oj.uz

답안 #552562

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
552562 2022-04-23T10:00:33 Z Killer2501 Amusement Park (JOI17_amusement_park) C++14
100 / 100
 71 ms 35456 KB 
#include "Joi.h"
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back
#define pll pair<int, pii>
#define pii pair<int, int>
#define fi first
#define se second
using namespace std;
const int N = 2e5+2;
const int M = 60;
const int mod = 1e9+7;
const ll base = 1e6;
const ll inf = 1e9;
int n, m, b[N], a[N], k, d[N], cnt, par[N], f[N];
ll ans;
vector<int> adj[N];
bool vis[N], ok;
set<pii> leaf;
set<int> st[N], cur, res;
void dfs(int u, int p = -1)
{
    pii change;
    set<int> stchange;
    vis[u] = true;
    if(cnt < M)d[u] = cnt++;
    else
    {
        auto it = leaf.begin();
        if(d[par[u]] == (*it).se)++it;
        int v = (*it).se;
        cur.erase(b[v]);
        change.fi = v;
        change.se = b[v];
        d[u] = v;
        leaf.erase(it);
        stchange = st[v];
        for(int x: st[v])
        {
            leaf.erase({(int)st[x].size(), x});
            st[x].erase(v);
            leaf.insert({(int)st[x].size(), x});
        }
        st[v].clear();
    }
    if(u != 0)leaf.insert({1, d[u]});
    else leaf.insert({0, d[u]});
    b[d[u]] = u;
    cur.insert(u);
    if(p == u)ok = true;
    if(ok && cnt == M)
    {
        res = cur;
        ok = false;
    }
    if(u != 0)
    {
        int v = d[par[u]];
        leaf.erase({(int)st[v].size(), v});
        st[v].insert(d[u]);
        st[d[u]].insert(v);
        leaf.insert({(int)st[v].size(), v});
    }
    //cout << u <<" "<<d[u]<<'\n';
    for(int v: adj[u])
    {
        if(vis[v])continue;
        par[v] = u;
        dfs(v, p);
    }
    if(!stchange.empty())
    {
        int v = d[par[u]];
        leaf.erase({(int)st[v].size(), v});
        st[v].erase(d[u]);
        st[d[u]].erase(v);
        leaf.insert({(int)st[v].size(), v});
        cur.erase(u);
        leaf.erase({1, d[u]});
        v = change.fi;
        cur.insert(change.se);
        leaf.insert({1, v});
        b[v] = change.se;
        for(int x: stchange)
        {
            leaf.erase({(int)st[x].size(), x});
            st[x].insert(v);
            leaf.insert({(int)st[x].size(), x});
        }
        st[v] = stchange;

    }
}
void Joi(int n, int m, int A[], int B[], ll x, int T)
{
    for(int i = 0; i < n; i ++)
    {
        st[i].clear();
        adj[i].clear();
    }
    leaf.clear();
    res.clear();
    cur.clear();
    cnt = 0;
    for(int i = 0; i < m; i ++)
    {
        adj[A[i]].pb(B[i]);
        adj[B[i]].pb(A[i]);
    }
    fill_n(d, n, -1);
    fill_n(par, n, -1);
    fill_n(vis, n, 0);
    dfs(0);
    for(int i = 0; i < n; i ++)
    {
        MessageBoard(i, (x>>d[i]&1));
    }

}


#include "Ioi.h"
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back
#define pll pair<int, pii>
#define pii pair<int, int>
#define fi first
#define se second
using namespace std;
const int N = 2e5+2;
const int M = 60;
const int mod = 1e9+7;
const ll base = 1e6;
const ll inf = 1e9;
int n, m, b[N], a[N], k, d[N], cnt, par[N], f[N];
ll ans;
vector<int> adj[N];
bool vis[N], ok;
set<pii> leaf;
set<int> st[N], cur, res;
void dfs(int u, int p = -1)
{
    pii change;
    set<int> stchange;
    vis[u] = true;
    if(cnt < M)d[u] = cnt++;
    else
    {
        auto it = leaf.begin();
        if(d[par[u]] == (*it).se)++it;
        int v = (*it).se;
        cur.erase(b[v]);
        change.fi = v;
        change.se = b[v];
        d[u] = v;
        leaf.erase(it);
        stchange = st[v];
        for(int x: st[v])
        {
            leaf.erase({(int)st[x].size(), x});
            st[x].erase(v);
            leaf.insert({(int)st[x].size(), x});
        }
        st[v].clear();
    }
    if(u != 0)leaf.insert({1, d[u]});
    else leaf.insert({0, d[u]});
    b[d[u]] = u;
    cur.insert(u);
    if(p == u)ok = true;
    if(ok && cnt == M)
    {
        res = cur;
        ok = false;
    }
    if(u != 0)
    {
        int v = d[par[u]];
        leaf.erase({(int)st[v].size(), v});
        st[v].insert(d[u]);
        st[d[u]].insert(v);
        leaf.insert({(int)st[v].size(), v});
    }
    //cout << u <<" "<<d[u]<<'\n';
    for(int v: adj[u])
    {
        if(vis[v])continue;
        par[v] = u;
        dfs(v, p);
    }
    if(!stchange.empty())
    {
        int v = d[par[u]];
        leaf.erase({(int)st[v].size(), v});
        st[v].erase(d[u]);
        st[d[u]].erase(v);
        leaf.insert({(int)st[v].size(), v});
        cur.erase(u);
        leaf.erase({1, d[u]});
        v = change.fi;
        cur.insert(change.se);
        leaf.insert({1, v});
        b[v] = change.se;
        for(int x: stchange)
        {
            leaf.erase({(int)st[x].size(), x});
            st[x].insert(v);
            leaf.insert({(int)st[x].size(), x});
        }
        st[v] = stchange;

