Submission #691443

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
691443	2023-01-31 07:15:47	Sohsoh84	Drawing (CEOI22_drawing)	C++17	100 / 100	260 ms	53328 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define all(x)      (x).begin(),(x).end()
#define X     first
#define Y     second
#define sep     ' '
#define endl      '\n'
#define debug(x)    cerr << #x << ": " <<  x << endl;
const ll MAXN = 1e6 + 10;
int n, sz = 0, ans[MAXN];
pair<pll, int> A[MAXN];
vector<int> vec, adj[MAXN];
inline ll Cross(pll x, pll y) {
  return 1ll * x.X * y.Y - 1ll * x.Y * y.X;
}
 
inline bool cmp(int i, int j) {
  return Cross(make_pair(A[0].X.X - A[i].X.X, A[0].X.Y - A[i].X.Y), 
      make_pair(A[0].X.X - A[j].X.X, A[0].X.Y - A[j].X.Y)) < 0;
}
void dfs(int v, int p, int l) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 35 / 35
• Subtask 5: 25 / 25