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답안 #644864

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
644864 2022-09-25T11:42:24 Z Do_you_copy Drawing (CEOI22_drawing) C++17
100 / 100
 284 ms 38264 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 = 3e5 + 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
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 107 ms 18656 KB Output is correct
2 Correct 133 ms 23408 KB Output is correct
3 Correct 124 ms 21328 KB Output is correct
4 Correct 141 ms 24284 KB Output is correct
5 Correct 137 ms 24588 KB Output is correct
6 Correct 111 ms 18880 KB Output is correct
7 Correct 140 ms 19244 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 7636 KB Output is correct
2 Correct 7 ms 7764 KB Output is correct
3 Correct 7 ms 7764 KB Output is correct
4 Correct 8 ms 7836 KB Output is correct
5 Correct 8 ms 7892 KB Output is correct
6 Correct 7 ms 7636 KB Output is correct
7 Correct 6 ms 7764 KB Output is correct
8 Correct 7 ms 7736 KB Output is correct
9 Correct 6 ms 7764 KB Output is correct
10 Correct 7 ms 7764 KB Output is correct
11 Correct 7 ms 7892 KB Output is correct
12 Correct 7 ms 7764 KB Output is correct
13 Correct 6 ms 7764 KB Output is correct
14 Correct 6 ms 7764 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 7636 KB Output is correct
2 Correct 7 ms 7764 KB Output is correct
3 Correct 7 ms 7764 KB Output is correct
4 Correct 8 ms 7836 KB Output is correct
5 Correct 8 ms 7892 KB Output is correct
6 Correct 7 ms 7636 KB Output is correct
7 Correct 6 ms 7764 KB Output is correct
8 Correct 7 ms 7736 KB Output is correct
9 Correct 6 ms 7764 KB Output is correct
10 Correct 7 ms 7764 KB Output is correct
11 Correct 7 ms 7892 KB Output is correct
12 Correct 7 ms 7764 KB Output is correct
13 Correct 6 ms 7764 KB Output is correct
14 Correct 6 ms 7764 KB Output is correct
15 Correct 11 ms 8232 KB Output is correct
16 Correct 11 ms 8532 KB Output is correct
17 Correct 11 ms 8408 KB Output is correct
18 Correct 10 ms 8660 KB Output is correct
19 Correct 11 ms 8660 KB Output is correct
20 Correct 11 ms 8148 KB Output is correct
21 Correct 11 ms 8296 KB Output is correct
22 Correct 15 ms 8172 KB Output is correct
23 Correct 11 ms 8404 KB Output is correct
24 Correct 14 ms 8432 KB Output is correct
25 Correct 14 ms 8660 KB Output is correct
26 Correct 11 ms 8560 KB Output is correct
27 Correct 11 ms 8152 KB Output is correct
28 Correct 11 ms 8276 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 7636 KB Output is correct
2 Correct 7 ms 7764 KB Output is correct
3 Correct 7 ms 7764 KB Output is correct
4 Correct 8 ms 7836 KB Output is correct
5 Correct 8 ms 7892 KB Output is correct
6 Correct 7 ms 7636 KB Output is correct
7 Correct 6 ms 7764 KB Output is correct
8 Correct 7 ms 7736 KB Output is correct
9 Correct 6 ms 7764 KB Output is correct
10 Correct 7 ms 7764 KB Output is correct
11 Correct 7 ms 7892 KB Output is correct
12 Correct 7 ms 7764 KB Output is correct
13 Correct 6 ms 7764 KB Output is correct
14 Correct 6 ms 7764 KB Output is correct
15 Correct 11 ms 8232 KB Output is correct
16 Correct 11 ms 8532 KB Output is correct
17 Correct 11 ms 8408 KB Output is correct
18 Correct 10 ms 8660 KB Output is correct
19 Correct 11 ms 8660 KB Output is correct
20 Correct 11 ms 8148 KB Output is correct
21 Correct 11 ms 8296 KB Output is correct
22 Correct 15 ms 8172 KB Output is correct
23 Correct 11 ms 8404 KB Output is correct
24 Correct 14 ms 8432 KB Output is correct
25 Correct 14 ms 8660 KB Output is correct
