oj.uz

Submission #1011633

# Submission time Handle Problem Language Result Execution time Memory
1011633 2024-07-01T00:06:20 Z LeonidCuk Race (IOI11_race) C++17
100 / 100
 276 ms 95056 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>>g[200001];
vector<int>v(200001),sum(200001),sz(200001);
map<long long int,int>*m[200001];
int k,res=10000000;
void dfs(int a,int b,int dep,long long suma)
{
    v[a]=dep;
    sum[a]=suma;
    sz[a]=1;
    for(auto p:g[a])
    {
        if(p.first!=b)
        {
            dfs(p.first,a,dep+1,suma+p.second);
            sz[a]+=sz[p.first];
        }
    }
}
void findres(int a,int b)
{
    int bigc=-1,bigck=-1;
    for(auto p:g[a])
    {
        if(p.first!=b)
        {
            if(sz[p.first]>bigck)
            {
            bigc=p.first;
            bigck=sz[p.first];
            }
            findres(p.first,a);
        }
    }
    if(bigc==-1)
    {
        m[a]= new map<long long int,int>();
    }
    else
    {
        m[a]=m[bigc];
    }
    (*m[a])[sum[a]]=v[a];
    int t=2*sum[a]+k;
    for(auto p:g[a])
    {
        if(p.first!=bigc&&p.first!=b)
        {
            for(auto it:*m[p.first])
            {
                if((*m[a]).find(t-it.first)!=(*m[a]).end())
                {
                    res=min(res,it.second+(*m[a])[t-it.first]-2*v[a]);
                }
            }
            for(auto it:*m[p.first])
            {
                if((*m[a]).find(it.first)==(*m[a]).end())
                {
                    (*m[a])[it.first]=it.second;
                }
                else
                {
                    (*m[a])[it.first]=min(it.second,(*m[a])[it.first]);
                }
            }
        }
    }
    if((*m[a]).find(sum[a]+k)!=(*m[a]).end())
    {
        res=min(res,(*m[a])[sum[a]+k]-v[a]);
    }
}
int best_path(int N,int K,int H[][2],int L[])
{
    k=K;
    for(int i=0;i<N-1;i++)
    {
        int a=H[i][0],b=H[i][1],c=L[i];
        g[a].push_back({b,c});
        g[b].push_back({a,c});
    }
    dfs(0,0,0,0);
    findres(0,0);
    if(res==10000000)
    {
        res=-1;
    }
    return res;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12632 KB Output is correct
2 Correct 3 ms 12636 KB Output is correct
3 Correct 3 ms 12636 KB Output is correct
4 Correct 3 ms 12636 KB Output is correct
5 Correct 3 ms 12632 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 3 ms 12636 KB Output is correct
8 Correct 3 ms 12636 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 3 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 3 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 3 ms 12636 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12632 KB Output is correct
2 Correct 3 ms 12636 KB Output is correct
3 Correct 3 ms 12636 KB Output is correct
4 Correct 3 ms 12636 KB Output is correct
5 Correct 3 ms 12632 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 3 ms 12636 KB Output is correct
8 Correct 3 ms 12636 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 3 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 3 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 3 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 3 ms 12636 KB Output is correct
21 Correct 3 ms 12888 KB Output is correct
22 Correct 3 ms 12892 KB Output is correct
23 Correct 3 ms 12900 KB Output is correct
24 Correct 3 ms 12904 KB Output is correct
25 Correct 4 ms 12904 KB Output is correct
26 Correct 3 ms 12904 KB Output is correct
27 Correct 3 ms 12648 KB Output is correct
28 Correct 4 ms 12904 KB Output is correct
29 Correct 3 ms 12904 KB Output is correct
30 Correct 4 ms 12904 KB Output is correct
31 Correct 4 ms 12904 KB Output is correct
32 Correct 3 ms 12904 KB Output is correct
33 Correct 4 ms 12904 KB Output is correct
34 Correct 4 ms 12904 KB Output is correct
35 Correct 3 ms 12904 KB Output is correct
36 Correct 4 ms 12904 KB Output is correct
37 Correct 3 ms 12648 KB Output is correct
