Submission #257550

# Submission time Handle Problem Language Result Execution time Memory
257550 2020-08-04T11:59:29 Z islingr Amusement Park (JOI17_amusement_park) C++17
65 / 100
28 ms 4344 KB
#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for (auto i = (a); i < (b); ++i)
#define all(x) begin(x), end(x)

using ll = long long;

namespace {
const int N = 1 << 14, B = 60;
int nxt[N];
int head(int u) { return nxt[u] != u ? nxt[u] = head(nxt[u]) : u; }
bool unite(int u, int v) {
	u = head(u); v = head(v);
	if (u == v) return 0;
	nxt[u] = v; return 1;
}

vector<int> g[N];
int timer = 0; ll x;
void dfs(int u, int p) {
	MessageBoard(u, x >> timer & 1);
	if (++timer == B) timer = 0;
	for (int v : g[u]) if (v != p) dfs(v, u);
}
}

void Joi(int n, int m, int a[], int b[], ll X, int t) {
	rep(u, 0, n) nxt[u] = u;
	rep(e, 0, m) {
		if (unite(a[e], b[e])) {
			g[a[e]].push_back(b[e]);
			g[b[e]].push_back(a[e]);
		}
	}
	x = X; dfs(0, -1);
}
#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for (auto i = (a); i < (b); ++i)
#define all(x) begin(x), end(x)

using ll = long long;

namespace {
const int N = 1 << 14, B = 60;
int nxt[N];
int head(int u) { return nxt[u] != u ? nxt[u] = head(nxt[u]) : u; }
bool unite(int u, int v) {
	u = head(u); v = head(v);
	if (u == v) return 0;
	nxt[u] = v; return 1;
}

vector<int> g[N];
int p[N], in[N], timer = 0;
void init(int u) {
	in[u] = timer;
	if (++timer == B) timer = 0;
	for (int v : g[u]) {
		g[v].erase(find(all(g[v]), u));
		p[v] = u; init(v);
	}
}

const ll U = (1ll << B) - 1;
int cnt; ll cur;
void dummy_move() { ++cnt; }
bool dummy_add(int u) {
	cur |= 1ll << in[u];
	return cur == U;
}
bool dummy_dfs(int u) {
	dummy_add(u);
	if (cur == U) return 1;
	for (int v : g[u]) {
		dummy_move();
		if (dummy_dfs(v)) return 1;
		dummy_move();
	}
	return 0;
}

ll x = 0;
bool add(int u, ll z) {
	cur |= 1ll << in[u];
	x |= z << in[u];
	return cur == U;
}
bool dfs(int u, ll z) {
	if (add(u, z)) return 1;
	for (int v : g[u]) {
		if (dfs(v, Move(v))) return 1;
		Move(u);
	}
	return 0;
}
}

ll Ioi(int n, int m, int a[], int b[], int P, int V, int T) {
	rep(u, 0, n) nxt[u] = u;
	rep(e, 0, m) {
		if (unite(a[e], b[e])) {
			g[a[e]].push_back(b[e]);
			g[b[e]].push_back(a[e]);
		}
	}
	init(0);
	int s = -1;
	rep(i, 0, 2 * B + 1) {
		int u = P; cur = cnt = 0;
		rep(j, 0, i) dummy_add(u), dummy_move(), u = p[u];
		if (!dummy_dfs(u)) continue;
		if (cnt > 2 * B) continue;
		s = u; break;
	}
	assert(0 <= s);
	cur = 0;
	while (P != s) add(P, V), V = Move(p[P]), P = p[P];
	dfs(P, V);
	return x;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1784 KB Output is correct
2 Correct 2 ms 1544 KB Output is correct
3 Correct 2 ms 1552 KB Output is correct
4 Correct 2 ms 1768 KB Output is correct
5 Correct 2 ms 1544 KB Output is correct
6 Correct 2 ms 1544 KB Output is correct
7 Correct 2 ms 1776 KB Output is correct
8 Correct 2 ms 1600 KB Output is correct
9 Correct 2 ms 1756 KB Output is correct
10 Correct 2 ms 1672 KB Output is correct
11 Runtime error 6 ms 2604 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 27 ms 4064 KB Output is correct
2 Correct 27 ms 4160 KB Output is correct
3 Correct 28 ms 4168 KB Output is correct
4 Correct 16 ms 3408 KB Output is correct
5 Correct 16 ms 3756 KB Output is correct
6 Correct 18 ms 3644 KB Output is correct
7 Correct 17 ms 3756 KB Output is correct
8 Correct 17 ms 3868 KB Output is correct
9 Correct 23 ms 3876 KB Output is correct
10 Correct 20 ms 3628 KB Output is correct
11 Correct 18 ms 3376 KB Output is correct
12 Correct 16 ms 3336 KB Output is correct
13 Correct 15 ms 3220 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3404 KB Output is correct
16 Correct 17 ms 3412 KB Output is correct
17 Correct 17 ms 3400 KB Output is correct
18 Correct 18 ms 3244 KB Output is correct
19 Correct 22 ms 3404 KB Output is correct
20 Correct 14 ms 3960 KB Output is correct
21 Correct 15 ms 3756 KB Output is correct
22 Correct 17 ms 3684 KB Output is correct
23 Correct 18 ms 3628 KB Output is correct
24 Correct 17 ms 3664 KB Output is correct
25 Correct 17 ms 3644 KB Output is correct
26 Correct 17 ms 3876 KB Output is correct
27 Correct 17 ms 3628 KB Output is correct
28 Correct 17 ms 3864 KB Output is correct
29 Correct 17 ms 3568 KB Output is correct
30 Correct 15 ms 3488 KB Output is correct
31 Correct 2 ms 1544 KB Output is correct
32 Correct 2 ms 1776 KB Output is correct
33 Correct 2 ms 1552 KB Output is correct
34 Correct 2 ms 1784 KB Output is correct
35 Correct 2 ms 1660 KB Output is correct
36 Correct 2 ms 1788 KB Output is correct
37 Correct 2 ms 1544 KB Output is correct
38 Runtime error 2 ms 2184 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1772 KB Output is correct
2 Correct 2 ms 1648 KB Output is correct
3 Correct 2 ms 1788 KB Output is correct
4 Correct 4 ms 1972 KB Output is correct
5 Correct 3 ms 1844 KB Output is correct
6 Correct 4 ms 2000 KB Output is correct
7 Correct 3 ms 1844 KB Output is correct
8 Correct 4 ms 2008 KB Output is correct
9 Correct 15 ms 4268 KB Output is correct
10 Correct 15 ms 4268 KB Output is correct
11 Correct 13 ms 4344 KB Output is correct
12 Correct 2 ms 1544 KB Output is correct
13 Correct 2 ms 1544 KB Output is correct
14 Correct 2 ms 1788 KB Output is correct
15 Correct 2 ms 1544 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 28 ms 4156 KB Output is correct
2 Correct 28 ms 4332 KB Output is correct
3 Correct 27 ms 3992 KB Output is correct
4 Correct 17 ms 3372 KB Output is correct
5 Correct 17 ms 4012 KB Output is correct
6 Correct 17 ms 3628 KB Output is correct
7 Correct 20 ms 3880 KB Output is correct
8 Correct 20 ms 3700 KB Output is correct
9 Correct 27 ms 3500 KB Output is correct
10 Correct 19 ms 3620 KB Output is correct
11 Correct 20 ms 3632 KB Output is correct
12 Correct 15 ms 3348 KB Output is correct
13 Correct 16 ms 3332 KB Output is correct
14 Correct 15 ms 3436 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 17 ms 3244 KB Output is correct
17 Correct 19 ms 3404 KB Output is correct
18 Correct 16 ms 3244 KB Output is correct
19 Correct 16 ms 3372 KB Output is correct
20 Correct 14 ms 3756 KB Output is correct
21 Correct 15 ms 3836 KB Output is correct
22 Correct 18 ms 3628 KB Output is correct
23 Correct 18 ms 3656 KB Output is correct
24 Correct 17 ms 3500 KB Output is correct
25 Correct 18 ms 3892 KB Output is correct
26 Correct 17 ms 3628 KB Output is correct
27 Correct 18 ms 3852 KB Output is correct
28 Correct 18 ms 3628 KB Output is correct
29 Correct 16 ms 3476 KB Output is correct
30 Correct 17 ms 3660 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 28 ms 3992 KB Output is correct
2 Correct 27 ms 4168 KB Output is correct
3 Correct 28 ms 4120 KB Output is correct
4 Correct 17 ms 3404 KB Output is correct
5 Correct 17 ms 4140 KB Output is correct
6 Correct 17 ms 3664 KB Output is correct
7 Correct 16 ms 3500 KB Output is correct
8 Correct 17 ms 3868 KB Output is correct
9 Correct 17 ms 3628 KB Output is correct
10 Correct 15 ms 3628 KB Output is correct
11 Correct 15 ms 3376 KB Output is correct
12 Correct 16 ms 3344 KB Output is correct
13 Correct 15 ms 3340 KB Output is correct
14 Correct 17 ms 3436 KB Output is correct
15 Correct 16 ms 3428 KB Output is correct
16 Correct 16 ms 3412 KB Output is correct
17 Correct 17 ms 3372 KB Output is correct
18 Correct 18 ms 3408 KB Output is correct
19 Correct 19 ms 3400 KB Output is correct
20 Correct 15 ms 3756 KB Output is correct
21 Correct 13 ms 3840 KB Output is correct
22 Correct 17 ms 3500 KB Output is correct
23 Correct 17 ms 3664 KB Output is correct
24 Correct 19 ms 3664 KB Output is correct
25 Correct 17 ms 3628 KB Output is correct
26 Correct 17 ms 3500 KB Output is correct
27 Correct 20 ms 3732 KB Output is correct
28 Correct 18 ms 3840 KB Output is correct
29 Correct 18 ms 3616 KB Output is correct
30 Correct 17 ms 3616 KB Output is correct
31 Correct 2 ms 1672 KB Output is correct
32 Correct 2 ms 1772 KB Output is correct
33 Correct 2 ms 1552 KB Output is correct
34 Correct 2 ms 1784 KB Output is correct
35 Correct 2 ms 1544 KB Output is correct
36 Correct 2 ms 1544 KB Output is correct
37 Correct 2 ms 1544 KB Output is correct
38 Runtime error 3 ms 2444 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Halted 0 ms 0 KB -