| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 552447 | Killer2501 | Amusement Park (JOI17_amusement_park) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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];
set<pii> leaf;
set<int> st[N];
void dfs(int u)
{
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;
d[u] = v;
leaf.erase(it);
for(int x: st[v])
{
leaf.erase({st[x].size(), x});
st[x].erase(v);
leaf.insert({st[x].size(), x});
}
st[v].clear();
}
leaf.insert({0, d[u]});
if(u != 0)
{
int v = d[par[u]];
leaf.erase({st[d[u]].size(), d[u]});
leaf.erase({st[v].size(), v});
st[v].insert(d[u]);
st[d[u]].insert(v);
leaf.insert({st[d[u]].size(), d[u]});
leaf.insert({st[v].size(), v});
}
//cout << u <<" "<<d[u]<<'\n';
for(int v: adj[u])
{
if(vis[v])continue;
par[v] = u;
dfs(v);
}
}
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();
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];
set<pii> leaf;
set<int> st[N];
void dfs(int u)
{
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;
d[u] = v;
leaf.erase(it);
for(int x: st[v])
{
leaf.erase({st[x].size(), x});
st[x].erase(v);
leaf.insert({st[x].size(), x});
}
st[v].clear();
}
leaf.insert({0, d[u]});
if(u != 0)
{
int v = d[par[u]];
leaf.erase({st[d[u]].size(), d[u]});
leaf.erase({st[v].size(), v});
st[v].insert(d[u]);
st[d[u]].insert(v);
leaf.insert({st[d[u]].size(), d[u]});
leaf.insert({st[v].size(), v});
}
//cout << u <<" "<<d[u]<<'\n';
for(int v: adj[u])
{
if(vis[v])continue;
par[v] = u;
dfs(v);
}
}
map<pii, int> mp;
int lst;
void cal(int u)
{
//cout << u <<" "<<d[u]<<" "<<a[d[u]]<<'\n';
for(int v: adj[u])
{
if(a[d[v]] == -1)
{
assert(mp[{lst, v}] > 0);
lst = v;
a[d[v]] = Move(v);
cal(v);
assert(mp[{lst, u}] > 0);
lst = u;
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();
}
leaf.clear();
cnt = 0;
mp.clear();
for(int i = 0; i < m; i ++)
{
adj[A[i]].pb(B[i]);
adj[B[i]].pb(A[i]);
mp[A[i]][B[i]] = mp[B[i]][A[i]] = 1;
}
fill_n(d, n, -1);
fill_n(par, n, -1);
fill_n(vis, n, 0);
dfs(0);
fill_n(a, M, -1);
a[d[P]] = V;
lst = P;
cal(P);
ll res = 0;
for(int i = 0; i < M; i ++)
{
//cout << a[i] <<" "<<i<<'\n';
if(a[i])
res |= (1ll<<i);
}
return res;
}