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Submission #1019304

# Submission time Handle Problem Language Result Execution time Memory
1019304 2024-07-10T17:09:42 Z Fatonim Village (BOI20_village) C++17
50 / 100
 131 ms 60280 KB 
// "We create our own demons"
#include <bits/stdc++.h>

using namespace std;

#ifdef ONPC
    #include "debug.h"
#else
    #define dbg(...)
#endif

#define int long long
#define ll long long
#define ld long double
#define pi pair<int, int>
// vector
#define sz(a) (int)((a).size())
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define maxel(x) (*max_element(all(x)))
#define minel(x) (*min_element(all(x)))
#define maxpos(x) (max_element(all(x)) - x.begin())
#define minpos(x) (min_element(all(x)) - x.begin())
#define rev(x) (reverse(all(x)))
// bits
#define popcount(n) __builtin_popcountll(n)
#define clz(n) __builtin_clzll(n)
// math
#define sqr(n) ((n) * (n))
#define divup(a, b) (((a) + (b)-1) / (b))
// ostream
#define Fixed(a) cout << fixed << setprecision(12) << a;

template <class T> bool chmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template <class T> bool chmax(T& a, const T& b) { return b > a ? a = b, 1 : 0; }

template <class T> using min_queue = priority_queue<T, vector<T>, greater<T>>;
template <class T> using max_queue = priority_queue<T, vector<T>, less<T>>;

template <class T> using V = vector<T>;
using vi = V<int>;
using vd = V<ld>;
using vb = V<bool>;
using vpi = V<pi>;
using vvi = V<vi>;
using vvb = V<vb>;

const int mod = 1e9 + 7; // 998244353 1e9 + 7
const ll inf = (int)(1e18) + 7;
const int inf_s = 1e9 + 7;
const ld eps = 1e-9;

const int B = 32;
const int N = 1000 + 3;
const int logn = 20;
const int maxn = 2e5 + 7;
/////////////////////////solve/////////////////////////

vi g[maxn];
int dp[maxn][2];
vpi dp_par[maxn][2];
vi dp_swap[maxn][2];
int ans[maxn];

void solve() {
    int n;
    cin >> n;

    for (int i = 0; i < n - 1; ++i) {
        int v, u;
        cin >> v >> u;
        --v; --u;

        g[v].push_back(u);
        g[u].push_back(v);
    }

    for (int i = 0; i < n; ++i) {
        ans[i] = i;
    }

    function<void(int, int)> dfs = [&](int v, int p) {
        set <pi> s;
        for (auto u : g[v]) {
            if (u != p) {
                dfs(u, v);
                dp[v][0] += dp[u][1];
                dp_par[v][0].push_back({u, 1});
                s.insert({dp[u][0] - dp[u][1] + 2, u});
            }
        }
        if (s.empty()) dp[v][1] = inf_s;
        else {
            int u = s.begin()->second;
            dp_swap[v][1].push_back(u);
            if (dp[u][0] <= dp[u][1]) {
                dp[v][1] += dp[u][0] + 2;
                dp_par[v][1].push_back({u, 0});
            }
            else {
                dp[v][1] += dp[u][1] + 2;
                dp_par[v][1].push_back({u, 1});
            }
            s.erase(s.begin());

            for (auto& [x, u] : s) {
                if (dp[u][0] + 2 < dp[u][1]) {
                    dp[v][1] += dp[u][0] + 2;
                    dp_par[v][1].push_back({u, 0});
                    dp_swap[v][1].push_back(u);
                }
                else {
                    dp[v][1] += dp[u][1];
                    dp_par[v][1].push_back({u, 1});
                }
            }
        }
    };

    dfs(0, -1);
    cout << dp[0][1] << " -1\n";

    function<void(int, int, int)> dfs2 = [&](int v, int t, int p) {
        for (auto& [u, t2] : dp_par[v][t]) {
            dfs2(u, t2, v);
        }
        for (auto& u : dp_swap[v][t]) {
            swap(ans[v], ans[u]);
        }
    };

    dfs2(0, 1, -1);
        
    for (int i = 0; i < n; ++i) {
        cout << ans[i] + 1 << " ";
    } cout << "\n";

    for (int i = 0; i < n; ++i) {
        cout << 1 << " ";
    }

}

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

#ifdef ONPC
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    freopen("error.txt", "w", stderr);
#endif

    int t = 1;
    //cin >> t;
    for (int i = 1; i <= t; ++i) {
#ifdef ONPC
        cerr << "===========" << i << "===========" << '\n';
#endif
        solve();
    }

