oj.uz

Submission #973000

# Submission time Handle Problem Language Result Execution time Memory
973000 2024-05-01T12:02:18 Z berr Drawing (CEOI22_drawing) C++17
100 / 100
 174 ms 31544 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long


signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n; cin >> n;

    vector<vector<int>> g(n);

    for(int i=1; i<n; i++){
        int x, y; cin >> x >> y;
        x--; y--;
        g[x].push_back(y);
        g[y].push_back(x);
    }

    int r=0, r2=0;

    vector<array<int, 2>> e(n);

    for(auto &[i, l]: e){
        cin >> i >> l;
    }        

    for(int i=0; i<n; i++){
        if(g[i].size()==3) r2 = i;
        if(e[i][1] < e[r][1]) r=i;
        else if(e[i][1]==e[r][1] && e[i][0] > e[r][0]) r=i;
    }


    vector<int> id(n-1);

    int pos=0;

    for(int i=0; i<n-1; i++){
        if(r==pos) pos++;
        id[i]=pos; pos++;
    }

    auto x=[&](int a, int b){
        return e[a][0]-e[b][0];
    };
    auto y=[&](int a, int b){
        return e[a][1]-e[b][1];
    };

    auto check=[&](int r, int a, int b){
        return y(b, r)*x(a, r) < y(a, r)*x(b, r);
    };
    sort(id.begin(), id.end(), [&](int x, int y){
        return check(r, x, y);
    });
    vector<int> vis(n, -1);

    id.push_back(r);

    auto dfs=[&](int v, int p, auto&&dfs)->void{
        
        vis[id.back()] = v; id.pop_back();
         for(auto i: g[v]){
            if(i==p) continue;
            dfs(i, v, dfs);
        }
    };
    dfs(r2, r2, dfs);

    for(int i=0; i<n; i++) cout<<vis[i]+1<<" ";

