Submission #676936

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
676936	2023-01-01T16:31:26 Z	penguin133	Dreaming (IOI13_dreaming)	C++17	47 / 100	613 ms	65536 KB

dreaming

#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;
 
//#define int long long
typedef int ll;
#define pi pair<int, ll>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
 
int vis[100005];
vector<pi>v[100005], adj[100005];
ll maxi = -1e9, pos;
vector<int> trav;
void dfs(int x, ll cur){
	if(vis[x])return;
	vis[x] = 1;
	trav.push_back(x);
	if(cur > maxi)maxi = cur, pos = x;
	for(auto [i, j] : v[x])dfs(i, cur + j);
}
 
void diam(int x, int p, ll cur){
  vis[x] = 1;
	if(cur > maxi)maxi = cur, pos = x;
	for(auto [i, j] : v[x])if(i != p)diam(i, x, cur + j);
}
 
vector<int> mids, path;
 
void find(int cur, int tgt, int p){
	trav.push_back(cur);
	if(cur == tgt){
		path = trav;
		return;
	}
	for(auto [i, j] : v[cur])if(i != p)find(i, tgt, cur);
	trav.pop_back();
}
 
ll mx;
 
void recur(int x, int p, ll cur){
	mx = max(mx, cur);
	for(auto [i, j] : v[x])if(i != p)recur(i, x, cur + j);
}
 
