Submission #882520

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
882520	2023-12-03T10:01:02 Z	iskhakkutbilim	Construction of Highway (JOI18_construction)	C++17	7 / 100	2000 ms	24440 KB

construction

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define all(a) (a.begin(), a.end())

const int mod = 1e9 + 7;
const int N = 1e5;
int n, c[N+10];
vector<int> g[N+10], group[N+10];
int shortest[N+10];
int par[N+10];
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin >> n;
	for(int i = 1;i <= n; i++){
		cin >> c[i];
		shortest[i] = -1;
	}
	int q = n-1;
	shortest[1] = 0;
	par[1] = -1; 
	group[1].push_back(1);
	while(q--){
		int a, b; cin >> a >> b;
		if(shortest[a] == -1 || shortest[b] > 0){
			assert(false);
		}
		
		int cost = 0;
		for(int s : group[a]){
			if(shortest[s] == -1) continue;
			for(int t : group[a]){
				if(shortest[t] == -1) continue;
				if(shortest[s] < shortest[t]){
					cost+= (c[s] > c[t]); 
				}
			}
		}
		g[a].push_back(b);
		for(int x : group[a]){
			group[b].push_back(x);
		}
		group[b].push_back(b);
		if(shortest[b] == -1 or shortest[b] > shortest[a]+1){
			shortest[b] = shortest[a] + 1;
			par[b] = a;
		}
		int parent = a;
		while(parent != -1){
			c[parent] = c[b];
			parent = par[parent];
		}
		cout << cost << '\n';
	}
	return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6492 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	6492 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	6680 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6492 KB	Output is correct
8	Correct	47 ms	7772 KB	Output is correct
9	Correct	37 ms	7844 KB	Output is correct
10	Correct	37 ms	7772 KB	Output is correct
11	Correct	11 ms	7260 KB	Output is correct
12	Correct	11 ms	7140 KB	Output is correct
13	Correct	13 ms	7056 KB	Output is correct
14	Correct	12 ms	7260 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	1 ms	6492 KB	Output is correct
19	Correct	16 ms	7216 KB	Output is correct
20	Correct	12 ms	7260 KB	Output is correct
21	Correct	12 ms	7184 KB	Output is correct
22	Correct	2 ms	6488 KB	Output is correct
23	Correct	1 ms	6492 KB	Output is correct
24	Correct	2 ms	6492 KB	Output is correct
25	Correct	1 ms	6492 KB	Output is correct
26	Correct	37 ms	7808 KB	Output is correct
27	Correct	12 ms	7260 KB	Output is correct
28	Correct	11 ms	7120 KB	Output is correct
29	Correct	12 ms	7260 KB	Output is correct
30	Correct	2 ms	6584 KB	Output is correct
31	Correct	2 ms	6488 KB	Output is correct
32	Correct	12 ms	7308 KB	Output is correct
33	Correct	4 ms	6748 KB	Output is correct
34	Correct	3 ms	6748 KB	Output is correct
35	Correct	2 ms	6748 KB	Output is correct
36	Correct	4 ms	6748 KB	Output is correct
37	Correct	4 ms	6748 KB	Output is correct
38	Correct	2 ms	6748 KB	Output is correct
39	Correct	5 ms	6812 KB	Output is correct
40	Correct	3 ms	6748 KB	Output is correct
41	Correct	2 ms	6748 KB	Output is correct
42	Correct	4 ms	6748 KB	Output is correct
43	Correct	3 ms	6748 KB	Output is correct
44	Correct	3 ms	6748 KB	Output is correct

