oj.uz

Submission #1077516

# Submission time Handle Problem Language Result Execution time Memory
1077516 2024-08-27T07:47:58 Z danikoynov Amusement Park (JOI17_amusement_park) C++14
10 / 100
 27 ms 4984 KB 
#include "Joi.h"


#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int MAXN = 10010, MAXBIT = 60;
vector < int > adj[MAXN];
int used[MAXN], acord[MAXN];
vector < int > ord;

int last_bit;
void dfs(int v, ll X)
{
  used[v] = 1;
  acord[v] = last_bit;

  /**if (last_bit == 59)
  {
    cout << "info " << (X & ((ll)(1) << last_bit)) << " " << ((X & ((ll)(1) << last_bit)) > 0) << endl;
  }*/
  MessageBoard(v, ((X & ((ll)(1) << last_bit)) > 0));  
  last_bit ++;
  if (last_bit == MAXBIT)
    last_bit = 0;
  ord.push_back(v);
  for (int u : adj[v])
  { 
    if (used[u])
      continue;
    dfs(u, X);
    ord.push_back(v);
  }
}

void build_tree(int N, int M, int A[], int B[], ll X)
{
  for (int i = 0; i < M; i ++)
  {
    adj[A[i]].push_back(B[i]);
    adj[B[i]].push_back(A[i]);
  }

  dfs(0, X);

  ord.pop_back();
}
void Joi(int N, int M, int A[], int B[], long long X, int T) {
  build_tree(N, M, A, B, X);
}

#include "Ioi.h"

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int MAXN = 10010, MAXBIT = 60;
vector < int > graph[MAXN];
int marked[MAXN], linked[MAXN];
vector < int > path;

int next_bit;
void dfs(int v)
{
  marked[v] = 1;
  linked[v] = next_bit ++;
  if (next_bit == MAXBIT)
    next_bit = 0;
  //MessageBoard(v, ((X & ((ll)(1) << bit)) > 0));
  path.push_back(v);
  for (int u : graph[v])
  { 
    if (marked[u])
      continue;
    dfs(u);
    path.push_back(v);
  }
}

void build_tree(int N, int M, int A[], int B[])
{
  for (int i = 0; i < M; i ++)
  {
    graph[A[i]].push_back(B[i]);
    graph[B[i]].push_back(A[i]);
  }

  dfs(0);

  path.pop_back();
}

int bit_val[MAXBIT];

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


  int pos = 0;
  while(path[pos] != P)
    pos ++;
  assert(pos < path.size());
  bit_val[linked[P]] = V;
  int ver = P;
  for (int step = 0; step < 120; step ++)
  {
    int nxt = (pos + 1) % (int)(path.size());
    //cout << "move from " << ver  << " " << path[nxt] << endl;
    bool fine = false;
    for (int j = 0; j < M; j ++)
    {
      if (A[j] == ver && B[j] == path[nxt])
        fine = true;
      if (A[j] == path[nxt] && B[j] == ver)
        fine = true;
    }
    assert(fine);
    ver = path[nxt];  
    int res = Move(ver);
    //cout << "linked " << linked[ver] << " " << res << endl;
    bit_val[linked[ver]] = res;
    pos = nxt;
  }

  ll X = 0;
  for (int bit = 0; bit < MAXBIT; bit ++)
  {
    if (bit_val[bit] > 0)
      X |= ((ll)(1) << bit);
  }
  //cout << "X " << X << endl;
  return X;
}

Compilation message

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Ioi.cpp:3:
Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   assert(pos < path.size());
      |          ~~~~^~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1312 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4912 KB Output is correct
2 Correct 20 ms 4968 KB Output is correct
3 Correct 27 ms 4900 KB Output is correct
4 Correct 13 ms 3392 KB Output is correct
5 Incorrect 12 ms 3908 KB Wrong Answer [7]
6 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1308 KB Output is correct
2 Correct 1 ms 1296 KB Output is correct
3 Correct 1 ms 1300 KB Output is correct
4 Correct 2 ms 1856 KB Output is correct
5 Correct 2 ms 1856 KB Output is correct
6 Correct 3 ms 1944 KB Output is correct
7 Correct 2 ms 1852 KB Output is correct
8 Correct 3 ms 1864 KB Output is correct
9 Correct 9 ms 4424 KB Output is correct
10 Correct 9 ms 4688 KB Output is correct
11 Correct 10 ms 4424 KB Output is correct
12 Correct 1 ms 1300 KB Output is correct
13 Correct 0 ms 1312 KB Output is correct
14 Correct 0 ms 1312 KB Output is correct
15 Correct 1 ms 1300 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 4912 KB Output is correct
2 Incorrect 20 ms 4932 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4916 KB Output is correct
2 Correct 18 ms 4916 KB Output is correct
3 Incorrect 20 ms 4984 KB Wrong Answer [7]
4 Halted 0 ms 0 KB -