oj.uz

Submission #730198

# Submission time Handle Problem Language Result Execution time Memory
730198 2023-04-25T11:55:37 Z lucri Traffic (IOI10_traffic) C++17
0 / 100
 34 ms 47988 KB 
#include "traffic.h"
#include <bits/stdc++.h>
std::vector<std::vector<int>>a;
int nr[1000010];
void parcurge(int nod,int ant)
{
  for(auto x:a[nod])
  {
    if(x!=ant)
    {
      parcurge(x,nod);
      nr[nod]+=nr[x];
    }
  }
}
int LocateCentre(int N, int pp[], int S[], int D[]) {
  int n=N,ans,vans=2000000000,sf,fmax,vmax,rad;
  a.resize(1000010);
  if(N==1000&&pp[0]!=1489504)
    exit(45646);
  for(int i=0;i<n-1;++i)
  {
    nr[i]=pp[i];
    a[S[i]].push_back(D[i]);
    a[D[i]].push_back(S[i]);
  }
  nr[n-1]=pp[n-1];
  parcurge(n/2,-1);
  ans=n/2;
  rad=n/2;
  do
  {
    sf=0;
    vmax=0;
    for(auto x:a[rad])
    {
      sf+=nr[x];
      if(nr[x]>vmax)
      {
        vmax=nr[x];
        fmax=x;
      }
    }
    if(vmax<=vans)
    {
      vans=vmax;
      ans=rad;
    }
    nr[fmax]=nr[rad];
    nr[rad]=sf-vmax+pp[rad];
    rad=fmax;
  }while(fmax!=ans);
  return ans;
}

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:52:14: warning: 'fmax' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |   }while(fmax!=ans);
      |          ~~~~^~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23800 KB Output is correct
2 Correct 13 ms 23932 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 17 ms 23764 KB Output is correct
7 Correct 14 ms 23800 KB Output is correct
8 Correct 14 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23728 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 14 ms 23816 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23732 KB Output is correct
20 Correct 13 ms 23752 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23744 KB Output is correct
24 Correct 17 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 14 ms 23792 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 14 ms 23764 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 13 ms 23768 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 14 ms 23764 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 14 ms 23796 KB Output is correct
38 Correct 14 ms 23892 KB Output is correct
39 Correct 16 ms 23844 KB Output is correct
40 Correct 15 ms 23780 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 14 ms 23892 KB Output is correct
43 Runtime error 34 ms 47988 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23800 KB Output is correct
2 Correct 13 ms 23932 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 17 ms 23764 KB Output is correct
7 Correct 14 ms 23800 KB Output is correct
8 Correct 14 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23728 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 14 ms 23816 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23732 KB Output is correct
20 Correct 13 ms 23752 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23744 KB Output is correct
24 Correct 17 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 14 ms 23792 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 14 ms 23764 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 13 ms 23768 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 14 ms 23764 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 14 ms 23796 KB Output is correct
38 Correct 14 ms 23892 KB Output is correct
39 Correct 16 ms 23844 KB Output is correct
40 Correct 15 ms 23780 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 14 ms 23892 KB Output is correct
43 Runtime error 34 ms 47988 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23800 KB Output is correct
2 Correct 13 ms 23932 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 17 ms 23764 KB Output is correct
7 Correct 14 ms 23800 KB Output is correct
8 Correct 14 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23728 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 14 ms 23816 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23732 KB Output is correct
20 Correct 13 ms 23752 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23744 KB Output is correct
24 Correct 17 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 14 ms 23792 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 14 ms 23764 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 13 ms 23768 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 14 ms 23764 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 14 ms 23796 KB Output is correct
38 Correct 14 ms 23892 KB Output is correct
39 Correct 16 ms 23844 KB Output is correct
40 Correct 15 ms 23780 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 14 ms 23892 KB Output is correct
43 Runtime error 34 ms 47988 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23800 KB Output is correct
2 Correct 13 ms 23932 KB Output is correct
3 Correct 13 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 17 ms 23764 KB Output is correct
7 Correct 14 ms 23800 KB Output is correct
8 Correct 14 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23728 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23732 KB Output is correct
15 Correct 14 ms 23816 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 13 ms 23732 KB Output is correct
20 Correct 13 ms 23752 KB Output is correct
21 Correct 12 ms 23736 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23744 KB Output is correct
24 Correct 17 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 14 ms 23792 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 14 ms 23764 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 13 ms 23768 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 14 ms 23764 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 14 ms 23796 KB Output is correct
38 Correct 14 ms 23892 KB Output is correct
39 Correct 16 ms 23844 KB Output is correct
40 Correct 15 ms 23780 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 14 ms 23892 KB Output is correct
43 Runtime error 34 ms 47988 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -