oj.uz

답안 #69445

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
69445 2018-08-20T21:34:00 Z IvanC Amusement Park (JOI17_amusement_park) C++17
78 / 100
 56 ms 31720 KB 
#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 10011;
const int MOD = 60;

static vector<int> grafo[MAXN],digitos;
static int dfs_num[MAXN],nivel[MAXN],dfsCount,maior[MAXN],valor[MAXN];

static void dfs(int v){

	dfs_num[v] = dfsCount % MOD;
	dfsCount++;

	for(int u : grafo[v]){
		if(dfs_num[u] != -1) continue;
		nivel[u] = nivel[v] + 1;
		dfs(u);
		maior[v] = max(maior[v],maior[u]);
	}

}

static bool compara(int a,int b){
	return valor[a] < valor[b];
}

void Joi(int N, int M, int A[], int B[], long long X, int T){
	
	memset(dfs_num,-1,sizeof(dfs_num));
	dfsCount = 0;
	for(int i = 0;i<N;i++) grafo[i].clear();
	digitos.clear();

	for(int i = 0;i<MOD;i++){
		if((1LL << i) & X)	digitos.push_back(1);
		else digitos.push_back(0);
	}

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

	knuth_b gen2(1000000009);
	for(int i = 0;i<N;i++) valor[i] = gen2();

	for(int i = 0;i<N;i++) sort(grafo[i].begin(),grafo[i].end(),compara);

	dfs(0);

	if(maior[0] + 1 < MOD){
		for(int i = 0; i < N; i++){	
			MessageBoard(i, digitos[dfs_num[i]]);
		}
	}
	else{
		for(int i = 0;i<N;i++) MessageBoard(i, digitos[nivel[i] % MOD] );
	}

}

#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 10011;
const int MOD = 60;

static deque<int> grafo[MAXN],tree[MAXN];
static int digitos[MOD],freq[MOD],distintos,processado[MAXN],dfsCount,dfs_num[MAXN],qual_digito[MAXN],pai[MAXN],nivel[MAXN],maior[MAXN],valor[MAXN];

static void add_number(int x){
	if(freq[x] == 0) distintos++;
	freq[x]++;
}

static void add_vertex(int v){
	digitos[dfs_num[v]] = qual_digito[v];
	add_number(dfs_num[v]);
}

static void greedy_add(int v){
	int qual = nivel[v] % MOD;
	digitos[qual] = qual_digito[v];
	add_number(qual);
}

static void dfs(int v){

	dfs_num[v] = dfsCount % MOD;
	dfsCount++;

	for(int u : grafo[v]){
		if(dfs_num[u] != -1) continue;
		pai[u] = v;
		nivel[u] = nivel[v] + 1;
		tree[v].push_back(u);
		dfs(u);
		maior[v] = max(maior[v],maior[u]);
	}

}

static void find_ans(int v,int st){

	processado[v] = 1;
	add_vertex(v);
	if(distintos == MOD) return;

	deque<int> temp;

	while(st != -1 && tree[v].front() != st){
		temp.push_front(tree[v].front());
		tree[v].pop_front();
	}

	for(int u : temp) tree[v].push_back(u);
	temp.clear();

	for(int u : tree[v]){
		if(distintos == MOD) return;
		if(processado[u]) continue;
		int davez = Move(u);
		qual_digito[u] = davez;
		find_ans(u,-1);
		if(distintos == MOD) return;
		Move(v);
	}

	if(distintos != MOD){
		int davez = Move(pai[v]);
		qual_digito[pai[v]] = davez;
		find_ans(pai[v],v);
	}

}

static void greedy(int v){

	greedy_add(v);
	while(v != 0 && distintos != MOD){
		int u = pai[v];
		qual_digito[u] = Move(u);
		greedy_add(u);
		v = u;
	}

	if(distintos == MOD) return;

	while(distintos != MOD){
		int mx = -1,alvo = -1;
		for(int u : tree[v]){
			if(maior[u] > mx){
				mx = maior[u];
				alvo = u;
			}
		}
		qual_digito[alvo] = Move(alvo);
		greedy_add(alvo);
		v = alvo;
	}

}

static bool compara(int a,int b){
	return valor[a] < valor[b];
}

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {

	memset(dfs_num,-1,sizeof(dfs_num));
	memset(processado,0,sizeof(processado));
	memset(freq,0,sizeof(freq));
	dfsCount = 0;
	distintos = 0;
	for(int i = 0;i<N;i++) grafo[i].clear();
	for(int i = 0;i<N;i++) tree[i].clear();

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

	knuth_b gen1(1000000009);
	for(int i = 0;i<N;i++) valor[i] = gen1();

	for(int i = 0;i<N;i++) sort(grafo[i].begin(),grafo[i].end(),compara);

	dfs(0);

	qual_digito[P] = V;

	if(maior[0] + 1 < MOD) find_ans(P,-1);
	else greedy(P);

	long long ans = 0;
	for(int i = 0;i<MOD;i++) if(digitos[i]) ans += (1LL << i);

	return ans;

