제출 #49922

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
49922		MatheusLealV	Amusement Park (JOI17_amusement_park)	C++17	10 / 100	48 ms	9596 KiB

Joi

#include "Joi.h"
#include <bits/stdc++.h>
#define maxn 10005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

static int idx[maxn], pai[maxn], deep[maxn], cnt, maior;

static vector<int> grafo[maxn], tree[maxn];

void dfs(int x)
{
	idx[x] = cnt++;

	maior = max(maior, deep[x] + 1);

	for(auto v: grafo[x])
	{
		if(idx[v] != -1) continue;

		pai[v] = x;

		deep[v] = deep[x] + 1;

		tree[x].push_back(v);

		tree[v].push_back(x);

		dfs(v);
	}
}

void Joi(int N, int M, int A[], int B[], ll X, int T)
{
	memset(idx, -1, sizeof idx);

	for(int i = 0; i < M; i++)
	{
		grafo[A[i]].push_back(B[i]);

		grafo[B[i]].push_back(A[i]);
	}

	dfs(0);
	
	for(int i = 0; i < N; i++)
	{
		int id = (idx[i] % 60);

		if(X & (1LL<<id)) MessageBoard(i, 1);

		else MessageBoard(i, 0);
	}
}

Ioi

#include "Ioi.h"
#include <bits/stdc++.h>
#define maxn 10005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

static int idx2[maxn], pai2[maxn], deep2[maxn], cnt2, maior2, dp[maxn];

static int opt[maxn];

static vector<int> grafo2[maxn], tree2[maxn];

static ll ans = 0;

static set<int> usados;

void dfs2(int x)
{
	idx2[x] = cnt2++;

	maior2 = max(maior2, deep2[x] + 1);

	dp[x] = 0;

	for(auto v: grafo2[x])
	{
		if(idx2[v] != -1) continue;

		pai2[v] = x;

		deep2[v] = deep2[x] + 1;

		tree2[x].push_back(v);

		tree2[v].push_back(x);

		dfs2(v);

		if(dp[v] + 1 > dp[x]) dp[x] = dp[v] + 1, opt[x] = v;
	}
}

ll Ioi(int N, int M, int A[], int B[], int P, int V, int T)
{
	memset(idx2, -1, sizeof idx2);

	for(int i = 0; i < M; i++)
	{
		grafo2[A[i]].push_back(B[i]);

		grafo2[B[i]].push_back(A[i]);
	}

	dfs2(0);

	for(int i = 0; i < N; i++) deep2[i] = idx2[i]%60;

	usados.insert(deep2[P] % 60);

	if(V) ans += (1LL<< (deep2[P]%60) );

	while(P != 0 and usados.size() < 60)
	{
		ll val = Move(pai2[P]), aux = deep2[pai2[P]]%60;

		if(val && !usados.count(aux)) ans += (1LL<< (aux) );

		usados.insert(aux);

		P = pai2[P];
	}

	if(usados.size() >= 60) return ans;

	while(usados.size() < 60 and opt[P])
	{
		ll val = Move(opt[P]), aux = deep2[opt[P]]%60;

		if(val && !usados.count(aux)) ans += (1LL<< (aux) );

		usados.insert(aux);

		P = opt[P];
	}

	return ans;
}

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