oj.uz

Submission #889705

# Submission time Handle Problem Language Result Execution time Memory
889705 2023-12-20T05:51:45 Z vjudge1 Tourism (JOI23_tourism) C++17
17 / 100
 1505 ms 13460 KB 
#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
const int N=1e5+5;
int mn[N*4],mx[N*4],c[N],d[N];
vector <int> g[N];
void dfs(int v,int p){
    for(auto to : g[v]){
        if(to!=p){
            dfs(to,v);
            d[v]+=d[to];
        }
    }
}
void build(int v,int tl,int tr){
    if(tl==tr){
        mn[v]=c[tl];
        mx[v]=c[tl];
    }
    else{
        int tm=(tl+tr)/2;
        build(v*2,tl,tm);
        build(v*2+1,tm+1,tr);
        mn[v]=min(mn[v*2],mn[v*2+1]);
        mx[v]=max(mx[v*2],mx[v*2+1]);
    }
}
int get_mn(int v,int tl,int tr,int l,int r){
    if(r<tl or l>tr)return INT_MAX;
    if(l<=tl && tr<=r)return mn[v];
    int tm=(tl+tr)/2;
    return min(get_mn(v*2,tl,tm,l,r),get_mn(v*2+1,tm+1,tr,l,r));
}
int get_mx(int v,int tl,int tr,int l,int r){
    if(r<tl or l>tr)return INT_MIN;
    if(l<=tl && tr<=r)return mx[v];
    int tm=(tl+tr)/2;
    return max(get_mx(v*2,tl,tm,l,r),get_mx(v*2+1,tm+1,tr,l,r));
}
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);
    int n,m,qq;
    cin>>n>>m>>qq;
    int cnt=0;
    for(int i=0;i<n-1;i++){
        int u,v;
        cin>>u>>v;
        g[u].pb(v);
        g[v].pb(u);
    }
    for(int i=1;i<=m;i++){
        cin>>c[i];
    }
    if(n<=3000){
        while(qq--){
            int l,r;
            cin>>l>>r;
            for(int i=1;i<=n;i++){
                d[i]=0;
            }
            for(int i=l;i<=r;i++){
                d[c[i]]=1;
            }
            dfs(c[l],0);
            int ans=0;
            for(int i=1;i<=n;i++)if(d[i]!=0)ans++;
            cout<<ans<<"\n";
        }
    }
    else{
        build(1,1,m);
        while(qq--){
            int l,r;
            cin>>l>>r;
            cout<<get_mx(1,1,m,l,r)-get_mn(1,1,m,l,r)+1<<"\n";
        }
    }
}

Compilation message

tourism.cpp: In function 'int main()':
tourism.cpp:49:9: warning: unused variable 'cnt' [-Wunused-variable]
   49 |     int cnt=0;
      |         ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 2 ms 4744 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4700 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 2 ms 4700 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct
21 Correct 2 ms 4656 KB Output is correct
22 Correct 2 ms 4700 KB Output is correct
23 Correct 2 ms 4700 KB Output is correct
24 Correct 2 ms 4700 KB Output is correct
25 Correct 2 ms 4700 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 2 ms 4700 KB Output is correct
29 Correct 2 ms 4696 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 2 ms 4744 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4700 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 2 ms 4700 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct
21 Correct 2 ms 4656 KB Output is correct
22 Correct 2 ms 4700 KB Output is correct
23 Correct 2 ms 4700 KB Output is correct
24 Correct 2 ms 4700 KB Output is correct
25 Correct 2 ms 4700 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 2 ms 4700 KB Output is correct
29 Correct 2 ms 4696 KB Output is correct
30 Correct 15 ms 4696 KB Output is correct
31 Correct 19 ms 4700 KB Output is correct
32 Correct 29 ms 4852 KB Output is correct
33 Correct 28 ms 4700 KB Output is correct
34 Correct 28 ms 4700 KB Output is correct
35 Correct 29 ms 4696 KB Output is correct
36 Correct 30 ms 4700 KB Output is correct
37 Correct 29 ms 4700 KB Output is correct
38 Correct 39 ms 4696 KB Output is correct
39 Correct 40 ms 4944 KB Output is correct
40 Correct 40 ms 4700 KB Output is correct
41 Correct 42 ms 4696 KB Output is correct
42 Correct 42 ms 4940 KB Output is correct
43 Correct 40 ms 4696 KB Output is correct
44 Correct 40 ms 4868 KB Output is correct
45 Correct 40 ms 4700 KB Output is correct
46 Correct 40 ms 4868 KB Output is correct
47 Correct 41 ms 4844 KB Output is correct
48 Correct 41 ms 4696 KB Output is correct
49 Correct 41 ms 4700 KB Output is correct
50 Correct 19 ms 4696 KB Output is correct
51 Correct 20 ms 4700 KB Output is correct
52 Correct 20 ms 4852 KB Output is correct
53 Correct 20 ms 4696 KB Output is correct
54 Correct 21 ms 4700 KB Output is correct
55 Correct 20 ms 4700 KB Output is correct
56 Correct 3 ms 4696 KB Output is correct
57 Correct 27 ms 4828 KB Output is correct
58 Correct 27 ms 4700 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 2 ms 4696 KB Output is correct
4 Correct 118 ms 11604 KB Output is correct
5 Correct 111 ms 11600 KB Output is correct
6 Correct 110 ms 12628 KB Output is correct
7 Correct 164 ms 13244 KB Output is correct
8 Correct 164 ms 13140 KB Output is correct
9 Correct 169 ms 13028 KB Output is correct
10 Correct 173 ms 13460 KB Output is correct
11 Correct 165 ms 13140 KB Output is correct
12 Correct 154 ms 13212 KB Output is correct
13 Correct 156 ms 13136 KB Output is correct
14 Correct 149 ms 13168 KB Output is correct
15 Correct 69 ms 9952 KB Output is correct
16 Correct 135 ms 12628 KB Output is correct
17 Correct 1505 ms 4944 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Incorrect 37 ms 10708 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 2 ms 4560 KB Output is correct
4 Incorrect 151 ms 13224 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 2 ms 4744 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4700 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 2 ms 4700 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct
21 Correct 2 ms 4656 KB Output is correct
22 Correct 2 ms 4700 KB Output is correct
23 Correct 2 ms 4700 KB Output is correct
24 Correct 2 ms 4700 KB Output is correct
25 Correct 2 ms 4700 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 2 ms 4700 KB Output is correct
29 Correct 2 ms 4696 KB Output is correct
30 Correct 15 ms 4696 KB Output is correct
31 Correct 19 ms 4700 KB Output is correct
32 Correct 29 ms 4852 KB Output is correct
33 Correct 28 ms 4700 KB Output is correct
34 Correct 28 ms 4700 KB Output is correct
35 Correct 29 ms 4696 KB Output is correct
36 Correct 30 ms 4700 KB Output is correct
37 Correct 29 ms 4700 KB Output is correct
38 Correct 39 ms 4696 KB Output is correct
39 Correct 40 ms 4944 KB Output is correct
40 Correct 40 ms 4700 KB Output is correct
41 Correct 42 ms 4696 KB Output is correct
42 Correct 42 ms 4940 KB Output is correct
43 Correct 40 ms 4696 KB Output is correct
44 Correct 40 ms 4868 KB Output is correct
45 Correct 40 ms 4700 KB Output is correct
46 Correct 40 ms 4868 KB Output is correct
47 Correct 41 ms 4844 KB Output is correct
48 Correct 41 ms 4696 KB Output is correct
49 Correct 41 ms 4700 KB Output is correct
50 Correct 19 ms 4696 KB Output is correct
51 Correct 20 ms 4700 KB Output is correct
52 Correct 20 ms 4852 KB Output is correct
53 Correct 20 ms 4696 KB Output is correct
54 Correct 21 ms 4700 KB Output is correct
55 Correct 20 ms 4700 KB Output is correct
56 Correct 3 ms 4696 KB Output is correct
57 Correct 27 ms 4828 KB Output is correct
58 Correct 27 ms 4700 KB Output is correct
59 Correct 1 ms 4700 KB Output is correct
60 Correct 1 ms 4700 KB Output is correct
61 Correct 2 ms 4696 KB Output is correct
62 Correct 118 ms 11604 KB Output is correct
63 Correct 111 ms 11600 KB Output is correct
64 Correct 110 ms 12628 KB Output is correct
65 Correct 164 ms 13244 KB Output is correct
66 Correct 164 ms 13140 KB Output is correct
67 Correct 169 ms 13028 KB Output is correct
68 Correct 173 ms 13460 KB Output is correct
69 Correct 165 ms 13140 KB Output is correct
70 Correct 154 ms 13212 KB Output is correct
71 Correct 156 ms 13136 KB Output is correct
72 Correct 149 ms 13168 KB Output is correct
73 Correct 69 ms 9952 KB Output is correct
74 Correct 135 ms 12628 KB Output is correct
75 Correct 1505 ms 4944 KB Output is correct
76 Correct 1 ms 4700 KB Output is correct
77 Incorrect 37 ms 10708 KB Output isn't correct
78 Halted 0 ms 0 KB -