oj.uz

Submission #889688

# Submission time Handle Problem Language Result Execution time Memory
889688 2023-12-20T05:13:08 Z vjudge1 Tourism (JOI23_tourism) C++17
5 / 100
 5000 ms 1048576 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];
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;
    vector <int> g[n+1];
    int cnt=0;
    for(int i=0;i<n-1;i++){
        int u,v;
        cin>>u>>v;
        if(u==v+1)cnt++;
        g[u].pb(v);
        g[v].pb(u);
    }
    for(int i=1;i<=m;i++){
        cin>>c[i];
    }
    if(cnt==n-1){
        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";
        }
        return 0;
    }
    queue <int> q;
    vector <vector <int> > d(n+1,vector <int> (n+1,-1));
    vector <vector <int> > p(n+1,vector <int> (n+1));
    for(int i=1;i<=n;i++){
        q.push(i);
        d[i][i]=0;
        while(!q.empty()){
            int v=q.front();
            q.pop();
            for(auto to : g[v]){
                if(d[i][to]==-1){
                    d[i][to]=d[i][v]+1;
                    p[i][to]=v;
                    q.push(to);
                }
            }
        }
    }
    
    
    
    while(qq--){
        int l,r;
        cin>>l>>r;
        set <int> st;
        if(l==r)st.insert(l);
        for(int i=l;i<r;i++){
            int x=c[i+1];
            st.insert(x);st.insert(c[i]);
            while(x!=c[i]){
                x=p[c[i]][x];
                st.insert(x);
            }
        }
        cout<<st.size()<<"\n";
    }
       
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 7 ms 900 KB Output is correct
5 Correct 7 ms 1116 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 7 ms 1048 KB Output is correct
8 Correct 6 ms 1628 KB Output is correct
9 Correct 14 ms 1916 KB Output is correct
10 Correct 14 ms 1884 KB Output is correct
11 Correct 14 ms 1884 KB Output is correct
12 Correct 36 ms 1880 KB Output is correct
13 Correct 33 ms 1884 KB Output is correct
14 Correct 35 ms 2136 KB Output is correct
15 Correct 67 ms 1884 KB Output is correct
16 Correct 67 ms 1880 KB Output is correct
17 Correct 72 ms 1880 KB Output is correct
18 Correct 52 ms 2136 KB Output is correct
19 Correct 56 ms 1884 KB Output is correct
20 Correct 63 ms 1880 KB Output is correct
21 Correct 6 ms 1884 KB Output is correct
22 Correct 6 ms 1884 KB Output is correct
23 Correct 6 ms 1884 KB Output is correct
24 Correct 6 ms 1884 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1784 KB Output is correct
27 Correct 1 ms 4640 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1880 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 7 ms 900 KB Output is correct
5 Correct 7 ms 1116 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 7 ms 1048 KB Output is correct
8 Correct 6 ms 1628 KB Output is correct
9 Correct 14 ms 1916 KB Output is correct
10 Correct 14 ms 1884 KB Output is correct
11 Correct 14 ms 1884 KB Output is correct
12 Correct 36 ms 1880 KB Output is correct
13 Correct 33 ms 1884 KB Output is correct
14 Correct 35 ms 2136 KB Output is correct
15 Correct 67 ms 1884 KB Output is correct
16 Correct 67 ms 1880 KB Output is correct
17 Correct 72 ms 1880 KB Output is correct
18 Correct 52 ms 2136 KB Output is correct
19 Correct 56 ms 1884 KB Output is correct
20 Correct 63 ms 1880 KB Output is correct
21 Correct 6 ms 1884 KB Output is correct
22 Correct 6 ms 1884 KB Output is correct
23 Correct 6 ms 1884 KB Output is correct
24 Correct 6 ms 1884 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1784 KB Output is correct
27 Correct 1 ms 4640 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1880 KB Output is correct
30 Correct 499 ms 34704 KB Output is correct
31 Correct 647 ms 32860 KB Output is correct
32 Correct 1091 ms 63696 KB Output is correct
33 Correct 1126 ms 63456 KB Output is correct
34 Correct 1079 ms 63444 KB Output is correct
35 Correct 2907 ms 63448 KB Output is correct
36 Correct 3073 ms 63444 KB Output is correct
37 Correct 3079 ms 63444 KB Output is correct
38 Execution timed out 5008 ms 63576 KB Time limit exceeded
39 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4444 KB Output is correct
4 Runtime error 584 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 427 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 2 ms 4444 KB Output is correct
4 Runtime error 408 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #6
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 7 ms 900 KB Output is correct
5 Correct 7 ms 1116 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 7 ms 1048 KB Output is correct
8 Correct 6 ms 1628 KB Output is correct
9 Correct 14 ms 1916 KB Output is correct
10 Correct 14 ms 1884 KB Output is correct
11 Correct 14 ms 1884 KB Output is correct
12 Correct 36 ms 1880 KB Output is correct
13 Correct 33 ms 1884 KB Output is correct
14 Correct 35 ms 2136 KB Output is correct
15 Correct 67 ms 1884 KB Output is correct
16 Correct 67 ms 1880 KB Output is correct
17 Correct 72 ms 1880 KB Output is correct
18 Correct 52 ms 2136 KB Output is correct
19 Correct 56 ms 1884 KB Output is correct
20 Correct 63 ms 1880 KB Output is correct
21 Correct 6 ms 1884 KB Output is correct
22 Correct 6 ms 1884 KB Output is correct
23 Correct 6 ms 1884 KB Output is correct
24 Correct 6 ms 1884 KB Output is correct
25 Correct 6 ms 1884 KB Output is correct
26 Correct 6 ms 1784 KB Output is correct
27 Correct 1 ms 4640 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1880 KB Output is correct
30 Correct 499 ms 34704 KB Output is correct
31 Correct 647 ms 32860 KB Output is correct
32 Correct 1091 ms 63696 KB Output is correct
33 Correct 1126 ms 63456 KB Output is correct
34 Correct 1079 ms 63444 KB Output is correct
35 Correct 2907 ms 63448 KB Output is correct
36 Correct 3073 ms 63444 KB Output is correct
37 Correct 3079 ms 63444 KB Output is correct
38 Execution timed out 5008 ms 63576 KB Time limit exceeded
39 Halted 0 ms 0 KB -