt AC 21 ms 804 KB
test_34.txt AC 21 ms 800 KB
test_35.txt AC 21 ms 680 KB
test_36.txt AC 21 ms 808 KB
test_37.txt AC 21 ms 936 KB
test_38.txt AC 20 ms 804 KB
test_39.txt AC 21 ms 680 KB
test_40.txt AC 20 ms 936 KB
test_41.txt AC 20 ms 800 KB
test_42.txt AC 21 ms 804 KB
test_43.txt AC 21 ms 804 KB
test_44.txt AC 21 ms 804 KB
test_45.txt AC 20 ms 804 KB
test_46.txt AC 20 ms 808 KB
test_47.txt AC 21 ms 808 KB
test_48.txt AC 21 ms 740 KB
test_49.txt AC 20 ms 804 KB
test_50.txt AC 21 ms 928 KB
test_51.txt AC 20 ms 808 KB
test_52.txt AC 21 ms 800 KB
test_53.txt AC 21 ms 808 KB
test_54.txt AC 21 ms 804 KB
test_55.txt AC 21 ms 804 KB
test_56.txt AC 20 ms 932 KB
test_57.txt AC 20 ms 808 KB
test_58.txt AC 20 ms 800 KB
test_59.txt AC 21 ms 808 KB
test_60.txt AC 20 ms 800 KB
test_61.txt AC 21 ms 680 KB
test_62.txt AC 20 ms 680 KB
test_63.txt AC 20 ms 760 KB
test_64.txt AC 21 ms 808 KB
test_65.txt AC 21 ms 724 KB
test_66.txt AC 21 ms 924 KB
test_67.txt AC 21 ms 932 KB
test_68.txt AC 21 ms 928 KB
test_69.txt AC 21 ms 808 KB