oj.uz

Submission #1080264

# Submission time Handle Problem Language Result Execution time Memory
1080264 2024-08-29T08:26:41 Z KaleemRazaSyed Stations (IOI20_stations) C++17
0 / 100
 611 ms 1196 KB 
#include<bits/stdc++.h>
#include "stations.h"

using namespace std;

const int N = 1000;
vector<int> G[N];
int in[N], out[N];
int emit = 0;

void add_edge(int x, int y)
{
  G[x].push_back(y);
  G[y].push_back(x);
}

void dfs(int v, int p = -1)
{
  in[v] = emit++;
  for(int u : G[v])
    if(u != p)
      dfs(u, v);
  out[v] = emit;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v)
{
  /* emit = 0;
  for(int i = 0; i < n; i ++)
    G[i].clear();
  
  for(int i = 0; i < u.size(); i ++)
    add_edge(u[i], v[i]);

  for(int i = 0; i < N; i ++)
    if(G[i].size() == 1)
      {
	dfs(i);
	break;
      }
  */  
  vector<int> l(n);
  for(int i = 0; i < n; i ++)
    {
      l[i] = i; //  * N + out[i] - 1;
    } 
  return l;
}

int find_next_station(int s, int t, vector<int> c)
{
  if(t < s) return s / 2;

  vector<int> path;
  while(t > s)
    path.push_back(t), t /= 2;

  if(t == s) return path.back();
  return s / 2;
    
    
    
  
  // int ins = s / N, outs = s % N + 1;
  // int in_t = t / N, outt = t % N + 1;
  /* if(s < t)
    return s + 1;
  return s - 1;
  */
  /*
  int p = -1;
  for(int i : c)
    {
      
      int ini = i / N, outi = i % N + 1;
      if(ini <= ins && outs <= outi)
	{
	  p = i;
	  continue;
	}
      
      if(ini <= in_t && outt <= outi)
	return i;
    }
  assert(p != -1);
  return p;
  */}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 417 ms 1196 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 304 ms 824 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 354 ms 940 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 611 ms 684 KB Output is correct
2 Incorrect 511 ms 684 KB Wrong query response.
3 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 333 ms 684 KB Wrong query response.
2 Halted 0 ms 0 KB -