Submission #997321

#	Time	Username	Problem	Language	Result	Execution time	Memory
997321		yeediot	Portal (BOI24_portal)	C++17	1 / 100	0 ms	348 KiB

Main

#include <iostream>
using namespace std;

int main() {
	int n;
	cin >> n;
    if(n<=2){
         cout<<-1;
         return 0;
    }
	int x,y,xx,yy,xxx,yyy;
    cin>>x>>y>>xx>>yy>>xxx>>yyy;
    int dick=abs((xx-x)*(yyy-y)-(yy-y)*(xxx-x));
    cout<<(dick==0?-1:dick);
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 29
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35