Subtask #2
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6492 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	6492 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	6680 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6492 KB	Output is correct
8	Correct	47 ms	7772 KB	Output is correct
9	Correct	37 ms	7844 KB	Output is correct
10	Correct	37 ms	7772 KB	Output is correct
11	Correct	11 ms	7260 KB	Output is correct
12	Correct	11 ms	7140 KB	Output is correct
13	Correct	13 ms	7056 KB	Output is correct
14	Correct	12 ms	7260 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	1 ms	6492 KB	Output is correct
19	Correct	16 ms	7216 KB	Output is correct
20	Correct	12 ms	7260 KB	Output is correct
21	Correct	12 ms	7184 KB	Output is correct
22	Correct	2 ms	6488 KB	Output is correct
23	Correct	1 ms	6492 KB	Output is correct
24	Correct	2 ms	6492 KB	Output is correct
25	Correct	1 ms	6492 KB	Output is correct
26	Correct	37 ms	7808 KB	Output is correct
27	Correct	12 ms	7260 KB	Output is correct
28	Correct	11 ms	7120 KB	Output is correct
29	Correct	12 ms	7260 KB	Output is correct
30	Correct	2 ms	6584 KB	Output is correct
31	Correct	2 ms	6488 KB	Output is correct
32	Correct	12 ms	7308 KB	Output is correct
33	Correct	4 ms	6748 KB	Output is correct
34	Correct	3 ms	6748 KB	Output is correct
35	Correct	2 ms	6748 KB	Output is correct
36	Correct	4 ms	6748 KB	Output is correct
37	Correct	4 ms	6748 KB	Output is correct
38	Correct	2 ms	6748 KB	Output is correct
39	Correct	5 ms	6812 KB	Output is correct
40	Correct	3 ms	6748 KB	Output is correct
41	Correct	2 ms	6748 KB	Output is correct
42	Correct	4 ms	6748 KB	Output is correct
43	Correct	3 ms	6748 KB	Output is correct
44	Correct	3 ms	6748 KB	Output is correct
45	Correct	2 ms	6748 KB	Output is correct
46	Correct	4 ms	7004 KB	Output is correct
47	Correct	4 ms	7004 KB	Output is correct
48	Correct	3 ms	7004 KB	Output is correct
49	Execution timed out	2089 ms	24440 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Subtask #3
0 / 84.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6492 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	6492 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	6680 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6492 KB	Output is correct
8	Correct	47 ms	7772 KB	Output is correct
9	Correct	37 ms	7844 KB	Output is correct
10	Correct	37 ms	7772 KB	Output is correct
11	Correct	11 ms	7260 KB	Output is correct
12	Correct	11 ms	7140 KB	Output is correct
13	Correct	13 ms	7056 KB	Output is correct
14	Correct	12 ms	7260 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	1 ms	6492 KB	Output is correct
18	Correct	1 ms	6492 KB	Output is correct
19	Correct	16 ms	7216 KB	Output is correct
20	Correct	12 ms	7260 KB	Output is correct
21	Correct	12 ms	7184 KB	Output is correct
22	Correct	2 ms	6488 KB	Output is correct
23	Correct	1 ms	6492 KB	Output is correct
24	Correct	2 ms	6492 KB	Output is correct
25	Correct	1 ms	6492 KB	Output is correct
26	Correct	37 ms	7808 KB	Output is correct
27	Correct	12 ms	7260 KB	Output is correct
28	Correct	11 ms	7120 KB	Output is correct
29	Correct	12 ms	7260 KB	Output is correct
30	Correct	2 ms	6584 KB	Output is correct
31	Correct	2 ms	6488 KB	Output is correct
32	Correct	12 ms	7308 KB	Output is correct
33	Correct	4 ms	6748 KB	Output is correct
34	Correct	3 ms	6748 KB	Output is correct
35	Correct	2 ms	6748 KB	Output is correct
36	Correct	4 ms	6748 KB	Output is correct
37	Correct	4 ms	6748 KB	Output is correct
38	Correct	2 ms	6748 KB	Output is correct
39	Correct	5 ms	6812 KB	Output is correct
40	Correct	3 ms	6748 KB	Output is correct
41	Correct	2 ms	6748 KB	Output is correct
42	Correct	4 ms	6748 KB	Output is correct
43	Correct	3 ms	6748 KB	Output is correct
44	Correct	3 ms	6748 KB	Output is correct
45	Correct	2 ms	6748 KB	Output is correct
46	Correct	4 ms	7004 KB	Output is correct
47	Correct	4 ms	7004 KB	Output is correct
48	Correct	3 ms	7004 KB	Output is correct
49	Execution timed out	2089 ms	24440 KB	Time limit exceeded
50	Halted	0 ms	0 KB	-

Submission #882520

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
0 / 9.0

Subtask #3
0 / 84.0