Submission #1152684

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1152684	2025-02-18 09:07:51	thelegendary08	Geometrija (COCI21_geometrija)	C++17	0 / 110	4 ms	320 KiB

geometrija

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#include<bits/stdc++.h>
#define f0r(i,n) for(int i = 0; i<n; i++)
#define pb push_back
#define vi vector<long long int>
#define ll long long int
#define mp make_pair
#define pii pair<ll,ll>
#define FOR(i, k, n) for(int i = k; i<n; i++)
const double pi = 3.14159265358979;
using namespace std;
double dir(pii a, pii b){
  double x = atan((b.second - a.second) / (b.first - a.first + 0.0));
  return x;
}
bool side(pii a, pii b, pii c){
  //cout<<dir(a,b)<<' '<<dir(a,c)<<'\n';
  return (c.second-a.second) * (b.first - a.first) - (c.first-a.first) * (b.second - a.second) > 0; 
}
bool intersect(pii a, pii b, pii c, pii d){
  if(min(a.first, b.first) > max(c.first, d.first) || min(c.first, d.first) > max(a.first, b.first) || min(a.second, b.second) > max(c.first, d.first) || min(c.second, d.second) > max(a.second, b.second))return 0;
  else if(side(a,b,c) == side(a,b,d))return 0;
  return 1;
}
int main(){
  int n; cin>>n;
  vector<pii> v;
  f0r(i,n){
    int a,b;
    cin>>a>>b;
    v.pb({a,b});
 
 
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• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60