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	
	for(int i=0;i<M;i++)v[A[i]].push_back({B[i], T[i]}), v[B[i]].push_back({A[i], T[i]});
	for(int i=0;i<N;i++){
		if(!vis[i]){
			maxi = -1e9;
			diam(i, -1, 0);
			int pos2 = pos;
			maxi = -1e9;
			diam(pos, -1, 0);
			//cerr << pos << " " << pos2 << '\n';
			ll cur = 0;
			ll mn = INT_MAX; 
			find(pos2, pos, -1);
			int cent = path[0];
			trav.clear();
			for(int j=0;j<(int)path.size();j++){
				mx = max(cur, maxi - cur);
				for(auto [a, b] : v[path[j]]){
					if((!j || path[j-1] != a) && (j == (int)path.size() - 1 || path[j+1] != a))recur(a, path[j], b);
					if(j < (int)path.size() - 1 && a == path[j+1])cur += b;
				}
				if(mn > mx)mn = mx, cent = path[j];
			}
			//cerr << cent << '\n';
			mids.push_back(cent);
		}
	}
	//for(auto i : mids)cerr << i << " ";
	//cerr << '\n';
	ll mini = INT_MAX;
	for(int i=0;i<(int)mids.size();i++){
		for(int j=0;j<(int)mids.size();j++){
			if(j == i)continue;
			v[mids[i]].push_back({mids[j], L});
			v[mids[j]].push_back({mids[i], L});		
		}
		maxi = -1e9;
		diam(0, -1, 0);
		maxi = -1e9;
		diam(pos, -1, 0);
		//cerr << maxi << '\n';
		mini = min(mini, maxi);
		for(int j=0;j<(int)mids.size();j++){
			if(j == i)continue;
			v[mids[j]].pop_back();
		}
		for(int j=0;j<(int)mids.size()-1;j++)v[mids[i]].pop_back();
	}
	return mini;
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	54 ms	17228 KB	Output is correct
2	Correct	56 ms	17240 KB	Output is correct
3	Correct	34 ms	12984 KB	Output is correct
4	Correct	9 ms	6740 KB	Output is correct
5	Correct	9 ms	5844 KB	Output is correct
6	Correct	16 ms	7712 KB	Output is correct
7	Correct	2 ms	4948 KB	Output is correct
8	Correct	30 ms	9068 KB	Output is correct
9	Correct	38 ms	10936 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	59 ms	12452 KB	Output is correct
12	Correct	66 ms	14744 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	2 ms	4948 KB	Output is correct
3	Correct	2 ms	4948 KB	Output is correct
4	Correct	2 ms	4948 KB	Output is correct
5	Correct	2 ms	4948 KB	Output is correct
6	Correct	3 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	4 ms	4948 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	3 ms	4948 KB	Output is correct
12	Correct	2 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	2 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	2 ms	4948 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	2 ms	4948 KB	Output is correct
21	Correct	2 ms	4948 KB	Output is correct
22	Correct	2 ms	4948 KB	Output is correct
23	Correct	2 ms	4948 KB	Output is correct
24	Correct	2 ms	4948 KB	Output is correct
25	Correct	2 ms	4948 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	54 ms	17228 KB	Output is correct
2	Correct	56 ms	17240 KB	Output is correct
3	Correct	34 ms	12984 KB	Output is correct
4	Correct	9 ms	6740 KB	Output is correct
5	Correct	9 ms	5844 KB	Output is correct
6	Correct	16 ms	7712 KB	Output is correct
7	Correct	2 ms	4948 KB	Output is correct
8	Correct	30 ms	9068 KB	Output is correct
9	Correct	38 ms	10936 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	59 ms	12452 KB	Output is correct
12	Correct	66 ms	14744 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	2 ms	4948 KB	Output is correct
17	Correct	2 ms	4948 KB	Output is correct
18	Correct	2 ms	4948 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	4 ms	4948 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 ms	4948 KB	Output is correct
24	Correct	3 ms	4948 KB	Output is correct
25	Correct	2 ms	4948 KB	Output is correct
26	Correct	3 ms	4948 KB	Output is correct
27	Correct	3 ms	4948 KB	Output is correct