#ifdef ONPC
    cerr << endl << "Time " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;
#endif
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 11 ms 23896 KB Partially correct
2 Partially correct 9 ms 23900 KB Partially correct
3 Partially correct 9 ms 23896 KB Partially correct
4 Partially correct 9 ms 23900 KB Partially correct
5 Partially correct 10 ms 23900 KB Partially correct
6 Partially correct 9 ms 23900 KB Partially correct
7 Partially correct 9 ms 23812 KB Partially correct
8 Partially correct 11 ms 23896 KB Partially correct
9 Partially correct 14 ms 23824 KB Partially correct
10 Partially correct 15 ms 23900 KB Partially correct
11 Partially correct 12 ms 24156 KB Partially correct
12 Partially correct 10 ms 23900 KB Partially correct
13 Partially correct 9 ms 23896 KB Partially correct
14 Partially correct 10 ms 23884 KB Partially correct
15 Partially correct 12 ms 23900 KB Partially correct
16 Partially correct 9 ms 23756 KB Partially correct
17 Partially correct 9 ms 23900 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 10 ms 23900 KB Partially correct
2 Partially correct 10 ms 23896 KB Partially correct
3 Partially correct 11 ms 23900 KB Partially correct
4 Partially correct 12 ms 23956 KB Partially correct
5 Partially correct 14 ms 23956 KB Partially correct
6 Partially correct 10 ms 24100 KB Partially correct
7 Partially correct 12 ms 24152 KB Partially correct
8 Partially correct 10 ms 23900 KB Partially correct
9 Partially correct 10 ms 23872 KB Partially correct
10 Partially correct 12 ms 24156 KB Partially correct
11 Partially correct 11 ms 23900 KB Partially correct
12 Partially correct 10 ms 23900 KB Partially correct
13 Partially correct 10 ms 24332 KB Partially correct
14 Partially correct 12 ms 23956 KB Partially correct
15 Partially correct 10 ms 23900 KB Partially correct
16 Partially correct 10 ms 23956 KB Partially correct
17 Partially correct 9 ms 23900 KB Partially correct
18 Partially correct 9 ms 23900 KB Partially correct
19 Partially correct 10 ms 23900 KB Partially correct
20 Partially correct 9 ms 24152 KB Partially correct
21 Partially correct 12 ms 23900 KB Partially correct
22 Partially correct 9 ms 24044 KB Partially correct
23 Partially correct 10 ms 23896 KB Partially correct
24 Partially correct 13 ms 23896 KB Partially correct
25 Partially correct 11 ms 23800 KB Partially correct
26 Partially correct 10 ms 24096 KB Partially correct
27 Partially correct 13 ms 23900 KB Partially correct
28 Partially correct 9 ms 23896 KB Partially correct
29 Partially correct 10 ms 23900 KB Partially correct
30 Partially correct 10 ms 23896 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 11 ms 23896 KB Partially correct
2 Partially correct 9 ms 23900 KB Partially correct
3 Partially correct 9 ms 23896 KB Partially correct
4 Partially correct 9 ms 23900 KB Partially correct
5 Partially correct 10 ms 23900 KB Partially correct
6 Partially correct 9 ms 23900 KB Partially correct
7 Partially correct 9 ms 23812 KB Partially correct
8 Partially correct 11 ms 23896 KB Partially correct
9 Partially correct 14 ms 23824 KB Partially correct
10 Partially correct 15 ms 23900 KB Partially correct
11 Partially correct 12 ms 24156 KB Partially correct
12 Partially correct 10 ms 23900 KB Partially correct
13 Partially correct 9 ms 23896 KB Partially correct
14 Partially correct 10 ms 23884 KB Partially correct
15 Partially correct 12 ms 23900 KB Partially correct
16 Partially correct 9 ms 23756 KB Partially correct