}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 14760 KB Output is correct
2 Correct 19 ms 28260 KB Output is correct
3 Correct 20 ms 28344 KB Output is correct
4 Correct 17 ms 28424 KB Output is correct
5 Correct 16 ms 28424 KB Output is correct
6 Correct 22 ms 28464 KB Output is correct
7 Correct 17 ms 28504 KB Output is correct
8 Correct 20 ms 28504 KB Output is correct
9 Correct 17 ms 28512 KB Output is correct
10 Correct 20 ms 28520 KB Output is correct
11 Correct 24 ms 28564 KB Output is correct
12 Correct 18 ms 28608 KB Output is correct
13 Correct 21 ms 28608 KB Output is correct
14 Correct 19 ms 28636 KB Output is correct
15 Correct 17 ms 28664 KB Output is correct
16 Correct 17 ms 28664 KB Output is correct
17 Correct 20 ms 28664 KB Output is correct
18 Correct 17 ms 28668 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 29956 KB Output is correct
2 Correct 48 ms 31240 KB Output is correct
3 Correct 49 ms 31240 KB Output is correct
4 Correct 37 ms 31240 KB Output is correct
5 Correct 42 ms 31240 KB Output is correct
6 Correct 39 ms 31240 KB Output is correct
7 Correct 36 ms 31240 KB Output is correct
8 Correct 38 ms 31240 KB Output is correct
9 Correct 35 ms 31240 KB Output is correct
10 Correct 38 ms 31240 KB Output is correct
11 Correct 38 ms 31240 KB Output is correct
12 Correct 34 ms 31240 KB Output is correct
13 Correct 44 ms 31240 KB Output is correct
14 Correct 34 ms 31240 KB Output is correct
15 Correct 38 ms 31240 KB Output is correct
16 Correct 34 ms 31240 KB Output is correct
17 Correct 36 ms 31240 KB Output is correct
18 Correct 34 ms 31240 KB Output is correct
19 Correct 43 ms 31240 KB Output is correct
20 Correct 33 ms 31240 KB Output is correct
21 Correct 34 ms 31240 KB Output is correct
22 Correct 33 ms 31240 KB Output is correct
23 Correct 36 ms 31240 KB Output is correct
24 Correct 33 ms 31240 KB Output is correct
25 Correct 34 ms 31240 KB Output is correct
26 Correct 46 ms 31240 KB Output is correct
27 Correct 35 ms 31240 KB Output is correct
28 Correct 34 ms 31240 KB Output is correct
29 Correct 31 ms 31240 KB Output is correct
30 Correct 33 ms 31240 KB Output is correct
31 Correct 16 ms 31240 KB Output is correct
32 Correct 16 ms 31240 KB Output is correct
33 Correct 18 ms 31240 KB Output is correct
34 Correct 19 ms 31240 KB Output is correct
35 Correct 18 ms 31240 KB Output is correct
36 Correct 20 ms 31240 KB Output is correct
37 Correct 17 ms 31240 KB Output is correct
38 Correct 18 ms 31240 KB Output is correct
39 Correct 16 ms 31240 KB Output is correct
40 Correct 18 ms 31240 KB Output is correct
41 Correct 24 ms 31240 KB Output is correct
42 Correct 20 ms 31240 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 31240 KB Output is correct
2 Correct 19 ms 31240 KB Output is correct
3 Correct 18 ms 31240 KB Output is correct
4 Correct 22 ms 31240 KB Output is correct
5 Correct 27 ms 31240 KB Output is correct
6 Correct 24 ms 31240 KB Output is correct
7 Correct 21 ms 31240 KB Output is correct
8 Correct 26 ms 31240 KB Output is correct
9 Correct 39 ms 31480 KB Output is correct
10 Correct 43 ms 31720 KB Output is correct
11 Correct 47 ms 31720 KB Output is correct
12 Correct 17 ms 31720 KB Output is correct
13 Correct 16 ms 31720 KB Output is correct
14 Correct 18 ms 31720 KB Output is correct
15 Correct 18 ms 31720 KB Output is correct

Subtask #4
50.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 31720 KB Output is correct
2 Correct 47 ms 31720 KB Output is correct
3 Correct 47 ms 31720 KB Output is correct
4 Correct 36 ms 31720 KB Output is correct
5 Correct 38 ms 31720 KB Output is correct
6 Partially correct 41 ms 31720 KB Partially correct
7 Correct 40 ms 31720 KB Output is correct
8 Correct 41 ms 31720 KB Output is correct
9 Correct 40 ms 31720 KB Output is correct
10 Correct 36 ms 31720 KB Output is correct
11 Correct 39 ms 31720 KB Output is correct
12 Correct 39 ms 31720 KB Output is correct
13 Correct 37 ms 31720 KB Output is correct
14 Correct 32 ms 31720 KB Output is correct
15 Correct 36 ms 31720 KB Output is correct
16 Correct 35 ms 31720 KB Output is correct
17 Correct 52 ms 31720 KB Output is correct
18 Correct 36 ms 31720 KB Output is correct
19 Correct 42 ms 31720 KB Output is correct
20 Correct 34 ms 31720 KB Output is correct
21 Correct 38 ms 31720 KB Output is correct
22 Correct 37 ms 31720 KB Output is correct
23 Correct 40 ms 31720 KB Output is correct
24 Correct 36 ms 31720 KB Output is correct
25 Correct 34 ms 31720 KB Output is correct
26 Correct 35 ms 31720 KB Output is correct
27 Correct 33 ms 31720 KB Output is correct
28 Correct 35 ms 31720 KB Output is correct
29 Correct 32 ms 31720 KB Output is correct
30 Correct 35 ms 31720 KB Output is correct

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 31720 KB Output is correct
2 Correct 56 ms 31720 KB Output is correct
3 Correct 50 ms 31720 KB Output is correct
4 Incorrect 40 ms 31720 KB Output isn't correct
5 Halted 0 ms 0 KB -