답안 #836112

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
836112	2023-08-24T07:29:51 Z	josanneo22	Tourism (JOI23_tourism)	C++17	10 / 100	5000 ms	10552 KB

tourism

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ld long double
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define ar array

/*tourism
subtask 1&2: make root at l[i] then just find number of nodes passed through

*/
void solve(){
	int n,m,q; cin>>n>>m>>q;
	vector<vector<int>> g(n+1);
	for(int i=0;i<n-1;i++){
		int u,v; cin>>u>>v;
		g[u].pb(v); g[v].pb(u);
	}
	vector<int> c(m+1),d(n+1);
	function<void(int,int)> dfs=[&](int u,int f){
		for(auto&v:g[u]){
			if(v==f) continue;
			dfs(v,u);
			d[u]+=d[v];
		}
	};
	for(int i=1;i<=m;i++) cin>>c[i];
	auto reset=[&](int l,int r){
		for(int i=1;i<=n;i++) d[i]=0;
		for(int i=l;i<=r;i++) d[c[i]]=1;
	};
	auto ans=[&](int l,int r){
		reset(l,r);
		dfs(c[l],0);
		int rs=0;
		for(int i=1;i<=n;i++) if(d[i]>=1) rs++;
		cout<<rs<<'\n';
	};
	while(q--){
		int l,r; cin>>l>>r;
		ans(l,r);
	}
}
signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	clock_t tStart = clock();
	int local=0,multi=0,debug=1,tt=1;
	if(local){
	    freopen("input.txt","r",stdin);
	    freopen("output.txt","w",stdout);
	}	
	if(multi) cin>>tt;
	for(int i=1;i<=tt;i++){
		if(debug && multi && local) cout<<"样例 "<<i<<'\n';
		solve();
 	}
	fprintf(stderr, "\n>> Runtime: %.10fs\n", (double) (clock() - tStart) / CLOCKS_PER_SEC);
}

Compilation message

tourism.cpp: In function 'int main()':
tourism.cpp:55:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |      freopen("input.txt","r",stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
tourism.cpp:56:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |      freopen("output.txt","w",stdout);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	320 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	320 KB	Output is correct
30	Correct	21 ms	464 KB	Output is correct
31	Correct	27 ms	424 KB	Output is correct
32	Correct	45 ms	468 KB	Output is correct
33	Correct	43 ms	512 KB	Output is correct
34	Correct	42 ms	464 KB	Output is correct
35	Correct	43 ms	496 KB	Output is correct
36	Correct	43 ms	500 KB	Output is correct
37	Correct	45 ms	512 KB	Output is correct
38	Correct	57 ms	704 KB	Output is correct
39	Correct	54 ms	720 KB	Output is correct
40	Correct	57 ms	724 KB	Output is correct
41	Correct	54 ms	700 KB	Output is correct
42	Correct	54 ms	692 KB	Output is correct
43	Correct	57 ms	704 KB	Output is correct
44	Correct	61 ms	596 KB	Output is correct
45	Correct	55 ms	468 KB	Output is correct
46	Correct	54 ms	588 KB	Output is correct
47	Correct	55 ms	468 KB	Output is correct
48	Correct	57 ms	560 KB	Output is correct
49	Correct	55 ms	596 KB	Output is correct
50	Correct	37 ms	524 KB	Output is correct
51	Correct	39 ms	520 KB	Output is correct
52	Correct	32 ms	516 KB	Output is correct
53	Correct	38 ms	512 KB	Output is correct
54	Correct	35 ms	468 KB	Output is correct
55	Correct	33 ms	504 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	43 ms	484 KB	Output is correct
58	Correct	47 ms	504 KB	Output is correct

Subtask #3
0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Execution timed out	5050 ms	10552 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	2761 ms	5460 KB	Output is correct
3	Correct	3153 ms	6304 KB	Output is correct
4	Correct	3401 ms	6692 KB	Output is correct
5	Correct	34 ms	9700 KB	Output is correct
6	Correct	49 ms	9876 KB	Output is correct
7	Correct	59 ms	9712 KB	Output is correct
8	Correct	116 ms	9704 KB	Output is correct
9	Correct	326 ms	9680 KB	Output is correct
10	Correct	903 ms	9708 KB	Output is correct
11	Correct	2870 ms	9716 KB	Output is correct
12	Execution timed out	5013 ms	9732 KB	Time limit exceeded
13	Halted	0 ms	0 KB	-

Subtask #5
0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	2 ms	340 KB	Output is correct
4	Execution timed out	5040 ms	6508 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #6
0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	2 ms	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	320 KB	Output is correct
30	Correct	21 ms	464 KB	Output is correct
31	Correct	27 ms	424 KB	Output is correct
32	Correct	45 ms	468 KB	Output is correct
33	Correct	43 ms	512 KB	Output is correct
34	Correct	42 ms	464 KB	Output is correct
35	Correct	43 ms	496 KB	Output is correct
36	Correct	43 ms	500 KB	Output is correct
37	Correct	45 ms	512 KB	Output is correct
38	Correct	57 ms	704 KB	Output is correct
39	Correct	54 ms	720 KB	Output is correct
40	Correct	57 ms	724 KB	Output is correct
41	Correct	54 ms	700 KB	Output is correct
42	Correct	54 ms	692 KB	Output is correct
43	Correct	57 ms	704 KB	Output is correct
44	Correct	61 ms	596 KB	Output is correct
45	Correct	55 ms	468 KB	Output is correct
46	Correct	54 ms	588 KB	Output is correct
47	Correct	55 ms	468 KB	Output is correct
48	Correct	57 ms	560 KB	Output is correct
49	Correct	55 ms	596 KB	Output is correct
50	Correct	37 ms	524 KB	Output is correct
51	Correct	39 ms	520 KB	Output is correct
52	Correct	32 ms	516 KB	Output is correct
53	Correct	38 ms	512 KB	Output is correct
54	Correct	35 ms	468 KB	Output is correct
55	Correct	33 ms	504 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	43 ms	484 KB	Output is correct
58	Correct	47 ms	504 KB	Output is correct
59	Correct	1 ms	212 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Execution timed out	5050 ms	10552 KB	Time limit exceeded
63	Halted	0 ms	0 KB	-

답안 #836112

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 0 / 7.0

Subtask #4 0 / 18.0

Subtask #5 0 / 24.0

Subtask #6 0 / 41.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
0 / 7.0

Subtask #4
0 / 18.0

Subtask #5
0 / 24.0

Subtask #6
0 / 41.0