26 Correct 11 ms 8560 KB Output is correct
27 Correct 11 ms 8152 KB Output is correct
28 Correct 11 ms 8276 KB Output is correct
29 Correct 67 ms 14160 KB Output is correct
30 Correct 72 ms 16980 KB Output is correct
31 Correct 76 ms 16332 KB Output is correct
32 Correct 75 ms 17948 KB Output is correct
33 Correct 76 ms 16892 KB Output is correct
34 Correct 67 ms 14432 KB Output is correct
35 Correct 79 ms 14284 KB Output is correct
36 Correct 66 ms 13132 KB Output is correct
37 Correct 96 ms 16012 KB Output is correct
38 Correct 69 ms 16712 KB Output is correct
39 Correct 80 ms 16972 KB Output is correct
40 Correct 77 ms 15984 KB Output is correct
41 Correct 62 ms 13476 KB Output is correct
42 Correct 82 ms 14220 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 107 ms 18656 KB Output is correct
2 Correct 133 ms 23408 KB Output is correct
3 Correct 124 ms 21328 KB Output is correct
4 Correct 141 ms 24284 KB Output is correct
5 Correct 137 ms 24588 KB Output is correct
6 Correct 111 ms 18880 KB Output is correct
7 Correct 140 ms 19244 KB Output is correct
8 Correct 7 ms 7636 KB Output is correct
9 Correct 7 ms 7764 KB Output is correct
10 Correct 7 ms 7764 KB Output is correct
11 Correct 8 ms 7836 KB Output is correct
12 Correct 8 ms 7892 KB Output is correct
13 Correct 7 ms 7636 KB Output is correct
14 Correct 6 ms 7764 KB Output is correct
15 Correct 7 ms 7736 KB Output is correct
16 Correct 6 ms 7764 KB Output is correct
17 Correct 7 ms 7764 KB Output is correct
18 Correct 7 ms 7892 KB Output is correct
19 Correct 7 ms 7764 KB Output is correct
20 Correct 6 ms 7764 KB Output is correct
21 Correct 6 ms 7764 KB Output is correct
22 Correct 11 ms 8232 KB Output is correct
23 Correct 11 ms 8532 KB Output is correct
24 Correct 11 ms 8408 KB Output is correct
25 Correct 10 ms 8660 KB Output is correct
26 Correct 11 ms 8660 KB Output is correct
27 Correct 11 ms 8148 KB Output is correct
28 Correct 11 ms 8296 KB Output is correct
29 Correct 15 ms 8172 KB Output is correct
30 Correct 11 ms 8404 KB Output is correct
31 Correct 14 ms 8432 KB Output is correct
32 Correct 14 ms 8660 KB Output is correct
33 Correct 11 ms 8560 KB Output is correct
34 Correct 11 ms 8152 KB Output is correct
35 Correct 11 ms 8276 KB Output is correct
36 Correct 67 ms 14160 KB Output is correct
37 Correct 72 ms 16980 KB Output is correct
38 Correct 76 ms 16332 KB Output is correct
39 Correct 75 ms 17948 KB Output is correct
40 Correct 76 ms 16892 KB Output is correct
41 Correct 67 ms 14432 KB Output is correct
42 Correct 79 ms 14284 KB Output is correct
43 Correct 66 ms 13132 KB Output is correct
44 Correct 96 ms 16012 KB Output is correct
45 Correct 69 ms 16712 KB Output is correct
46 Correct 80 ms 16972 KB Output is correct
47 Correct 77 ms 15984 KB Output is correct
48 Correct 62 ms 13476 KB Output is correct
49 Correct 82 ms 14220 KB Output is correct
50 Correct 170 ms 19948 KB Output is correct
51 Correct 266 ms 35104 KB Output is correct
52 Correct 284 ms 32788 KB Output is correct
53 Correct 261 ms 33616 KB Output is correct
54 Correct 262 ms 38112 KB Output is correct
55 Correct 246 ms 28464 KB Output is correct
56 Correct 282 ms 27496 KB Output is correct
57 Correct 37 ms 11556 KB Output is correct
58 Correct 262 ms 32280 KB Output is correct
59 Correct 245 ms 31660 KB Output is correct
60 Correct 252 ms 38264 KB Output is correct
61 Correct 267 ms 33064 KB Output is correct
62 Correct 47 ms 11608 KB Output is correct
63 Correct 235 ms 26720 KB Output is correct