17 Partially correct 9 ms 23900 KB Partially correct
18 Partially correct 10 ms 23900 KB Partially correct
19 Partially correct 10 ms 23896 KB Partially correct
20 Partially correct 11 ms 23900 KB Partially correct
21 Partially correct 12 ms 23956 KB Partially correct
22 Partially correct 14 ms 23956 KB Partially correct
23 Partially correct 10 ms 24100 KB Partially correct
24 Partially correct 12 ms 24152 KB Partially correct
25 Partially correct 10 ms 23900 KB Partially correct
26 Partially correct 10 ms 23872 KB Partially correct
27 Partially correct 12 ms 24156 KB Partially correct
28 Partially correct 11 ms 23900 KB Partially correct
29 Partially correct 10 ms 23900 KB Partially correct
30 Partially correct 10 ms 24332 KB Partially correct
31 Partially correct 12 ms 23956 KB Partially correct
32 Partially correct 10 ms 23900 KB Partially correct
33 Partially correct 10 ms 23956 KB Partially correct
34 Partially correct 9 ms 23900 KB Partially correct
35 Partially correct 9 ms 23900 KB Partially correct
36 Partially correct 10 ms 23900 KB Partially correct
37 Partially correct 9 ms 24152 KB Partially correct
38 Partially correct 12 ms 23900 KB Partially correct
39 Partially correct 9 ms 24044 KB Partially correct
40 Partially correct 10 ms 23896 KB Partially correct
41 Partially correct 13 ms 23896 KB Partially correct
42 Partially correct 11 ms 23800 KB Partially correct
43 Partially correct 10 ms 24096 KB Partially correct
44 Partially correct 13 ms 23900 KB Partially correct
45 Partially correct 9 ms 23896 KB Partially correct
46 Partially correct 10 ms 23900 KB Partially correct
47 Partially correct 10 ms 23896 KB Partially correct
48 Partially correct 69 ms 37104 KB Partially correct
49 Partially correct 77 ms 38484 KB Partially correct
50 Partially correct 80 ms 38480 KB Partially correct
51 Partially correct 58 ms 35156 KB Partially correct
52 Partially correct 88 ms 38228 KB Partially correct
53 Partially correct 88 ms 36868 KB Partially correct
54 Partially correct 54 ms 41412 KB Partially correct
55 Partially correct 131 ms 60280 KB Partially correct
56 Partially correct 109 ms 48724 KB Partially correct
57 Partially correct 119 ms 45396 KB Partially correct
58 Partially correct 113 ms 42368 KB Partially correct
59 Partially correct 87 ms 38736 KB Partially correct
60 Partially correct 88 ms 43476 KB Partially correct
61 Partially correct 78 ms 39288 KB Partially correct
62 Partially correct 71 ms 36860 KB Partially correct
63 Partially correct 67 ms 36344 KB Partially correct
64 Partially correct 78 ms 37972 KB Partially correct
65 Partially correct 78 ms 38140 KB Partially correct
66 Partially correct 76 ms 36632 KB Partially correct
67 Partially correct 74 ms 35276 KB Partially correct
68 Partially correct 59 ms 35832 KB Partially correct
69 Partially correct 70 ms 38020 KB Partially correct
70 Partially correct 90 ms 37156 KB Partially correct
71 Partially correct 48 ms 33360 KB Partially correct
72 Partially correct 58 ms 34840 KB Partially correct
73 Partially correct 73 ms 38228 KB Partially correct
74 Partially correct 96 ms 36688 KB Partially correct
75 Partially correct 100 ms 38272 KB Partially correct
76 Partially correct 77 ms 38408 KB Partially correct
77 Partially correct 74 ms 38992 KB Partially correct
78 Partially correct 53 ms 33188 KB Partially correct
79 Partially correct 52 ms 34128 KB Partially correct
80 Partially correct 86 ms 38316 KB Partially correct
81 Partially correct 61 ms 39504 KB Partially correct
82 Partially correct 76 ms 36100 KB Partially correct