oj.uz

Submission #1073791

# Submission time Handle Problem Language Result Execution time Memory
1073791 2024-08-24T21:12:14 Z Osplei Stations (IOI20_stations) C++17
5 / 100
 701 ms 25520 KB 
    #include "stations.h"
    #include <bits/stdc++.h>
     
    using namespace std;
     
    #define pb push_back

    int pos = 0;
     
    vector <int> bfs (int n, int nodo, vector <int> grafo[1000005]){
      vector <int> aux(n);
      bool visto[1000005];
      queue <int> q;

      pos = 0;
     
      for (int i = 0; i < 1000005; i++) visto[i] = false;
     
      q.push(nodo);
     
      while (!q.empty()){
        int act = q.front();
        q.pop();
     
        if (visto[act] == true) continue;
     
        visto[act] = true;
     
        for (auto i : grafo[act]) q.push(i);
     
        aux[act] = pos;
        pos++;
      }
     
      return aux; 
    }
     
    vector <int> label(int n, int k, vector <int> u, vector <int> v) {
    	
      vector <int> grafo[1000005];
     
      for (int i = 0; i < u.size(); i++) {
        int a = u[i], b = v[i];
     
        grafo[a].pb(b);
        grafo[b].pb(a);
      }
     
      for (int i = 0; i < n; i++){
        if (grafo[i].size() == 1){
          vector <int> labels = bfs(n, i, grafo);
          //for (auto j : labels) cout << j << " ";
          return labels;
        }
      }
     
      return u;
    	
    }
     
    int find_next_station(int s, int t, vector <int> c) {
     
      if (c.size() == 1) return c[0];
    	
      if (t > s) return max(c[0], c[1]);
      else return min(c[0], c[1]);
    }
     
    /*
     
    int main(){
      label(5, 10, {0, 3, 4, 2}, {1, 4, 0, 1});
    }
     
    */

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |       for (int i = 0; i < u.size(); i++) {
      |                       ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 389 ms 25260 KB Output is correct
2 Correct 353 ms 25304 KB Output is correct
3 Correct 671 ms 25004 KB Output is correct
4 Correct 509 ms 25176 KB Output is correct
5 Correct 422 ms 25004 KB Output is correct
6 Correct 310 ms 25260 KB Output is correct
7 Correct 320 ms 25260 KB Output is correct
8 Correct 37 ms 25112 KB Output is correct
9 Correct 40 ms 25112 KB Output is correct
10 Correct 22 ms 25004 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 336 ms 25520 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 373 ms 25288 KB Output is correct
2 Correct 335 ms 25260 KB Output is correct
3 Correct 686 ms 25208 KB Output is correct
4 Correct 492 ms 25000 KB Output is correct
5 Correct 423 ms 25264 KB Output is correct
6 Correct 359 ms 25260 KB Output is correct
7 Correct 305 ms 25260 KB Output is correct
8 Correct 35 ms 25112 KB Output is correct
9 Correct 33 ms 25004 KB Output is correct
10 Correct 26 ms 25328 KB Output is correct
11 Incorrect 434 ms 25004 KB Wrong query response.
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 701 ms 25004 KB Output is correct
2 Correct 501 ms 25008 KB Output is correct
3 Correct 478 ms 25004 KB Output is correct
4 Correct 35 ms 25004 KB Output is correct
5 Correct 32 ms 25008 KB Output is correct
6 Correct 21 ms 25136 KB Output is correct
7 Incorrect 466 ms 25004 KB Wrong query response.
8 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 412 ms 25260 KB Output is correct
2 Correct 333 ms 25260 KB Output is correct
3 Correct 603 ms 25152 KB Output is correct
4 Correct 522 ms 25228 KB Output is correct
5 Correct 487 ms 25080 KB Output is correct
6 Correct 341 ms 25260 KB Output is correct
7 Correct 309 ms 25048 KB Output is correct
8 Correct 33 ms 25136 KB Output is correct
9 Correct 36 ms 25136 KB Output is correct
10 Correct 18 ms 25136 KB Output is correct
11 Incorrect 330 ms 25260 KB Wrong query response.
12 Halted 0 ms 0 KB -