oj.uz

Submission #257409

# Submission time Handle Problem Language Result Execution time Memory
257409 2020-08-04T08:53:26 Z islingr Amusement Park (JOI17_amusement_park) C++17
10 / 100
 36 ms 5576 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]; bool vis[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);
  }
}

ll U = (1ll << B) - 1, cur = 0, x = 0;
bool dfs(int u, ll z) {
  vis[u] = true;
  assert(~cur & 1ll << in[u]);
  cur |= 1ll << in[u];
  x |= z << in[u];
  if (cur == U) return true;
  for (int v : g[u]) {
    if (vis[v]) continue;
    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); while (!dfs(P, V)) V = Move(p[P]), P = p[P];
  return x;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 2300 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 27 ms 4004 KB Output is correct
2 Runtime error 28 ms 5540 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1544 KB Output is correct
2 Correct 2 ms 1684 KB Output is correct
3 Correct 4 ms 1664 KB Output is correct
4 Correct 5 ms 1844 KB Output is correct
5 Correct 4 ms 2000 KB Output is correct
6 Correct 4 ms 1972 KB Output is correct
7 Correct 3 ms 1972 KB Output is correct
8 Correct 4 ms 1972 KB Output is correct
9 Correct 16 ms 4372 KB Output is correct
10 Correct 17 ms 4268 KB Output is correct
11 Correct 14 ms 4324 KB Output is correct
12 Correct 2 ms 1672 KB Output is correct
13 Correct 2 ms 1544 KB Output is correct
14 Correct 2 ms 1544 KB Output is correct
15 Correct 2 ms 1784 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 4156 KB Output is correct
2 Runtime error 33 ms 5568 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 4148 KB Output is correct
2 Runtime error 32 ms 5576 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -