oj.uz

답안 #552495

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
552495 2022-04-23T08:31:32 Z Killer2501 Amusement Park (JOI17_amusement_park) C++14
10 / 100
 69 ms 33732 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)
{

    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]);
        d[u] = v;
        leaf.erase(it);
        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({0, d[u]});
    else leaf.insert({1, 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);
    }
}
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 ++)
    {
        assert(d[i] != -1);
        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)
{

    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]);
        d[u] = v;
        leaf.erase(it);
        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({0, d[u]});
    else leaf.insert({1, 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);
    }
}
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);
    a[d[P]] = V;
    assert(res.find(P) != res.end());
    res.erase(P);
    cal(P);
    //assert(res.empty());
    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
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 28956 KB Output is correct
2 Correct 17 ms 28896 KB Output is correct
3 Correct 19 ms 28984 KB Output is correct
4 Correct 20 ms 28880 KB Output is correct
5 Correct 18 ms 28980 KB Output is correct
6 Incorrect 17 ms 28964 KB Wrong Answer [7]
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 52 ms 33256 KB Output is correct
2 Correct 55 ms 33280 KB Output is correct
3 Correct 51 ms 33276 KB Output is correct
4 Correct 46 ms 30544 KB Output is correct
5 Correct 46 ms 32000 KB Output is correct
6 Correct 46 ms 31536 KB Output is correct
7 Correct 41 ms 31668 KB Output is correct
8 Correct 40 ms 31800 KB Output is correct
9 Incorrect 47 ms 31848 KB Wrong Answer [7]
10 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 28892 KB Output is correct
2 Correct 16 ms 28972 KB Output is correct
3 Correct 19 ms 29008 KB Output is correct
4 Correct 24 ms 29616 KB Output is correct
5 Correct 24 ms 29696 KB Output is correct
6 Correct 18 ms 29744 KB Output is correct
7 Correct 19 ms 29612 KB Output is correct
8 Correct 19 ms 29732 KB Output is correct
9 Correct 34 ms 33652 KB Output is correct
10 Correct 36 ms 33628 KB Output is correct
11 Correct 43 ms 33732 KB Output is correct
12 Correct 16 ms 28936 KB Output is correct
13 Correct 17 ms 28964 KB Output is correct
14 Correct 14 ms 28944 KB Output is correct
15 Correct 17 ms 28944 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 33144 KB Output is correct
2 Incorrect 48 ms 33276 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 51 ms 33272 KB Output is correct
2 Correct 56 ms 33308 KB Output is correct
3 Incorrect 61 ms 33272 KB Wrong Answer [7]
4 Halted 0 ms 0 KB -