    }
}
void cal(int u)
{
    //cout << u <<" "<<d[u]<<" "<<a[d[u]]<<'\n';
    for(int v: adj[u])
    {
        if(res.find(v) == res.end())continue;
        a[d[v]] = Move(v);
        res.erase(v);
        cal(v);
        Move(u);

    }
}
ll Ioi(int n, int m, int A[], int B[], int P, int V, int T)
{
    for(int i = 0; i < n; i ++)
    {
        st[i].clear();
        adj[i].clear();
    }
    res.clear();
    cur.clear();
    leaf.clear();
    cnt = 0;
    ok = false;
    for(int i = 0; i < m; i ++)
    {
        adj[A[i]].pb(B[i]);
        adj[B[i]].pb(A[i]);
    }
    fill_n(d, n, -1);
    fill_n(par, n, -1);
    fill_n(vis, n, 0);
    dfs(0, P);
    fill_n(a, M, -1);
    res.erase(P);
    a[d[P]] = V;
    cal(P);
    ll res = 0;
    for(int i = 0; i < M; i ++)
    {
        //cout << a[i] <<" "<<i<<'\n';
        assert(a[i] != -1);
        if(a[i])
            res |= (1ll<<i);
    }
    return res;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 28940 KB Output is correct
2 Correct 16 ms 28952 KB Output is correct
3 Correct 15 ms 28964 KB Output is correct
4 Correct 14 ms 28964 KB Output is correct
5 Correct 15 ms 28968 KB Output is correct
6 Correct 15 ms 28960 KB Output is correct
7 Correct 16 ms 28960 KB Output is correct
8 Correct 15 ms 28892 KB Output is correct
9 Correct 16 ms 28964 KB Output is correct
10 Correct 16 ms 28968 KB Output is correct
11 Correct 22 ms 29180 KB Output is correct
12 Correct 14 ms 28964 KB Output is correct
13 Correct 16 ms 28992 KB Output is correct
14 Correct 16 ms 28956 KB Output is correct
15 Correct 16 ms 28896 KB Output is correct
16 Correct 16 ms 28976 KB Output is correct
17 Correct 16 ms 28964 KB Output is correct
18 Correct 15 ms 28968 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 34088 KB Output is correct
2 Correct 69 ms 34224 KB Output is correct
3 Correct 64 ms 34096 KB Output is correct
4 Correct 52 ms 30420 KB Output is correct
5 Correct 53 ms 32628 KB Output is correct
6 Correct 49 ms 32008 KB Output is correct
7 Correct 49 ms 32100 KB Output is correct
8 Correct 54 ms 32380 KB Output is correct
9 Correct 53 ms 32476 KB Output is correct
10 Correct 45 ms 30608 KB Output is correct
11 Correct 49 ms 30488 KB Output is correct
12 Correct 43 ms 30336 KB Output is correct
13 Correct 42 ms 30352 KB Output is correct
14 Correct 46 ms 30256 KB Output is correct
15 Correct 48 ms 30388 KB Output is correct
16 Correct 50 ms 30472 KB Output is correct
17 Correct 57 ms 30416 KB Output is correct
18 Correct 55 ms 30400 KB Output is correct
19 Correct 50 ms 30536 KB Output is correct
20 Correct 44 ms 32848 KB Output is correct
21 Correct 43 ms 32872 KB Output is correct
22 Correct 51 ms 31664 KB Output is correct
23 Correct 51 ms 32460 KB Output is correct
24 Correct 52 ms 32120 KB Output is correct
25 Correct 57 ms 32200 KB Output is correct
26 Correct 54 ms 32500 KB Output is correct
27 Correct 55 ms 32512 KB Output is correct
28 Correct 52 ms 32616 KB Output is correct
29 Correct 49 ms 32176 KB Output is correct
30 Correct 66 ms 32192 KB Output is correct
31 Correct 16 ms 28972 KB Output is correct
32 Correct 16 ms 28968 KB Output is correct
33 Correct 15 ms 28960 KB Output is correct
34 Correct 14 ms 28964 KB Output is correct
35 Correct 17 ms 28956 KB Output is correct
36 Correct 15 ms 28956 KB Output is correct
37 Correct 14 ms 28972 KB Output is correct
38 Correct 15 ms 28972 KB Output is correct
39 Correct 15 ms 28972 KB Output is correct
40 Correct 17 ms 29004 KB Output is correct
41 Correct 20 ms 28964 KB Output is correct
42 Correct 15 ms 28964 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 28968 KB Output is correct
2 Correct 15 ms 28940 KB Output is correct
3 Correct 14 ms 28876 KB Output is correct
4 Correct 20 ms 30012 KB Output is correct
5 Correct 20 ms 30028 KB Output is correct
6 Correct 20 ms 30008 KB Output is correct
7 Correct 22 ms 30000 KB Output is correct
8 Correct 24 ms 30020 KB Output is correct
9 Correct 53 ms 35248 KB Output is correct
10 Correct 46 ms 35456 KB Output is correct
11 Correct 47 ms 35384 KB Output is correct
12 Correct 14 ms 28960 KB Output is correct
13 Correct 20 ms 29040 KB Output is correct
14 Correct 15 ms 28952 KB Output is correct
15 Correct 16 ms 28968 KB Output is correct