28	Correct	2 ms	4948 KB	Output is correct
29	Correct	2 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	2 ms	4948 KB	Output is correct
32	Correct	3 ms	4948 KB	Output is correct
33	Correct	2 ms	4948 KB	Output is correct
34	Correct	2 ms	4948 KB	Output is correct
35	Correct	2 ms	4948 KB	Output is correct
36	Correct	2 ms	4948 KB	Output is correct
37	Correct	2 ms	4948 KB	Output is correct
38	Correct	2 ms	4948 KB	Output is correct
39	Correct	72 ms	17152 KB	Output is correct
40	Correct	58 ms	17120 KB	Output is correct
41	Correct	34 ms	13008 KB	Output is correct
42	Correct	9 ms	6740 KB	Output is correct
43	Correct	3 ms	4948 KB	Output is correct
44	Correct	2 ms	4948 KB	Output is correct
45	Correct	2 ms	4948 KB	Output is correct
46	Correct	3 ms	4948 KB	Output is correct
47	Correct	3 ms	4948 KB	Output is correct
48	Correct	3 ms	4948 KB	Output is correct
49	Correct	3 ms	4948 KB	Output is correct
50	Correct	3 ms	4948 KB	Output is correct
51	Correct	2 ms	4948 KB	Output is correct
52	Correct	2 ms	4948 KB	Output is correct
53	Correct	3 ms	4948 KB	Output is correct
54	Correct	2 ms	4948 KB	Output is correct
55	Correct	3 ms	4948 KB	Output is correct
56	Correct	2 ms	4948 KB	Output is correct
57	Correct	87 ms	10540 KB	Output is correct
58	Correct	79 ms	10536 KB	Output is correct
59	Correct	101 ms	10572 KB	Output is correct
60	Correct	116 ms	10428 KB	Output is correct
61	Correct	73 ms	10316 KB	Output is correct
62	Correct	74 ms	10324 KB	Output is correct
63	Correct	69 ms	10220 KB	Output is correct
64	Correct	72 ms	10316 KB	Output is correct
65	Correct	70 ms	10188 KB	Output is correct
66	Correct	70 ms	10216 KB	Output is correct
67	Correct	78 ms	10484 KB	Output is correct
68	Correct	81 ms	10436 KB	Output is correct
69	Correct	122 ms	10428 KB	Output is correct
70	Correct	81 ms	10444 KB	Output is correct
71	Correct	2 ms	4948 KB	Output is correct
72	Correct	4 ms	5076 KB	Output is correct
73	Correct	4 ms	5204 KB	Output is correct
74	Correct	4 ms	5076 KB	Output is correct
75	Correct	4 ms	5076 KB	Output is correct
76	Correct	4 ms	5076 KB	Output is correct
77	Correct	4 ms	5076 KB	Output is correct
78	Correct	4 ms	5076 KB	Output is correct
79	Correct	4 ms	5076 KB	Output is correct
80	Correct	117 ms	10460 KB	Output is correct
81	Correct	104 ms	10416 KB	Output is correct
82	Correct	85 ms	10440 KB	Output is correct
83	Correct	75 ms	10328 KB	Output is correct
84	Correct	3 ms	5076 KB	Output is correct
85	Correct	3 ms	5076 KB	Output is correct
86	Correct	4 ms	5076 KB	Output is correct
87	Correct	4 ms	5076 KB	Output is correct
88	Correct	4 ms	5076 KB	Output is correct
89	Correct	4 ms	5076 KB	Output is correct
90	Correct	4 ms	5076 KB	Output is correct
91	Correct	4 ms	5076 KB	Output is correct
92	Correct	4 ms	5076 KB	Output is correct
93	Correct	5 ms	5076 KB	Output is correct
94	Correct	3 ms	4948 KB	Output is correct
95	Correct	3 ms	4948 KB	Output is correct
96	Correct	3 ms	4948 KB	Output is correct
97	Correct	3 ms	4948 KB	Output is correct
98	Correct	2 ms	4992 KB	Output is correct
99	Correct	2 ms	4948 KB	Output is correct
100	Correct	3 ms	4948 KB	Output is correct
101	Correct	2 ms	4948 KB	Output is correct
102	Correct	3 ms	4948 KB	Output is correct
103	Correct	3 ms	4948 KB	Output is correct
104	Correct	8 ms	5844 KB	Output is correct
105	Correct	18 ms	7600 KB	Output is correct
106	Correct	3 ms	4948 KB	Output is correct
107	Correct	36 ms	9036 KB	Output is correct
108	Correct	41 ms	10944 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	56 ms	12400 KB	Output is correct
111	Correct	87 ms	14800 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	107 ms	18428 KB	Output is correct

