oj.uz

Submission #895939

# Submission time Handle Problem Language Result Execution time Memory
895939 2023-12-31T07:28:36 Z Tuanlinh123 Tourism (JOI23_tourism) C++17
10 / 100
 5000 ms 18748 KB 
#include<bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ld long double
using namespace std;

const ll maxn=100005;
vector <ll> A[maxn];
vector <pll> L[maxn];
ll n, m, q, c[maxn], a[maxn], ans[maxn], pa[maxn], dep[maxn];

void dfs(ll u)
{
    for (ll v:A[u])
        if (v!=pa[u])
        {
            dep[v]=dep[u]+1; 
            pa[v]=u, dfs(v);
        }
}

void update(ll u, ll v, ll val)
{
    for (; u!=v; u=pa[u])
    {
        if (dep[u]<dep[v]) swap(u, v);
        a[u]=val;
    }
    a[u]=val;
}

ll query(ll l, ll r)
{
    ll ans=0;
    for (ll i=1; i<=n; i++)
        if (l<=a[i] && a[i]<=r)
            ans++;
    return ans;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m >> q;
    for (ll i=1; i<n; i++)
    {
        ll u, v; cin >> u >> v;
        A[u].pb(v); A[v].pb(u);
    }
    dfs(1); 
    for (ll i=1; i<=m; i++)
        cin >> c[i];
    for (ll i=1; i<=q; i++)
    {
        ll l, r; cin >> l >> r;
        L[r].pb({l, i});
    }
    for (ll i=1; i<=m; i++)
    {
        if (i>1) update(c[i-1], c[i], i-1);
        update(c[i], c[i], i);
        for (auto &[l, idx]:L[i])
            ans[idx]=query(l, i);
    }
    for (ll i=1; i<=q; i++)
        cout << ans[i] << "\n";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6848 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 2 ms 6848 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 2 ms 6744 KB Output is correct
8 Correct 2 ms 7204 KB Output is correct
9 Correct 2 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 2 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 2 ms 6748 KB Output is correct
15 Correct 2 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6748 KB Output is correct
21 Correct 2 ms 6844 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 2 ms 7256 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 8796 KB Output is correct
28 Correct 1 ms 7000 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6848 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 2 ms 6848 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 2 ms 6744 KB Output is correct
8 Correct 2 ms 7204 KB Output is correct
9 Correct 2 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 2 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 2 ms 6748 KB Output is correct
15 Correct 2 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6748 KB Output is correct
21 Correct 2 ms 6844 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 2 ms 7256 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 8796 KB Output is correct
28 Correct 1 ms 7000 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 4 ms 7004 KB Output is correct
31 Correct 4 ms 7004 KB Output is correct
32 Correct 5 ms 7004 KB Output is correct
33 Correct 5 ms 6952 KB Output is correct
34 Correct 5 ms 7004 KB Output is correct
35 Correct 5 ms 7000 KB Output is correct
36 Correct 5 ms 7004 KB Output is correct
37 Correct 5 ms 7072 KB Output is correct
38 Correct 9 ms 7256 KB Output is correct
39 Correct 10 ms 7004 KB Output is correct
40 Correct 9 ms 7004 KB Output is correct
41 Correct 9 ms 7004 KB Output is correct
42 Correct 9 ms 7116 KB Output is correct
43 Correct 8 ms 7004 KB Output is correct
44 Correct 7 ms 7004 KB Output is correct
45 Correct 6 ms 6856 KB Output is correct
46 Correct 7 ms 7004 KB Output is correct
47 Correct 6 ms 7004 KB Output is correct
48 Correct 6 ms 7000 KB Output is correct
49 Correct 7 ms 7000 KB Output is correct
50 Correct 5 ms 7004 KB Output is correct
51 Correct 6 ms 7004 KB Output is correct
52 Correct 5 ms 7004 KB Output is correct
53 Correct 8 ms 7004 KB Output is correct
54 Correct 7 ms 7004 KB Output is correct
55 Correct 6 ms 6844 KB Output is correct
56 Correct 3 ms 8796 KB Output is correct
57 Correct 5 ms 7000 KB Output is correct
58 Correct 6 ms 7004 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 2 ms 8892 KB Output is correct
3 Correct 3 ms 8792 KB Output is correct
4 Execution timed out 5090 ms 16800 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 108 ms 10516 KB Output is correct
3 Correct 114 ms 10824 KB Output is correct
4 Correct 123 ms 11600 KB Output is correct
5 Correct 49 ms 13612 KB Output is correct
6 Correct 56 ms 13652 KB Output is correct
7 Correct 47 ms 13820 KB Output is correct
8 Correct 47 ms 13648 KB Output is correct
9 Correct 67 ms 13760 KB Output is correct
10 Correct 72 ms 13748 KB Output is correct
11 Correct 119 ms 13916 KB Output is correct
12 Correct 264 ms 14000 KB Output is correct
13 Correct 794 ms 14352 KB Output is correct
14 Correct 2279 ms 15452 KB Output is correct
15 Execution timed out 5058 ms 18748 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 3981 ms 15792 KB Output is correct
5 Correct 3837 ms 15740 KB Output is correct
6 Execution timed out 5033 ms 17208 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #6
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6848 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 2 ms 6848 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 2 ms 6744 KB Output is correct
8 Correct 2 ms 7204 KB Output is correct
9 Correct 2 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 2 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 2 ms 6748 KB Output is correct
15 Correct 2 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6748 KB Output is correct
21 Correct 2 ms 6844 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 2 ms 7256 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 8796 KB Output is correct
28 Correct 1 ms 7000 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 4 ms 7004 KB Output is correct
31 Correct 4 ms 7004 KB Output is correct
32 Correct 5 ms 7004 KB Output is correct
33 Correct 5 ms 6952 KB Output is correct
34 Correct 5 ms 7004 KB Output is correct
35 Correct 5 ms 7000 KB Output is correct
36 Correct 5 ms 7004 KB Output is correct
37 Correct 5 ms 7072 KB Output is correct
38 Correct 9 ms 7256 KB Output is correct
39 Correct 10 ms 7004 KB Output is correct
40 Correct 9 ms 7004 KB Output is correct
41 Correct 9 ms 7004 KB Output is correct
42 Correct 9 ms 7116 KB Output is correct
43 Correct 8 ms 7004 KB Output is correct
44 Correct 7 ms 7004 KB Output is correct
45 Correct 6 ms 6856 KB Output is correct
46 Correct 7 ms 7004 KB Output is correct
47 Correct 6 ms 7004 KB Output is correct
48 Correct 6 ms 7000 KB Output is correct
49 Correct 7 ms 7000 KB Output is correct
50 Correct 5 ms 7004 KB Output is correct
51 Correct 6 ms 7004 KB Output is correct
52 Correct 5 ms 7004 KB Output is correct
53 Correct 8 ms 7004 KB Output is correct
54 Correct 7 ms 7004 KB Output is correct
55 Correct 6 ms 6844 KB Output is correct
56 Correct 3 ms 8796 KB Output is correct
57 Correct 5 ms 7000 KB Output is correct
58 Correct 6 ms 7004 KB Output is correct
59 Correct 2 ms 6748 KB Output is correct
60 Correct 2 ms 8892 KB Output is correct
61 Correct 3 ms 8792 KB Output is correct
62 Execution timed out 5090 ms 16800 KB Time limit exceeded
63 Halted 0 ms 0 KB -