oj.uz

Submission #1096250

# Submission time Handle Problem Language Result Execution time Memory
1096250 2024-10-04T07:00:10 Z LucaLucaM Amusement Park (JOI17_amusement_park) C++17
18 / 100
 22 ms 4636 KB 
#include "Joi.h"
#include <vector>
#include <algorithm>

using ll = long long;
const int NMAX = 10'000;

std::vector<int> g[NMAX + 1];
int value[NMAX + 1];
bool vis[NMAX + 1];

std::vector<int> order;
void dfs(int u) {
  order.push_back(u);
  vis[u] = true;
  for (const auto &v : g[u]) {
    if (!vis[v]) {
      dfs(v);
    }
  }
}


void Joi(int n, int m, int a[], int b[], long long X, int T) {
  for (int i = 0; i < m; i++) {
    g[a[i]].push_back(b[i]);
    g[b[i]].push_back(a[i]);
  }
  for (int i = 0; i < n; i++) {
    std::sort(g[i].begin(), g[i].end());
  }
  dfs(0);
  for (int i = 0; i < 60; i++) {
    value[order[i]] = ((ll) X >> i) & 1LL;
  }
  for (int i = 0; i < n; i++) {
    MessageBoard(i, value[i]);
  }
}

#include "Ioi.h"
#include <vector>
#include <algorithm>
#include <cassert>

using ll = long long;
const int NMAX = 10'000;

std::vector<int> g[NMAX + 1];
int value[NMAX + 1];
bool vis[NMAX + 1];
int parent[NMAX + 1];

std::vector<int> order;
void dfs(int u) {
  order.push_back(u);
  vis[u] = true;
  for (const auto &v : g[u]) {
    if (!vis[v]) {
      parent[v] = u;
      dfs(v);
    }
  }
}

bool hasSon(int u, int v) { // v e fiu al lui u?
  for (const auto &w : g[u]) {
    if (v == w) {
      return true;
    }
  }
  return false;
}

long long Ioi(int n, int m, int a[], int b[], int P, int V, int T) {
  for (int i = 0; i < m; i++) {
    g[a[i]].push_back(b[i]);
    g[b[i]].push_back(a[i]);
  }
  for (int i = 0; i < n; i++) {
    std::sort(g[i].begin(), g[i].end());
  }
  dfs(0);
  int u = P;
  ll answer = 0;
  if (u == 0) {
    Move(g[0][0]);
    answer = Move(0);
  }
  while (u != 0) {
    u = parent[u];
    answer = Move(u);
  }
  for (int i = 1; i < 60; i++) {
    while (u != 0 && !hasSon(u, order[i])) {
      u = parent[u];
      Move(u);
    }
    assert(hasSon(u, order[i]));
    if (Move(order[i])) {
      answer |= (1LL << i);
    }
    u = order[i];
  }
  return answer;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1292 KB Output is correct
2 Correct 1 ms 1308 KB Output is correct
3 Correct 1 ms 1304 KB Output is correct
4 Correct 1 ms 1308 KB Output is correct
5 Correct 0 ms 1308 KB Output is correct
6 Correct 0 ms 1300 KB Output is correct
7 Correct 1 ms 1304 KB Output is correct
8 Correct 2 ms 1312 KB Output is correct
9 Correct 1 ms 1304 KB Output is correct
10 Correct 1 ms 1308 KB Output is correct
11 Correct 3 ms 1632 KB Output is correct
12 Correct 1 ms 1304 KB Output is correct
13 Correct 1 ms 1304 KB Output is correct
14 Correct 1 ms 1304 KB Output is correct
15 Correct 1 ms 1312 KB Output is correct
16 Correct 1 ms 1304 KB Output is correct
17 Correct 1 ms 1312 KB Output is correct
18 Correct 0 ms 1304 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 4444 KB Output is correct
2 Correct 22 ms 4540 KB Output is correct
3 Correct 17 ms 4636 KB Output is correct
4 Correct 11 ms 3128 KB Output is correct
5 Correct 10 ms 3384 KB Output is correct
6 Correct 9 ms 3376 KB Output is correct
7 Correct 9 ms 3388 KB Output is correct
8 Correct 9 ms 3356 KB Output is correct
9 Correct 9 ms 3436 KB Output is correct
10 Correct 9 ms 3352 KB Output is correct
11 Correct 10 ms 3384 KB Output is correct
12 Correct 7 ms 2844 KB Output is correct
13 Correct 8 ms 2848 KB Output is correct
14 Correct 9 ms 2864 KB Output is correct
15 Correct 9 ms 3120 KB Output is correct
16 Correct 9 ms 3048 KB Output is correct
17 Correct 9 ms 3124 KB Output is correct
18 Correct 9 ms 3124 KB Output is correct
19 Correct 11 ms 3124 KB Output is correct
20 Correct 9 ms 3660 KB Output is correct
21 Correct 7 ms 3648 KB Output is correct
22 Correct 9 ms 3380 KB Output is correct
23 Correct 9 ms 3388 KB Output is correct
24 Correct 13 ms 3480 KB Output is correct
25 Correct 9 ms 3632 KB Output is correct
26 Correct 9 ms 3376 KB Output is correct
27 Correct 9 ms 3380 KB Output is correct
28 Correct 9 ms 3384 KB Output is correct
29 Correct 9 ms 3364 KB Output is correct
30 Correct 9 ms 3316 KB Output is correct
31 Correct 0 ms 1560 KB Output is correct
32 Correct 0 ms 1300 KB Output is correct
33 Correct 1 ms 1312 KB Output is correct
34 Correct 1 ms 1296 KB Output is correct
35 Correct 0 ms 1292 KB Output is correct
36 Correct 1 ms 1308 KB Output is correct
37 Correct 0 ms 1308 KB Output is correct
38 Correct 0 ms 1308 KB Output is correct
39 Correct 0 ms 1376 KB Output is correct
40 Correct 0 ms 1296 KB Output is correct
41 Correct 0 ms 1304 KB Output is correct
42 Correct 0 ms 1292 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1288 KB Output is correct
2 Correct 1 ms 1292 KB Output is correct
3 Correct 0 ms 1304 KB Output is correct
4 Correct 2 ms 1844 KB Output is correct
5 Incorrect 2 ms 1848 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0.0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -