oj.uz

Submission #257498

# Submission time Handle Problem Language Result Execution time Memory
257498 2020-08-04T11:00:02 Z islingr Amusement Park (JOI17_amusement_park) C++17
64 / 100
 32 ms 4380 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], out[N], timer = 0;
void init(int u) {
  in[u] = timer++;
  for (int v : g[u]) {
    g[v].erase(find(all(g[v]), u));
    p[v] = u; init(v);
  }
  out[u] = timer;
}

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

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 u = P;
	while (u && out[P] - in[u] < B) u = p[u];
	if (B <= out[P] - in[u]) {
		while (P != u) {
			if (add(P, V)) break;
			V = Move(p[P]), P = p[P];
		}
		dfs(P, V);
	} else assert(false);
  return x;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 2180 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 3812 KB Output is correct
2 Correct 29 ms 3812 KB Output is correct
3 Correct 27 ms 3812 KB Output is correct
4 Correct 17 ms 3308 KB Output is correct
5 Correct 17 ms 3660 KB Output is correct
6 Correct 19 ms 3780 KB Output is correct
7 Correct 17 ms 3532 KB Output is correct
8 Correct 19 ms 3660 KB Output is correct
9 Correct 18 ms 3532 KB Output is correct
10 Correct 17 ms 3368 KB Output is correct
11 Correct 15 ms 3276 KB Output is correct
12 Correct 15 ms 3132 KB Output is correct
13 Correct 16 ms 3132 KB Output is correct
14 Correct 16 ms 3140 KB Output is correct
15 Correct 18 ms 3188 KB Output is correct
16 Correct 20 ms 3148 KB Output is correct
17 Correct 19 ms 3400 KB Output is correct
18 Correct 20 ms 3148 KB Output is correct
19 Correct 17 ms 3020 KB Output is correct
20 Correct 16 ms 3660 KB Output is correct
21 Correct 13 ms 3660 KB Output is correct
22 Correct 22 ms 3492 KB Output is correct
23 Correct 17 ms 3660 KB Output is correct
24 Correct 20 ms 3404 KB Output is correct
25 Correct 26 ms 3532 KB Output is correct
26 Correct 20 ms 3744 KB Output is correct
27 Correct 17 ms 3532 KB Output is correct
28 Correct 18 ms 3532 KB Output is correct
29 Correct 17 ms 3388 KB Output is correct
30 Correct 15 ms 3536 KB Output is correct
31 Correct 2 ms 1540 KB Output is correct
32 Correct 2 ms 1788 KB Output is correct
33 Correct 2 ms 1548 KB Output is correct
34 Runtime error 3 ms 2308 KB Execution killed with signal 11 (could be triggered by violating memory limits)
35 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1668 KB Output is correct
2 Correct 2 ms 1788 KB Output is correct
3 Correct 2 ms 1784 KB Output is correct
4 Correct 4 ms 2008 KB Output is correct
5 Correct 4 ms 2128 KB Output is correct
6 Correct 3 ms 2124 KB Output is correct
7 Correct 3 ms 2016 KB Output is correct
8 Correct 3 ms 2012 KB Output is correct
9 Correct 14 ms 4376 KB Output is correct
10 Correct 15 ms 4380 KB Output is correct
11 Correct 13 ms 4300 KB Output is correct
12 Correct 2 ms 1784 KB Output is correct
13 Correct 2 ms 1540 KB Output is correct
14 Correct 2 ms 1784 KB Output is correct
15 Correct 2 ms 1540 KB Output is correct

Subtask #4
54.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 3904 KB Output is correct
2 Correct 28 ms 3684 KB Output is correct
3 Correct 29 ms 3904 KB Output is correct
4 Correct 17 ms 3396 KB Output is correct
5 Correct 17 ms 3916 KB Output is correct
6 Partially correct 17 ms 3732 KB Partially correct
7 Correct 16 ms 3752 KB Output is correct
8 Correct 17 ms 3404 KB Output is correct
9 Correct 16 ms 3404 KB Output is correct
10 Correct 15 ms 3276 KB Output is correct
11 Correct 15 ms 3384 KB Output is correct
12 Correct 16 ms 3004 KB Output is correct
13 Correct 15 ms 3132 KB Output is correct
14 Correct 16 ms 3184 KB Output is correct
15 Correct 17 ms 3148 KB Output is correct
16 Correct 17 ms 3160 KB Output is correct
17 Correct 18 ms 3404 KB Output is correct
18 Partially correct 17 ms 3020 KB Partially correct
19 Correct 17 ms 3160 KB Output is correct
20 Correct 13 ms 3660 KB Output is correct
21 Correct 13 ms 3704 KB Output is correct
22 Correct 17 ms 3532 KB Output is correct
23 Correct 17 ms 3660 KB Output is correct
24 Correct 17 ms 3532 KB Output is correct
25 Correct 16 ms 3740 KB Output is correct
26 Correct 17 ms 3532 KB Output is correct
27 Correct 17 ms 3724 KB Output is correct
28 Correct 17 ms 3404 KB Output is correct
29 Correct 15 ms 3436 KB Output is correct
30 Correct 17 ms 3396 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 3896 KB Output is correct
2 Correct 27 ms 3812 KB Output is correct
3 Correct 27 ms 3900 KB Output is correct
4 Correct 16 ms 3400 KB Output is correct
5 Correct 17 ms 3916 KB Output is correct
6 Correct 17 ms 3656 KB Output is correct
7 Correct 16 ms 3424 KB Output is correct
8 Correct 17 ms 3732 KB Output is correct
9 Correct 16 ms 3660 KB Output is correct
10 Correct 15 ms 3372 KB Output is correct
11 Correct 15 ms 3276 KB Output is correct
12 Correct 15 ms 3208 KB Output is correct
13 Correct 16 ms 3132 KB Output is correct
14 Correct 16 ms 3012 KB Output is correct
15 Correct 17 ms 3148 KB Output is correct
16 Correct 22 ms 3160 KB Output is correct
17 Correct 20 ms 3180 KB Output is correct
18 Incorrect 16 ms 3404 KB Output isn't correct
19 Halted 0 ms 0 KB -