oj.uz

Submission #730213

# Submission time Handle Problem Language Result Execution time Memory
730213 2023-04-25T12:06:52 Z lucri Traffic (IOI10_traffic) C++17
0 / 100
 33 ms 48036 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();
        nr[i]=0;
    }
    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 13 ms 23764 KB Output is correct
2 Correct 12 ms 23744 KB Output is correct
3 Correct 13 ms 23736 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 16 ms 23748 KB Output is correct
6 Correct 15 ms 23760 KB Output is correct
7 Correct 14 ms 23812 KB Output is correct
8 Correct 15 ms 23764 KB Output is correct
9 Correct 13 ms 23708 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23700 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 13 ms 23716 KB Output is correct
14 Correct 16 ms 23764 KB Output is correct
15 Correct 15 ms 23764 KB Output is correct
16 Correct 14 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 15 ms 23816 KB Output is correct
19 Correct 13 ms 23900 KB Output is correct
20 Correct 15 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23724 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 14 ms 23716 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 13 ms 23836 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 15 ms 23820 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 13 ms 23768 KB Output is correct
35 Correct 13 ms 23784 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23776 KB Output is correct
38 Correct 15 ms 23872 KB Output is correct
39 Correct 13 ms 23764 KB Output is correct
40 Correct 13 ms 23764 KB Output is correct
41 Correct 16 ms 23860 KB Output is correct
42 Correct 13 ms 23892 KB Output is correct
43 Runtime error 33 ms 48036 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 13 ms 23764 KB Output is correct
2 Correct 12 ms 23744 KB Output is correct
3 Correct 13 ms 23736 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 16 ms 23748 KB Output is correct
6 Correct 15 ms 23760 KB Output is correct
7 Correct 14 ms 23812 KB Output is correct
8 Correct 15 ms 23764 KB Output is correct
9 Correct 13 ms 23708 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23700 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 13 ms 23716 KB Output is correct
14 Correct 16 ms 23764 KB Output is correct
15 Correct 15 ms 23764 KB Output is correct
16 Correct 14 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 15 ms 23816 KB Output is correct
19 Correct 13 ms 23900 KB Output is correct
20 Correct 15 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23724 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 14 ms 23716 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 13 ms 23836 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 15 ms 23820 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 13 ms 23768 KB Output is correct
35 Correct 13 ms 23784 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23776 KB Output is correct
38 Correct 15 ms 23872 KB Output is correct
39 Correct 13 ms 23764 KB Output is correct
40 Correct 13 ms 23764 KB Output is correct
41 Correct 16 ms 23860 KB Output is correct
42 Correct 13 ms 23892 KB Output is correct
43 Runtime error 33 ms 48036 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 13 ms 23764 KB Output is correct
2 Correct 12 ms 23744 KB Output is correct
3 Correct 13 ms 23736 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 16 ms 23748 KB Output is correct
6 Correct 15 ms 23760 KB Output is correct
7 Correct 14 ms 23812 KB Output is correct
8 Correct 15 ms 23764 KB Output is correct
9 Correct 13 ms 23708 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23700 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 13 ms 23716 KB Output is correct
14 Correct 16 ms 23764 KB Output is correct
15 Correct 15 ms 23764 KB Output is correct
16 Correct 14 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 15 ms 23816 KB Output is correct
19 Correct 13 ms 23900 KB Output is correct
20 Correct 15 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23724 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 14 ms 23716 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 13 ms 23836 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 15 ms 23820 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 13 ms 23768 KB Output is correct
35 Correct 13 ms 23784 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23776 KB Output is correct
38 Correct 15 ms 23872 KB Output is correct
39 Correct 13 ms 23764 KB Output is correct
40 Correct 13 ms 23764 KB Output is correct
41 Correct 16 ms 23860 KB Output is correct
42 Correct 13 ms 23892 KB Output is correct
43 Runtime error 33 ms 48036 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 13 ms 23764 KB Output is correct
2 Correct 12 ms 23744 KB Output is correct
3 Correct 13 ms 23736 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 16 ms 23748 KB Output is correct
6 Correct 15 ms 23760 KB Output is correct
7 Correct 14 ms 23812 KB Output is correct
8 Correct 15 ms 23764 KB Output is correct
9 Correct 13 ms 23708 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23700 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 13 ms 23716 KB Output is correct
14 Correct 16 ms 23764 KB Output is correct
15 Correct 15 ms 23764 KB Output is correct
16 Correct 14 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 15 ms 23816 KB Output is correct
19 Correct 13 ms 23900 KB Output is correct
20 Correct 15 ms 23764 KB Output is correct
21 Correct 12 ms 23764 KB Output is correct
22 Correct 13 ms 23724 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 14 ms 23716 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 13 ms 23764 KB Output is correct
30 Correct 13 ms 23836 KB Output is correct
31 Correct 13 ms 23764 KB Output is correct
32 Correct 15 ms 23820 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 13 ms 23768 KB Output is correct
35 Correct 13 ms 23784 KB Output is correct
36 Correct 14 ms 23764 KB Output is correct
37 Correct 13 ms 23776 KB Output is correct
38 Correct 15 ms 23872 KB Output is correct
39 Correct 13 ms 23764 KB Output is correct
40 Correct 13 ms 23764 KB Output is correct
41 Correct 16 ms 23860 KB Output is correct
42 Correct 13 ms 23892 KB Output is correct
43 Runtime error 33 ms 48036 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -