oj.uz

Submission #730214

# Submission time Handle Problem Language Result Execution time Memory
730214 2023-04-25T12:07:19 Z lucri Traffic (IOI10_traffic) C++17
0 / 100
 5000 ms 23916 KB 
#include "traffic.h"
#include <bits/stdc++.h>
std::vector<long long>a[1000010];
long long nr[1000010];
void parcurge(long long nod,long long 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[]) {
    long long n=N,ans,vans=2000000000,sf,fmax,vmax,rad;
    for(long long 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);
    for(long long i=1;i<=n;++i)
    {
        a[i].clear();
    }
    return ans;
}

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:49:16: warning: 'fmax' may be used uninitialized in this function [-Wmaybe-uninitialized]
   49 |     }while(fmax!=ans);
      |            ~~~~^~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 17 ms 23696 KB Output is correct
5 Correct 16 ms 23764 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 13 ms 23768 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23812 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 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 23764 KB Output is correct
20 Correct 13 ms 23704 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23728 KB Output is correct
25 Correct 12 ms 23832 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23772 KB Output is correct
29 Correct 16 ms 23832 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 14 ms 23764 KB Output is correct
32 Correct 15 ms 23764 KB Output is correct
33 Correct 14 ms 23764 KB Output is correct
34 Correct 12 ms 23764 KB Output is correct
35 Correct 12 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23764 KB Output is correct
38 Correct 14 ms 23788 KB Output is correct
39 Correct 15 ms 23880 KB Output is correct
40 Correct 16 ms 23816 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 13 ms 23864 KB Output is correct
43 Execution timed out 5050 ms 23720 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 17 ms 23696 KB Output is correct
5 Correct 16 ms 23764 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 13 ms 23768 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23812 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 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 23764 KB Output is correct
20 Correct 13 ms 23704 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23728 KB Output is correct
25 Correct 12 ms 23832 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23772 KB Output is correct
29 Correct 16 ms 23832 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 14 ms 23764 KB Output is correct
32 Correct 15 ms 23764 KB Output is correct
33 Correct 14 ms 23764 KB Output is correct
34 Correct 12 ms 23764 KB Output is correct
35 Correct 12 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23764 KB Output is correct
38 Correct 14 ms 23788 KB Output is correct
39 Correct 15 ms 23880 KB Output is correct
40 Correct 16 ms 23816 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 13 ms 23864 KB Output is correct
43 Execution timed out 5050 ms 23720 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 17 ms 23696 KB Output is correct
5 Correct 16 ms 23764 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 13 ms 23768 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23812 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 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 23764 KB Output is correct
20 Correct 13 ms 23704 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23728 KB Output is correct
25 Correct 12 ms 23832 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23772 KB Output is correct
29 Correct 16 ms 23832 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 14 ms 23764 KB Output is correct
32 Correct 15 ms 23764 KB Output is correct
33 Correct 14 ms 23764 KB Output is correct
34 Correct 12 ms 23764 KB Output is correct
35 Correct 12 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23764 KB Output is correct
38 Correct 14 ms 23788 KB Output is correct
39 Correct 15 ms 23880 KB Output is correct
40 Correct 16 ms 23816 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 13 ms 23864 KB Output is correct
43 Execution timed out 5050 ms 23720 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 17 ms 23696 KB Output is correct
5 Correct 16 ms 23764 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23728 KB Output is correct
11 Correct 13 ms 23768 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23812 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 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 23764 KB Output is correct
20 Correct 13 ms 23704 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23764 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23728 KB Output is correct
25 Correct 12 ms 23832 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23772 KB Output is correct
29 Correct 16 ms 23832 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 14 ms 23764 KB Output is correct
32 Correct 15 ms 23764 KB Output is correct
33 Correct 14 ms 23764 KB Output is correct
34 Correct 12 ms 23764 KB Output is correct
35 Correct 12 ms 23764 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23764 KB Output is correct
38 Correct 14 ms 23788 KB Output is correct
39 Correct 15 ms 23880 KB Output is correct
40 Correct 16 ms 23816 KB Output is correct
41 Correct 14 ms 23892 KB Output is correct
42 Correct 13 ms 23864 KB Output is correct
43 Execution timed out 5050 ms 23720 KB Time limit exceeded
44 Halted 0 ms 0 KB -