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답안 #644862

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
644862 2022-09-25T11:41:10 Z Do_you_copy Drawing (CEOI22_drawing) C++17
65 / 100
 79 ms 16680 KB 
////////////////////////////
// Gke vay sao            //
////////////////////////////
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define pb push_back
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
using ll = long long;
using ull = unsigned ll;
using ld = long double;
using pii = pair <int, int>;
using pil = pair <int, ll>;
using pli = pair <ll, int>;
using pll = pair <ll, ll>;
mt19937 Rand(chrono::steady_clock::now().time_since_epoch().count());

ll min(const ll &a, const ll &b){
    return (a < b) ? a : b;
}

ll max(const ll &a, const ll &b){
    return (a > b) ? a : b;
}

//const ll Mod = 1000000007;
//const ll Mod2 = 999999999989;
//only use when required
const int maxN = 1e5 + 1;
int n;

struct TPoint{
    int x, y, idx;
};

TPoint p[maxN];
vector <int> adj[maxN];
int sz[maxN];
int ans[maxN];
int x, y;

void pre_dfs(int u, int par){
    sz[u] = 1;
    for (int i: adj[u]){
        if (i == par) continue;
        pre_dfs(i, u);
        sz[u] += sz[i];
    }
}

void dfs(int u, int par, int idx){
    ans[p[idx].idx] = u;
    int tem = idx + 1;
    for (int i: adj[u]){
        if (i == par) continue;
        dfs(i, u, tem);
        tem += sz[i];
    }
}

void Init(){
    cin >> n;
    for (int i = 1; i < n; ++i){
        int u, v; cin >> u >> v;
        adj[u].pb(v);
        adj[v].pb(u);
    }
    pre_dfs(1, 0);
    for (int i = 1; i <= n; ++i){
        cin >> p[i].x >> p[i].y;
        p[i].idx = i;
    }
    if (n == 1){
        cout << 1; return;
    }
    sort(p + 1, p + n + 1,[](const auto &i, const auto &j){
        //left bottom
        if (i.x == j.x) return i.y < j.y;
        return i.x < j.x;
    });
    x = p[1].x;
    y = p[1].y;
    sort(p + 2, p + n + 1,[&](const auto &i, const auto &j){
        //cross product
        return x * i.y - i.x * y > x * j.y - j.x * y;
    });
    dfs(1, 0, 1);
    for (int i = 1; i <= n; ++i) cout << ans[i] << " ";
}

#define debu
#define taskname "test"
signed main(){
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        #ifdef debug
        freopen(taskname".out", "w", stdout);
        #endif
    }
    faster;
    ll tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    #ifdef debug
        ofstream timeout("timeout.txt");
        timeout << signed(1000 * double(clock()) / CLOCKS_PER_SEC);
        timeout.close();
    #else
        cerr << "\nTime elapsed: " << 1000 * double(clock()) / CLOCKS_PER_SEC << "ms\n";
    #endif
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:97:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 42 ms 16680 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3028 KB Output is correct
2 Correct 5 ms 3028 KB Output is correct
3 Correct 4 ms 3028 KB Output is correct
4 Correct 4 ms 3124 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3008 KB Output is correct
8 Correct 4 ms 3028 KB Output is correct
9 Correct 4 ms 3156 KB Output is correct
10 Correct 4 ms 3028 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 6 ms 3028 KB Output is correct
13 Correct 4 ms 3028 KB Output is correct
14 Correct 4 ms 3028 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3028 KB Output is correct
2 Correct 5 ms 3028 KB Output is correct
3 Correct 4 ms 3028 KB Output is correct
4 Correct 4 ms 3124 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3008 KB Output is correct
8 Correct 4 ms 3028 KB Output is correct
9 Correct 4 ms 3156 KB Output is correct
10 Correct 4 ms 3028 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 6 ms 3028 KB Output is correct
13 Correct 4 ms 3028 KB Output is correct
14 Correct 4 ms 3028 KB Output is correct
15 Correct 9 ms 3540 KB Output is correct
16 Correct 8 ms 3796 KB Output is correct
17 Correct 7 ms 3668 KB Output is correct
18 Correct 8 ms 4012 KB Output is correct
19 Correct 8 ms 3928 KB Output is correct
20 Correct 9 ms 3584 KB Output is correct
21 Correct 8 ms 3540 KB Output is correct
22 Correct 8 ms 3540 KB Output is correct
23 Correct 8 ms 3716 KB Output is correct
24 Correct 9 ms 3668 KB Output is correct
25 Correct 12 ms 3892 KB Output is correct
26 Correct 9 ms 3924 KB Output is correct
27 Correct 8 ms 3540 KB Output is correct
28 Correct 8 ms 3540 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3028 KB Output is correct
2 Correct 5 ms 3028 KB Output is correct
3 Correct 4 ms 3028 KB Output is correct
4 Correct 4 ms 3124 KB Output is correct
5 Correct 4 ms 3156 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3008 KB Output is correct
8 Correct 4 ms 3028 KB Output is correct
9 Correct 4 ms 3156 KB Output is correct
10 Correct 4 ms 3028 KB Output is correct
11 Correct 4 ms 3156 KB Output is correct
12 Correct 6 ms 3028 KB Output is correct
13 Correct 4 ms 3028 KB Output is correct
14 Correct 4 ms 3028 KB Output is correct
15 Correct 9 ms 3540 KB Output is correct
16 Correct 8 ms 3796 KB Output is correct
17 Correct 7 ms 3668 KB Output is correct
18 Correct 8 ms 4012 KB Output is correct
19 Correct 8 ms 3928 KB Output is correct
20 Correct 9 ms 3584 KB Output is correct
21 Correct 8 ms 3540 KB Output is correct
22 Correct 8 ms 3540 KB Output is correct
23 Correct 8 ms 3716 KB Output is correct
24 Correct 9 ms 3668 KB Output is correct
25 Correct 12 ms 3892 KB Output is correct
26 Correct 9 ms 3924 KB Output is correct
27 Correct 8 ms 3540 KB Output is correct
28 Correct 8 ms 3540 KB Output is correct
29 Correct 68 ms 9408 KB Output is correct
30 Correct 70 ms 12192 KB Output is correct
31 Correct 66 ms 11596 KB Output is correct
32 Correct 67 ms 13304 KB Output is correct
33 Correct 73 ms 12244 KB Output is correct
34 Correct 63 ms 9692 KB Output is correct
35 Correct 65 ms 9616 KB Output is correct
36 Correct 57 ms 8524 KB Output is correct
37 Correct 71 ms 11268 KB Output is correct
38 Correct 79 ms 12020 KB Output is correct
39 Correct 78 ms 12252 KB Output is correct
40 Correct 75 ms 11240 KB Output is correct
41 Correct 56 ms 8680 KB Output is correct
42 Correct 66 ms 9532 KB Output is correct

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 42 ms 16680 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -