Submission #228051

#	Time	Username	Problem	Language	Result	Execution time	Memory
228051		qkxwsm	Amusement Park (JOI17_amusement_park)	C++14	18 / 100	41 ms	3808 KiB

Joi

#include "Joi.h"
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
    if (a > b) a = b;
}

template<class T, class U>
void ckmax(T &a, U b)
{
    if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

static const int MAXN = 10013;

static int N;
static vi edge[MAXN];
static int dsu[MAXN];

static int get(int u)
{
    return (u == dsu[u] ? u : dsu[u] = get(dsu[u]));
}
static bool merge(int u, int v)
{
    u = get(u);
    v = get(v);
    if (u == v)
    {
        return false;
    }
    dsu[u] = v;
    return true;
}

void Joi(int n, int m, int e1[], int e2[], ll val, int subtask)
{
    N = n;
    iota(dsu, dsu + N, 0);
    FOR(i, 0, m)
    {
        int u = e1[i], v = e2[i];
        if (merge(u, v))
        {
            edge[u].PB(v);
            edge[v].PB(u);
            // cerr << "edge " << u << ' ' << v << endl;
        }
    }
    // cerr << "ALIVE\n";
    FOR(i, 0, N)
    {
        int cur = 0;
        if (i < 60 && (val & (1ll << i)) > 0)
        {
            cur = 1;
        }
        // cerr << "message " << i << ' ' << cur << endl;
        MessageBoard(i, cur);
    }
}

Ioi

#include "Ioi.h"
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
    if (a > b) a = b;
}

template<class T, class U>
void ckmax(T &a, U b)
{
    if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

static const int MAXN = 10013;

static int N;
static vi edge[MAXN];
static int dsu[MAXN];
static bool val[MAXN];
static ll ans;

static int get(int u)
{
    return (u == dsu[u] ? u : dsu[u] = get(dsu[u]));
}
static bool merge(int u, int v)
{
    u = get(u);
    v = get(v);
    if (u == v)
    {
        return false;
    }
    dsu[u] = v;
    return true;
}
void dfs(int u, int p)
{
    for (int v : edge[u])
    {
        if (v == p) continue;
        val[v] = Move(v);
        dfs(v, u);
        Move(u);
    }
}

ll Ioi(int n, int m, int e1[], int e2[], int st, int va, int subtask)
{
    N = n;
    iota(dsu, dsu + N, 0);
    FOR(i, 0, m)
    {
        int u = e1[i], v = e2[i];
        if (merge(u, v))
        {
            edge[u].PB(v);
            edge[v].PB(u);
            // cerr << "edge " << u << ' ' << v << endl;
        }
    }
    val[st] = va;
    dfs(st, N);
    FOR(i, 0, 60)
    {
        if (val[i])
        {
            ans += (1ll << i);
        }
    }
    return ans;
}

• Subtask 1: 8 / 8
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17