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Submission #1041722

# Submission time Handle Problem Language Result Execution time Memory
1041722 2024-08-02T07:24:13 Z vjudge1 Izlet (COI19_izlet) C++17
0 / 100
 706 ms 35700 KB 
#include<bits/stdc++.h>

using namespace std;

const int N = 3000 + 10;
int c[N][N], n;

void subtask1()
{
  for(int i = 1; i <= n; i ++)
    for(int j = 1; j <= n; j ++)
      c[i][j]--;

  int dist[n + 1], par[n + 1];
  for(int i = 1; i <= n; i ++)
    dist[i] = n + 10, par[i] = -1;
  dist[1] = 0;

  deque<int> Q;
  Q.push_back(1);

  while(Q.size())
    {
      int v = Q.front();
      Q.pop_front();
      for(int u = 1; u <= n; u++)
	{
	  if(u == v) continue;

	  if(dist[v] + c[u][v] < dist[u])
	    {
	      par[u] = v;
	      dist[u] = dist[v] + c[u][v];
	      Q.push_back(u);
	    }
	  else if(dist[u] == dist[v] && !c[u][v] && par[v] != u)
	    par[u] = v;
	}
    }
  for(int i = 1; i <= n; i ++)
    cout << dist[i] % 2 + 1 << ' ';
  cout << endl;

  for(int i = 2; i <= n; i++)
    cout << i << ' ' << par[i] << endl;
}

void subtask2()
{
}

int main()
{
  int t;
  cin >> t >> n;
  for(int i = 1; i <= n; i ++)
    for(int j = 1; j <= n; j ++)
      cin >> c[i][j];
  
  if(t == 1)
    subtask1();
  else
    subtask2();
  return 0;
}

Subtask #1
0 / 18.0

# Verdict Execution time Memory Grader output
1 Failed 1 ms 2396 KB Checker failed - contact admins or jury
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 706 ms 35700 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Failed 1 ms 2396 KB Checker failed - contact admins or jury
2 Halted 0 ms 0 KB -