제출 #997321

#제출 시각아이디문제언어결과실행 시간메모리
997321yeediotPortal (BOI24_portal)C++17
1 / 100
0 ms348 KiB
#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); }
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