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 12040 KB Output is correct
2 Correct 71 ms 16852 KB Output is correct
3 Correct 73 ms 16860 KB Output is correct
4 Correct 89 ms 18068 KB Output is correct
5 Correct 72 ms 15480 KB Output is correct
6 Correct 71 ms 15708 KB Output is correct
7 Correct 67 ms 14808 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 860 KB Output is correct
2 Correct 2 ms 1000 KB Output is correct
3 Correct 3 ms 856 KB Output is correct
4 Correct 3 ms 860 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 1008 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 2 ms 1000 KB Output is correct
9 Correct 3 ms 976 KB Output is correct
10 Correct 3 ms 856 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 2 ms 860 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 860 KB Output is correct
2 Correct 2 ms 1000 KB Output is correct
3 Correct 3 ms 856 KB Output is correct
4 Correct 3 ms 860 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 1008 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 2 ms 1000 KB Output is correct
9 Correct 3 ms 976 KB Output is correct
10 Correct 3 ms 856 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 8 ms 1624 KB Output is correct
16 Correct 6 ms 1884 KB Output is correct
17 Correct 6 ms 1880 KB Output is correct
18 Correct 6 ms 1884 KB Output is correct
19 Correct 6 ms 1744 KB Output is correct
20 Correct 6 ms 1884 KB Output is correct
21 Correct 6 ms 1684 KB Output is correct
22 Correct 6 ms 1628 KB Output is correct
23 Correct 6 ms 1880 KB Output is correct
24 Correct 8 ms 1916 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1880 KB Output is correct
27 Correct 6 ms 1628 KB Output is correct
28 Correct 6 ms 1680 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 860 KB Output is correct
2 Correct 2 ms 1000 KB Output is correct
3 Correct 3 ms 856 KB Output is correct
4 Correct 3 ms 860 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 1008 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 2 ms 1000 KB Output is correct
9 Correct 3 ms 976 KB Output is correct
10 Correct 3 ms 856 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 8 ms 1624 KB Output is correct
16 Correct 6 ms 1884 KB Output is correct
17 Correct 6 ms 1880 KB Output is correct
18 Correct 6 ms 1884 KB Output is correct
19 Correct 6 ms 1744 KB Output is correct
20 Correct 6 ms 1884 KB Output is correct
21 Correct 6 ms 1684 KB Output is correct
22 Correct 6 ms 1628 KB Output is correct
23 Correct 6 ms 1880 KB Output is correct
24 Correct 8 ms 1916 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1880 KB Output is correct
27 Correct 6 ms 1628 KB Output is correct
28 Correct 6 ms 1680 KB Output is correct
29 Correct 49 ms 11088 KB Output is correct
30 Correct 50 ms 11392 KB Output is correct
31 Correct 50 ms 11996 KB Output is correct
32 Correct 47 ms 11844 KB Output is correct
33 Correct 48 ms 11744 KB Output is correct
34 Correct 56 ms 11344 KB Output is correct
35 Correct 52 ms 10464 KB Output is correct
36 Correct 40 ms 9584 KB Output is correct
37 Correct 49 ms 11744 KB Output is correct
38 Correct 49 ms 11744 KB Output is correct
39 Correct 58 ms 11748 KB Output is correct
40 Correct 47 ms 11740 KB Output is correct
41 Correct 47 ms 9868 KB Output is correct
42 Correct 47 ms 10460 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 12040 KB Output is correct
2 Correct 71 ms 16852 KB Output is correct
3 Correct 73 ms 16860 KB Output is correct
4 Correct 89 ms 18068 KB Output is correct
5 Correct 72 ms 15480 KB Output is correct
6 Correct 71 ms 15708 KB Output is correct
7 Correct 67 ms 14808 KB Output is correct
8 Correct 3 ms 860 KB Output is correct
9 Correct 2 ms 1000 KB Output is correct
10 Correct 3 ms 856 KB Output is correct
11 Correct 3 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 1008 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 2 ms 1000 KB Output is correct
16 Correct 3 ms 976 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 8 ms 1624 KB Output is correct
23 Correct 6 ms 1884 KB Output is correct
24 Correct 6 ms 1880 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1744 KB Output is correct
27 Correct 6 ms 1884 KB Output is correct
28 Correct 6 ms 1684 KB Output is correct
29 Correct 6 ms 1628 KB Output is correct
30 Correct 6 ms 1880 KB Output is correct
31 Correct 8 ms 1916 KB Output is correct
32 Correct 6 ms 1884 KB Output is correct
33 Correct 6 ms 1880 KB Output is correct
34 Correct 6 ms 1628 KB Output is correct
35 Correct 6 ms 1680 KB Output is correct
36 Correct 49 ms 11088 KB Output is correct
37 Correct 50 ms 11392 KB Output is correct
38 Correct 50 ms 11996 KB Output is correct
39 Correct 47 ms 11844 KB Output is correct
40 Correct 48 ms 11744 KB Output is correct
41 Correct 56 ms 11344 KB Output is correct
42 Correct 52 ms 10464 KB Output is correct
43 Correct 40 ms 9584 KB Output is correct
44 Correct 49 ms 11744 KB Output is correct
45 Correct 49 ms 11744 KB Output is correct
46 Correct 58 ms 11748 KB Output is correct
47 Correct 47 ms 11740 KB Output is correct
48 Correct 47 ms 9868 KB Output is correct
49 Correct 47 ms 10460 KB Output is correct
50 Correct 82 ms 17232 KB Output is correct
51 Correct 174 ms 28220 KB Output is correct
52 Correct 147 ms 30976 KB Output is correct
53 Correct 150 ms 28328 KB Output is correct
54 Correct 164 ms 30724 KB Output is correct
55 Correct 137 ms 29008 KB Output is correct
56 Correct 165 ms 26156 KB Output is correct
57 Correct 25 ms 5976 KB Output is correct
58 Correct 170 ms 30172 KB Output is correct
59 Correct 150 ms 30084 KB Output is correct
60 Correct 144 ms 31544 KB Output is correct
61 Correct 157 ms 28964 KB Output is correct
62 Correct 25 ms 6236 KB Output is correct
63 Correct 162 ms 25908 KB Output is correct