38 Correct 3 ms 12904 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12632 KB Output is correct
2 Correct 3 ms 12636 KB Output is correct
3 Correct 3 ms 12636 KB Output is correct
4 Correct 3 ms 12636 KB Output is correct
5 Correct 3 ms 12632 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 3 ms 12636 KB Output is correct
8 Correct 3 ms 12636 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 3 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 3 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 3 ms 12636 KB Output is correct
19 Correct 66 ms 32352 KB Output is correct
20 Correct 64 ms 33228 KB Output is correct
21 Correct 73 ms 33120 KB Output is correct
22 Correct 62 ms 34396 KB Output is correct
23 Correct 93 ms 47796 KB Output is correct
24 Correct 86 ms 42592 KB Output is correct
25 Correct 48 ms 30644 KB Output is correct
26 Correct 34 ms 39004 KB Output is correct
27 Correct 120 ms 43088 KB Output is correct
28 Correct 146 ms 75872 KB Output is correct
29 Correct 144 ms 74080 KB Output is correct
30 Correct 106 ms 43616 KB Output is correct
31 Correct 126 ms 43788 KB Output is correct
32 Correct 123 ms 43468 KB Output is correct
33 Correct 114 ms 36432 KB Output is correct
34 Correct 191 ms 68804 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12632 KB Output is correct
2 Correct 3 ms 12636 KB Output is correct
3 Correct 3 ms 12636 KB Output is correct
4 Correct 3 ms 12636 KB Output is correct
5 Correct 3 ms 12632 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 3 ms 12636 KB Output is correct
8 Correct 3 ms 12636 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 3 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 3 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 3 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 3 ms 12636 KB Output is correct
21 Correct 3 ms 12888 KB Output is correct
22 Correct 3 ms 12892 KB Output is correct
23 Correct 3 ms 12900 KB Output is correct
24 Correct 3 ms 12904 KB Output is correct
25 Correct 4 ms 12904 KB Output is correct
26 Correct 3 ms 12904 KB Output is correct
27 Correct 3 ms 12648 KB Output is correct
28 Correct 4 ms 12904 KB Output is correct
29 Correct 3 ms 12904 KB Output is correct
30 Correct 4 ms 12904 KB Output is correct
31 Correct 4 ms 12904 KB Output is correct
32 Correct 3 ms 12904 KB Output is correct
33 Correct 4 ms 12904 KB Output is correct
34 Correct 4 ms 12904 KB Output is correct
35 Correct 3 ms 12904 KB Output is correct
36 Correct 4 ms 12904 KB Output is correct
37 Correct 3 ms 12648 KB Output is correct
38 Correct 3 ms 12904 KB Output is correct
39 Correct 66 ms 32352 KB Output is correct
40 Correct 64 ms 33228 KB Output is correct
41 Correct 73 ms 33120 KB Output is correct
42 Correct 62 ms 34396 KB Output is correct
43 Correct 93 ms 47796 KB Output is correct
44 Correct 86 ms 42592 KB Output is correct
45 Correct 48 ms 30644 KB Output is correct
46 Correct 34 ms 39004 KB Output is correct
47 Correct 120 ms 43088 KB Output is correct
48 Correct 146 ms 75872 KB Output is correct
49 Correct 144 ms 74080 KB Output is correct
50 Correct 106 ms 43616 KB Output is correct
51 Correct 126 ms 43788 KB Output is correct
52 Correct 123 ms 43468 KB Output is correct
53 Correct 114 ms 36432 KB Output is correct
54 Correct 191 ms 68804 KB Output is correct
55 Correct 12 ms 15448 KB Output is correct
56 Correct 7 ms 14172 KB Output is correct
57 Correct 38 ms 31832 KB Output is correct
58 Correct 36 ms 32208 KB Output is correct
59 Correct 53 ms 45472 KB Output is correct
60 Correct 134 ms 74884 KB Output is correct
61 Correct 138 ms 46420 KB Output is correct
62 Correct 106 ms 43436 KB Output is correct
63 Correct 117 ms 43572 KB Output is correct
64 Correct 276 ms 91472 KB Output is correct
65 Correct 276 ms 95056 KB Output is correct
66 Correct 147 ms 67408 KB Output is correct
67 Correct 89 ms 50884 KB Output is correct
68 Correct 207 ms 63892 KB Output is correct
69 Correct 187 ms 62548 KB Output is correct
70 Correct 195 ms 62220 KB Output is correct