Subtask #4
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 34064 KB Output is correct
2 Correct 63 ms 34040 KB Output is correct
3 Correct 64 ms 34240 KB Output is correct
4 Correct 47 ms 30424 KB Output is correct
5 Correct 56 ms 33824 KB Output is correct
6 Correct 52 ms 32468 KB Output is correct
7 Correct 52 ms 32288 KB Output is correct
8 Correct 62 ms 31388 KB Output is correct
9 Correct 54 ms 31840 KB Output is correct
10 Correct 48 ms 30560 KB Output is correct
11 Correct 44 ms 30576 KB Output is correct
12 Correct 43 ms 30376 KB Output is correct
13 Correct 43 ms 30380 KB Output is correct
14 Correct 48 ms 30408 KB Output is correct
15 Correct 49 ms 30408 KB Output is correct
16 Correct 47 ms 30516 KB Output is correct
17 Correct 46 ms 30300 KB Output is correct
18 Correct 51 ms 30728 KB Output is correct
19 Correct 52 ms 30320 KB Output is correct
20 Correct 48 ms 32880 KB Output is correct
21 Correct 45 ms 32888 KB Output is correct
22 Correct 57 ms 32276 KB Output is correct
23 Correct 52 ms 32024 KB Output is correct
24 Correct 56 ms 31976 KB Output is correct
25 Correct 56 ms 32388 KB Output is correct
26 Correct 51 ms 32344 KB Output is correct
27 Correct 52 ms 32764 KB Output is correct
28 Correct 52 ms 31876 KB Output is correct
29 Correct 49 ms 31804 KB Output is correct
30 Correct 59 ms 32396 KB Output is correct

Subtask #5
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 34092 KB Output is correct
2 Correct 67 ms 34392 KB Output is correct
3 Correct 63 ms 34064 KB Output is correct
4 Correct 47 ms 30480 KB Output is correct
5 Correct 51 ms 34468 KB Output is correct
6 Correct 50 ms 31800 KB Output is correct
7 Correct 57 ms 31612 KB Output is correct
8 Correct 57 ms 32328 KB Output is correct
9 Correct 51 ms 32072 KB Output is correct
10 Correct 43 ms 30584 KB Output is correct
11 Correct 41 ms 30568 KB Output is correct
12 Correct 41 ms 30328 KB Output is correct
13 Correct 41 ms 30284 KB Output is correct
14 Correct 46 ms 30356 KB Output is correct
15 Correct 54 ms 30480 KB Output is correct
16 Correct 49 ms 30552 KB Output is correct
17 Correct 49 ms 30372 KB Output is correct
18 Correct 46 ms 30524 KB Output is correct
19 Correct 47 ms 30512 KB Output is correct
20 Correct 61 ms 32956 KB Output is correct
21 Correct 46 ms 32756 KB Output is correct
22 Correct 52 ms 32264 KB Output is correct
23 Correct 50 ms 31952 KB Output is correct
24 Correct 50 ms 31832 KB Output is correct
25 Correct 51 ms 32064 KB Output is correct
26 Correct 54 ms 31824 KB Output is correct
27 Correct 52 ms 32844 KB Output is correct
28 Correct 62 ms 32788 KB Output is correct
29 Correct 54 ms 32376 KB Output is correct
30 Correct 49 ms 32236 KB Output is correct
31 Correct 16 ms 28960 KB Output is correct
32 Correct 16 ms 29096 KB Output is correct
33 Correct 14 ms 29008 KB Output is correct
34 Correct 15 ms 28960 KB Output is correct
35 Correct 14 ms 29140 KB Output is correct
36 Correct 16 ms 28960 KB Output is correct
37 Correct 14 ms 28976 KB Output is correct
38 Correct 16 ms 28960 KB Output is correct
39 Correct 17 ms 28888 KB Output is correct
40 Correct 15 ms 28940 KB Output is correct
41 Correct 14 ms 28972 KB Output is correct
42 Correct 14 ms 28860 KB Output is correct