oj.uz

Submission #730203

# Submission time Handle Problem Language Result Execution time Memory
730203 2023-04-25T11:56:45 Z lucri Traffic (IOI10_traffic) C++17
0 / 100
 40 ms 47964 KB 
#include "traffic.h"
#include <bits/stdc++.h>
std::vector<int>a[1000010];
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;
  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:51:14: warning: 'fmax' may be used uninitialized in this function [-Wmaybe-uninitialized]
   51 |   }while(fmax!=ans);
      |          ~~~~^~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 15 ms 23824 KB Output is correct
3 Correct 13 ms 23820 KB Output is correct
4 Correct 12 ms 23816 KB Output is correct
5 Correct 12 ms 23784 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 16 ms 23820 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 17 ms 23820 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 15 ms 23744 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 14 ms 23764 KB Output is correct
15 Correct 13 ms 23712 KB Output is correct
16 Correct 13 ms 23816 KB Output is correct
17 Correct 14 ms 23816 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 12 ms 23724 KB Output is correct
20 Correct 17 ms 23732 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23820 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 15 ms 23764 KB Output is correct
26 Correct 16 ms 23840 KB Output is correct
27 Correct 14 ms 23732 KB Output is correct
28 Correct 16 ms 23768 KB Output is correct
29 Correct 17 ms 23788 KB Output is correct
30 Correct 14 ms 23788 KB Output is correct
31 Correct 15 ms 23796 KB Output is correct
32 Correct 14 ms 23860 KB Output is correct
33 Correct 16 ms 23868 KB Output is correct
34 Correct 18 ms 23824 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 16 ms 23872 KB Output is correct
37 Correct 14 ms 23784 KB Output is correct
38 Correct 13 ms 23832 KB Output is correct
39 Correct 14 ms 23888 KB Output is correct
40 Correct 14 ms 23792 KB Output is correct
41 Correct 15 ms 23844 KB Output is correct
42 Correct 16 ms 23908 KB Output is correct
43 Runtime error 40 ms 47964 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 12 ms 23764 KB Output is correct
2 Correct 15 ms 23824 KB Output is correct
3 Correct 13 ms 23820 KB Output is correct
4 Correct 12 ms 23816 KB Output is correct
5 Correct 12 ms 23784 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 16 ms 23820 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 17 ms 23820 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 15 ms 23744 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 14 ms 23764 KB Output is correct
15 Correct 13 ms 23712 KB Output is correct
16 Correct 13 ms 23816 KB Output is correct
17 Correct 14 ms 23816 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 12 ms 23724 KB Output is correct
20 Correct 17 ms 23732 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23820 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 15 ms 23764 KB Output is correct
26 Correct 16 ms 23840 KB Output is correct
27 Correct 14 ms 23732 KB Output is correct
28 Correct 16 ms 23768 KB Output is correct
29 Correct 17 ms 23788 KB Output is correct
30 Correct 14 ms 23788 KB Output is correct
31 Correct 15 ms 23796 KB Output is correct
32 Correct 14 ms 23860 KB Output is correct
33 Correct 16 ms 23868 KB Output is correct
34 Correct 18 ms 23824 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 16 ms 23872 KB Output is correct
37 Correct 14 ms 23784 KB Output is correct
38 Correct 13 ms 23832 KB Output is correct
39 Correct 14 ms 23888 KB Output is correct
40 Correct 14 ms 23792 KB Output is correct
41 Correct 15 ms 23844 KB Output is correct
42 Correct 16 ms 23908 KB Output is correct
43 Runtime error 40 ms 47964 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 12 ms 23764 KB Output is correct
2 Correct 15 ms 23824 KB Output is correct
3 Correct 13 ms 23820 KB Output is correct
4 Correct 12 ms 23816 KB Output is correct
5 Correct 12 ms 23784 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 16 ms 23820 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 17 ms 23820 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 15 ms 23744 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 14 ms 23764 KB Output is correct
15 Correct 13 ms 23712 KB Output is correct
16 Correct 13 ms 23816 KB Output is correct
17 Correct 14 ms 23816 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 12 ms 23724 KB Output is correct
20 Correct 17 ms 23732 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23820 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 15 ms 23764 KB Output is correct
26 Correct 16 ms 23840 KB Output is correct
27 Correct 14 ms 23732 KB Output is correct
28 Correct 16 ms 23768 KB Output is correct
29 Correct 17 ms 23788 KB Output is correct
30 Correct 14 ms 23788 KB Output is correct
31 Correct 15 ms 23796 KB Output is correct
32 Correct 14 ms 23860 KB Output is correct
33 Correct 16 ms 23868 KB Output is correct
34 Correct 18 ms 23824 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 16 ms 23872 KB Output is correct
37 Correct 14 ms 23784 KB Output is correct
38 Correct 13 ms 23832 KB Output is correct
39 Correct 14 ms 23888 KB Output is correct
40 Correct 14 ms 23792 KB Output is correct
41 Correct 15 ms 23844 KB Output is correct
42 Correct 16 ms 23908 KB Output is correct
43 Runtime error 40 ms 47964 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 12 ms 23764 KB Output is correct
2 Correct 15 ms 23824 KB Output is correct
3 Correct 13 ms 23820 KB Output is correct
4 Correct 12 ms 23816 KB Output is correct
5 Correct 12 ms 23784 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 16 ms 23820 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 17 ms 23820 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 15 ms 23744 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 14 ms 23764 KB Output is correct
15 Correct 13 ms 23712 KB Output is correct
16 Correct 13 ms 23816 KB Output is correct
17 Correct 14 ms 23816 KB Output is correct
18 Correct 14 ms 23764 KB Output is correct
19 Correct 12 ms 23724 KB Output is correct
20 Correct 17 ms 23732 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 14 ms 23820 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 15 ms 23764 KB Output is correct
26 Correct 16 ms 23840 KB Output is correct
27 Correct 14 ms 23732 KB Output is correct
28 Correct 16 ms 23768 KB Output is correct
29 Correct 17 ms 23788 KB Output is correct
30 Correct 14 ms 23788 KB Output is correct
31 Correct 15 ms 23796 KB Output is correct
32 Correct 14 ms 23860 KB Output is correct
33 Correct 16 ms 23868 KB Output is correct
34 Correct 18 ms 23824 KB Output is correct
35 Correct 14 ms 23764 KB Output is correct
36 Correct 16 ms 23872 KB Output is correct
37 Correct 14 ms 23784 KB Output is correct
38 Correct 13 ms 23832 KB Output is correct
39 Correct 14 ms 23888 KB Output is correct
40 Correct 14 ms 23792 KB Output is correct
41 Correct 15 ms 23844 KB Output is correct
42 Correct 16 ms 23908 KB Output is correct
43 Runtime error 40 ms 47964 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -