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Submission #889728

# Submission time Handle Problem Language Result Execution time Memory
889728 2023-12-20T06:22:15 Z vjudge1 Tourism (JOI23_tourism) C++17
5 / 100
 5000 ms 5464 KB 
#pragma GCC optimize("Ofast,no-stack-protector,fast-math",3)

#include "bits/stdc++.h"

using namespace std;

#define pb push_back



const int N = 1e5 + 1;

vector<int> g[N];
int huy1[N],huy2[N];

signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);      

	int n,m,q;
	cin >> n >> m >> q;
	for(int i = 0;i < n - 1;i++){
		int a,b;
		cin >> a >> b;
		g[a].pb(b);
		g[b].pb(a);
	}	
	for(int i = 1;i <= m;i++){
		int a;
		cin >> a;
		huy1[i] = a;
		huy2[a] = i;
	}
	if(n <= 2000 && m <= 2000 && q <= 2000){
		for(int i = 0;i < q;i++){
			int l,r;
			cin >> l >> r;
			vector<int> dis(n + 1);
			queue<pair<int,int>> q;
			q.push({huy1[l],-1});
			vector<int> pr(n + 1);
			while(!q.empty()){
				auto [v,p] = q.front();q.pop();
				for(auto u : g[v]){
					if(u != p){
						dis[u] = dis[v] + 1;
						pr[u] = v;
						q.push({u,v});
					}
				}
			}
			vector<int> huy3(n + 1);
			for(int i = l + 1;i <= r;i++){
				int huy4 = huy1[i];
				while(huy4 != huy1[l]){
					huy3[huy4] = 1;
					huy4 = pr[huy4];
				}
			}
			int cnt = 0;
			for(int i = 1;i <= n;i++){
				cnt += huy3[i];
			}
			cout << cnt + 1 << "\n";
		}
	}
    
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 2 ms 3420 KB Output is correct
5 Correct 2 ms 3420 KB Output is correct
6 Correct 2 ms 3164 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 3 ms 3572 KB Output is correct
9 Correct 3 ms 3420 KB Output is correct
10 Correct 3 ms 3420 KB Output is correct
11 Correct 3 ms 3420 KB Output is correct
12 Correct 4 ms 3432 KB Output is correct
13 Correct 4 ms 3420 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 8 ms 3428 KB Output is correct
16 Correct 7 ms 3420 KB Output is correct
17 Correct 8 ms 3428 KB Output is correct
18 Correct 5 ms 3420 KB Output is correct
19 Correct 6 ms 3420 KB Output is correct
20 Correct 7 ms 3424 KB Output is correct
21 Correct 2 ms 3420 KB Output is correct
22 Correct 2 ms 3420 KB Output is correct
23 Correct 2 ms 3420 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 2 ms 3420 KB Output is correct
26 Correct 2 ms 3420 KB Output is correct
27 Correct 1 ms 3164 KB Output is correct
28 Correct 2 ms 3420 KB Output is correct
29 Correct 3 ms 3420 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 2 ms 3420 KB Output is correct
5 Correct 2 ms 3420 KB Output is correct
6 Correct 2 ms 3164 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 3 ms 3572 KB Output is correct
9 Correct 3 ms 3420 KB Output is correct
10 Correct 3 ms 3420 KB Output is correct
11 Correct 3 ms 3420 KB Output is correct
12 Correct 4 ms 3432 KB Output is correct
13 Correct 4 ms 3420 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 8 ms 3428 KB Output is correct
16 Correct 7 ms 3420 KB Output is correct
17 Correct 8 ms 3428 KB Output is correct
18 Correct 5 ms 3420 KB Output is correct
19 Correct 6 ms 3420 KB Output is correct
20 Correct 7 ms 3424 KB Output is correct
21 Correct 2 ms 3420 KB Output is correct
22 Correct 2 ms 3420 KB Output is correct
23 Correct 2 ms 3420 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 2 ms 3420 KB Output is correct
26 Correct 2 ms 3420 KB Output is correct
27 Correct 1 ms 3164 KB Output is correct
28 Correct 2 ms 3420 KB Output is correct
29 Correct 3 ms 3420 KB Output is correct
30 Correct 43 ms 3420 KB Output is correct
31 Correct 55 ms 3464 KB Output is correct
32 Correct 87 ms 3488 KB Output is correct
33 Correct 88 ms 3420 KB Output is correct
34 Correct 84 ms 3500 KB Output is correct
35 Correct 167 ms 3488 KB Output is correct
36 Correct 174 ms 3620 KB Output is correct
37 Correct 177 ms 3424 KB Output is correct
38 Correct 1646 ms 3744 KB Output is correct
39 Correct 1652 ms 3668 KB Output is correct
40 Correct 1653 ms 3500 KB Output is correct
41 Execution timed out 5018 ms 3740 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 3 ms 3420 KB Output is correct
4 Incorrect 15 ms 5288 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 KB Output is correct
2 Incorrect 17 ms 5464 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 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 3 ms 3164 KB Output is correct
4 Incorrect 16 ms 5212 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 3160 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 2 ms 3420 KB Output is correct
5 Correct 2 ms 3420 KB Output is correct
6 Correct 2 ms 3164 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 3 ms 3572 KB Output is correct
9 Correct 3 ms 3420 KB Output is correct
10 Correct 3 ms 3420 KB Output is correct
11 Correct 3 ms 3420 KB Output is correct
12 Correct 4 ms 3432 KB Output is correct
13 Correct 4 ms 3420 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 8 ms 3428 KB Output is correct
16 Correct 7 ms 3420 KB Output is correct
17 Correct 8 ms 3428 KB Output is correct
18 Correct 5 ms 3420 KB Output is correct
19 Correct 6 ms 3420 KB Output is correct
20 Correct 7 ms 3424 KB Output is correct
21 Correct 2 ms 3420 KB Output is correct
22 Correct 2 ms 3420 KB Output is correct
23 Correct 2 ms 3420 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 2 ms 3420 KB Output is correct
26 Correct 2 ms 3420 KB Output is correct
27 Correct 1 ms 3164 KB Output is correct
28 Correct 2 ms 3420 KB Output is correct
29 Correct 3 ms 3420 KB Output is correct
30 Correct 43 ms 3420 KB Output is correct
31 Correct 55 ms 3464 KB Output is correct
32 Correct 87 ms 3488 KB Output is correct
33 Correct 88 ms 3420 KB Output is correct
34 Correct 84 ms 3500 KB Output is correct
35 Correct 167 ms 3488 KB Output is correct
36 Correct 174 ms 3620 KB Output is correct
37 Correct 177 ms 3424 KB Output is correct
38 Correct 1646 ms 3744 KB Output is correct
39 Correct 1652 ms 3668 KB Output is correct
40 Correct 1653 ms 3500 KB Output is correct
41 Execution timed out 5018 ms 3740 KB Time limit exceeded
42 Halted 0 ms 0 KB -