Subtask #4
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	613 ms	65536 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	2 ms	4948 KB	Output is correct
3	Correct	2 ms	4948 KB	Output is correct
4	Correct	2 ms	4948 KB	Output is correct
5	Correct	2 ms	4948 KB	Output is correct
6	Correct	3 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	4 ms	4948 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	3 ms	4948 KB	Output is correct
12	Correct	2 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	2 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	2 ms	4948 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	2 ms	4948 KB	Output is correct
21	Correct	2 ms	4948 KB	Output is correct
22	Correct	2 ms	4948 KB	Output is correct
23	Correct	2 ms	4948 KB	Output is correct
24	Correct	2 ms	4948 KB	Output is correct
25	Correct	2 ms	4948 KB	Output is correct
26	Correct	7 ms	5332 KB	Output is correct
27	Correct	24 ms	6352 KB	Output is correct
28	Correct	46 ms	7164 KB	Output is correct
29	Correct	7 ms	5332 KB	Output is correct
30	Correct	17 ms	6228 KB	Output is correct
31	Correct	36 ms	6868 KB	Output is correct
32	Correct	5 ms	5224 KB	Output is correct
33	Correct	14 ms	6100 KB	Output is correct
34	Correct	32 ms	6636 KB	Output is correct
35	Correct	2 ms	4948 KB	Output is correct
36	Correct	3 ms	4948 KB	Output is correct
37	Correct	2 ms	4948 KB	Output is correct
38	Correct	2 ms	4948 KB	Output is correct
39	Correct	3 ms	4948 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	3 ms	5076 KB	Output is correct
42	Correct	3 ms	4948 KB	Output is correct
43	Correct	2 ms	4948 KB	Output is correct
44	Correct	3 ms	4948 KB	Output is correct
45	Correct	3 ms	4948 KB	Output is correct
46	Correct	3 ms	4948 KB	Output is correct
47	Correct	2 ms	4948 KB	Output is correct
48	Correct	2 ms	4948 KB	Output is correct
49	Correct	3 ms	4948 KB	Output is correct
50	Correct	2 ms	4948 KB	Output is correct
51	Correct	3 ms	4948 KB	Output is correct
52	Correct	3 ms	4948 KB	Output is correct
53	Correct	3 ms	4948 KB	Output is correct
54	Correct	4 ms	5332 KB	Output is correct
55	Correct	4 ms	5332 KB	Output is correct
56	Correct	144 ms	24088 KB	Output is correct
57	Correct	308 ms	59724 KB	Output is correct
58	Correct	4 ms	5204 KB	Output is correct
59	Correct	5 ms	5148 KB	Output is correct
60	Correct	209 ms	32832 KB	Output is correct
61	Correct	285 ms	50788 KB	Output is correct
62	Correct	4 ms	5152 KB	Output is correct
63	Correct	5 ms	5204 KB	Output is correct
64	Runtime error	333 ms	65536 KB	Execution killed with signal 9
65	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	54 ms	17228 KB	Output is correct
2	Correct	56 ms	17240 KB	Output is correct
3	Correct	34 ms	12984 KB	Output is correct
4	Correct	9 ms	6740 KB	Output is correct
5	Correct	9 ms	5844 KB	Output is correct
6	Correct	16 ms	7712 KB	Output is correct
7	Correct	2 ms	4948 KB	Output is correct
8	Correct	30 ms	9068 KB	Output is correct
9	Correct	38 ms	10936 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	59 ms	12452 KB	Output is correct
12	Correct	66 ms	14744 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	2 ms	4948 KB	Output is correct
17	Correct	2 ms	4948 KB	Output is correct
18	Correct	2 ms	4948 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	4 ms	4948 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 ms	4948 KB	Output is correct
24	Correct	3 ms	4948 KB	Output is correct
25	Correct	2 ms	4948 KB	Output is correct
26	Correct	3 ms	4948 KB	Output is correct
27	Correct	3 ms	4948 KB	Output is correct
28	Correct	2 ms	4948 KB	Output is correct
29	Correct	2 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	2 ms	4948 KB	Output is correct
32	Correct	3 ms	4948 KB	Output is correct
33	Correct	2 ms	4948 KB	Output is correct
34	Correct	2 ms	4948 KB	Output is correct
35	Correct	2 ms	4948 KB	Output is correct
36	Correct	2 ms	4948 KB	Output is correct
37	Correct	2 ms	4948 KB	Output is correct
38	Correct	2 ms	4948 KB	Output is correct
39	Correct	72 ms	17152 KB	Output is correct
40	Correct	58 ms	17120 KB	Output is correct
41	Correct	34 ms	13008 KB	Output is correct
42	Correct	9 ms	6740 KB	Output is correct
43	Correct	3 ms	4948 KB	Output is correct
44	Correct	2 ms	4948 KB	Output is correct
45	Correct	2 ms	4948 KB	Output is correct
46	Correct	3 ms	4948 KB	Output is correct
47	Correct	3 ms	4948 KB	Output is correct
48	Correct	3 ms	4948 KB	Output is correct
49	Correct	3 ms	4948 KB	Output is correct
50	Correct	3 ms	4948 KB	Output is correct
51	Correct	2 ms	4948 KB	Output is correct
52	Correct	2 ms	4948 KB	Output is correct
53	Correct	3 ms	4948 KB	Output is correct
54	Correct	2 ms	4948 KB	Output is correct
55	Correct	3 ms	4948 KB	Output is correct
56	Correct	2 ms	4948 KB	Output is correct
57	Correct	87 ms	10540 KB	Output is correct
58	Correct	79 ms	10536 KB	Output is correct
59	Correct	101 ms	10572 KB	Output is correct
60	Correct	116 ms	10428 KB	Output is correct
61	Correct	73 ms	10316 KB	Output is correct
62	Correct	74 ms	10324 KB	Output is correct
63	Correct	69 ms	10220 KB	Output is correct
64	Correct	72 ms	10316 KB	Output is correct
65	Correct	70 ms	10188 KB	Output is correct
66	Correct	70 ms	10216 KB	Output is correct
67	Correct	78 ms	10484 KB	Output is correct
68	Correct	81 ms	10436 KB	Output is correct
69	Correct	122 ms	10428 KB	Output is correct
70	Correct	81 ms	10444 KB	Output is correct
71	Correct	2 ms	4948 KB	Output is correct
72	Correct	4 ms	5076 KB	Output is correct
73	Correct	4 ms	5204 KB	Output is correct
74	Correct	4 ms	5076 KB	Output is correct
75	Correct	4 ms	5076 KB	Output is correct
76	Correct	4 ms	5076 KB	Output is correct
77	Correct	4 ms	5076 KB	Output is correct
78	Correct	4 ms	5076 KB	Output is correct
79	Correct	4 ms	5076 KB	Output is correct
80	Correct	117 ms	10460 KB	Output is correct
81	Correct	104 ms	10416 KB	Output is correct
82	Correct	85 ms	10440 KB	Output is correct
83	Correct	75 ms	10328 KB	Output is correct
84	Correct	3 ms	5076 KB	Output is correct
85	Correct	3 ms	5076 KB	Output is correct
86	Correct	4 ms	5076 KB	Output is correct
87	Correct	4 ms	5076 KB	Output is correct
88	Correct	4 ms	5076 KB	Output is correct
89	Correct	4 ms	5076 KB	Output is correct
90	Correct	4 ms	5076 KB	Output is correct
91	Correct	4 ms	5076 KB	Output is correct
92	Correct	4 ms	5076 KB	Output is correct
93	Correct	5 ms	5076 KB	Output is correct
94	Correct	3 ms	4948 KB	Output is correct
95	Correct	3 ms	4948 KB	Output is correct
96	Correct	3 ms	4948 KB	Output is correct
97	Correct	3 ms	4948 KB	Output is correct
98	Correct	2 ms	4992 KB	Output is correct
99	Correct	2 ms	4948 KB	Output is correct
100	Correct	3 ms	4948 KB	Output is correct
101	Correct	2 ms	4948 KB	Output is correct
102	Correct	3 ms	4948 KB	Output is correct
103	Correct	3 ms	4948 KB	Output is correct
104	Correct	8 ms	5844 KB	Output is correct
105	Correct	18 ms	7600 KB	Output is correct
106	Correct	3 ms	4948 KB	Output is correct
107	Correct	36 ms	9036 KB	Output is correct
108	Correct	41 ms	10944 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	56 ms	12400 KB	Output is correct
111	Correct	87 ms	14800 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	107 ms	18428 KB	Output is correct
114	Runtime error	613 ms	65536 KB	Execution killed with signal 9
115	Halted	0 ms	0 KB	-

Submission #676936

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0