oj.uz

답안 #552479

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
552479 2022-04-23T08:17:57 Z Killer2501 Amusement Park (JOI17_amusement_park) C++14
10 / 100
 50 ms 33516 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(u != 0 && 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();
    }
    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(u != 0 && 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();
    }
    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;
        if(a[d[v]] == -1)
        {
            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);
    assert((int)res.size() == M);
    fill_n(a, M, -1);
    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
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 28968 KB Output is correct
2 Correct 14 ms 28924 KB Output is correct
3 Correct 17 ms 29004 KB Output is correct
4 Correct 16 ms 29024 KB Output is correct
5 Correct 17 ms 28860 KB Output is correct
6 Incorrect 14 ms 28960 KB Wrong Answer [7]
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 32968 KB Output is correct
2 Correct 49 ms 33020 KB Output is correct
3 Correct 50 ms 33124 KB Output is correct
4 Correct 43 ms 30580 KB Output is correct
5 Correct 39 ms 31936 KB Output is correct
6 Correct 41 ms 31376 KB Output is correct
7 Correct 38 ms 31464 KB Output is correct
8 Correct 40 ms 31696 KB Output is correct
9 Incorrect 46 ms 31672 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 28960 KB Output is correct
2 Correct 15 ms 28960 KB Output is correct
3 Correct 14 ms 28960 KB Output is correct
4 Correct 19 ms 29704 KB Output is correct
5 Correct 18 ms 29524 KB Output is correct
6 Correct 20 ms 29760 KB Output is correct
7 Correct 18 ms 29632 KB Output is correct
8 Correct 18 ms 29632 KB Output is correct
9 Correct 38 ms 33488 KB Output is correct
10 Correct 35 ms 33516 KB Output is correct
11 Correct 35 ms 33456 KB Output is correct
12 Correct 15 ms 28988 KB Output is correct
13 Correct 14 ms 28960 KB Output is correct
14 Correct 15 ms 28960 KB Output is correct
15 Correct 14 ms 28968 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 33068 KB Output is correct
2 Incorrect 50 ms 33148 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 33076 KB Output is correct
2 Correct 49 ms 33208 KB Output is correct
3 Incorrect 50 ms 33044 KB Wrong Answer [7]
4 Halted 0 ms 0 KB -