답안 #676931

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676931	2023-01-01T16:24:56 Z	penguin133	꿈 (IOI13_dreaming)	C++17	47 / 100	344 ms	65536 KB

dreaming

#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;
 
//#define int long long
typedef long long 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){
	if(cur > maxi)maxi = cur, pos = x;
	for(auto [i, j] : adj[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;
			dfs(i, 0);
			for(auto j : trav)vis[j] = 0;
			trav.clear();
			int pos2 = pos;
			maxi = -1e9;
			dfs(pos, 0);
			trav.clear();
			//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<N;j++)adj[j] = v[j];
		for(int j=0;j<(int)mids.size();j++){
			if(j == i)continue;
			adj[mids[i]].push_back({mids[j], L});
			adj[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);
	}
	return mini;
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	90 ms	22848 KB	Output is correct
2	Correct	85 ms	22800 KB	Output is correct
3	Correct	52 ms	16584 KB	Output is correct
4	Correct	10 ms	7508 KB	Output is correct
5	Correct	9 ms	6460 KB	Output is correct
6	Correct	17 ms	8904 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	35 ms	11604 KB	Output is correct
9	Correct	45 ms	14184 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	73 ms	17112 KB	Output is correct
12	Correct	92 ms	20064 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4924 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	2 ms	4948 KB	Output is correct
5	Correct	3 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	3 ms	5000 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	2 ms	4948 KB	Output is correct
13	Correct	2 ms	4948 KB	Output is correct
14	Correct	2 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	2 ms	4960 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 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	2 ms	4948 KB	Output is correct
25	Correct	3 ms	4948 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	90 ms	22848 KB	Output is correct
2	Correct	85 ms	22800 KB	Output is correct
3	Correct	52 ms	16584 KB	Output is correct
4	Correct	10 ms	7508 KB	Output is correct
5	Correct	9 ms	6460 KB	Output is correct
6	Correct	17 ms	8904 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	35 ms	11604 KB	Output is correct
9	Correct	45 ms	14184 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	73 ms	17112 KB	Output is correct
12	Correct	92 ms	20064 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	3 ms	4924 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	2 ms	4948 KB	Output is correct
18	Correct	3 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	3 ms	5000 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 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	2 ms	4948 KB	Output is correct
27	Correct	2 ms	4948 KB	Output is correct
28	Correct	2 ms	4948 KB	Output is correct
29	Correct	3 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	2 ms	4960 KB	Output is correct
32	Correct	2 ms	4948 KB	Output is correct
33	Correct	3 ms	4948 KB	Output is correct
34	Correct	3 ms	4948 KB	Output is correct
35	Correct	3 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	3 ms	4948 KB	Output is correct
39	Correct	93 ms	22848 KB	Output is correct
40	Correct	86 ms	22720 KB	Output is correct
41	Correct	51 ms	16584 KB	Output is correct
42	Correct	10 ms	7508 KB	Output is correct
43	Correct	3 ms	5000 KB	Output is correct
44	Correct	2 ms	4948 KB	Output is correct
45	Correct	2 ms	4948 KB	Output is correct
46	Correct	2 ms	4924 KB	Output is correct
47	Correct	3 ms	4948 KB	Output is correct
48	Correct	3 ms	4948 KB	Output is correct
49	Correct	2 ms	4948 KB	Output is correct
50	Correct	2 ms	4948 KB	Output is correct
51	Correct	2 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	3 ms	4948 KB	Output is correct
55	Correct	3 ms	4948 KB	Output is correct
56	Correct	3 ms	4948 KB	Output is correct
57	Correct	110 ms	16788 KB	Output is correct
58	Correct	116 ms	16632 KB	Output is correct
59	Correct	114 ms	16828 KB	Output is correct
60	Correct	105 ms	16624 KB	Output is correct
61	Correct	108 ms	16676 KB	Output is correct
62	Correct	106 ms	16588 KB	Output is correct
63	Correct	109 ms	16732 KB	Output is correct
64	Correct	87 ms	16712 KB	Output is correct
65	Correct	91 ms	16664 KB	Output is correct
66	Correct	106 ms	16704 KB	Output is correct
67	Correct	109 ms	16716 KB	Output is correct
68	Correct	130 ms	16748 KB	Output is correct
69	Correct	129 ms	16748 KB	Output is correct
70	Correct	132 ms	16708 KB	Output is correct
71	Correct	3 ms	4988 KB	Output is correct
72	Correct	4 ms	5332 KB	Output is correct
73	Correct	5 ms	5332 KB	Output is correct
74	Correct	5 ms	5360 KB	Output is correct
75	Correct	4 ms	5372 KB	Output is correct
76	Correct	4 ms	5332 KB	Output is correct
77	Correct	4 ms	5332 KB	Output is correct
78	Correct	4 ms	5332 KB	Output is correct
79	Correct	5 ms	5332 KB	Output is correct
80	Correct	116 ms	16704 KB	Output is correct
81	Correct	109 ms	16716 KB	Output is correct
82	Correct	113 ms	16632 KB	Output is correct
83	Correct	101 ms	16856 KB	Output is correct
84	Correct	3 ms	5204 KB	Output is correct
85	Correct	4 ms	5204 KB	Output is correct
86	Correct	4 ms	5204 KB	Output is correct
87	Correct	4 ms	5204 KB	Output is correct
88	Correct	4 ms	5332 KB	Output is correct
89	Correct	4 ms	5316 KB	Output is correct
90	Correct	4 ms	5204 KB	Output is correct
91	Correct	4 ms	5332 KB	Output is correct
92	Correct	4 ms	5332 KB	Output is correct
93	Correct	4 ms	5332 KB	Output is correct
94	Correct	2 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	3 ms	4948 KB	Output is correct
99	Correct	3 ms	4948 KB	Output is correct
100	Correct	3 ms	4948 KB	Output is correct
101	Correct	3 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	9 ms	6484 KB	Output is correct
105	Correct	18 ms	8916 KB	Output is correct
106	Correct	3 ms	4948 KB	Output is correct
107	Correct	35 ms	11604 KB	Output is correct
108	Correct	47 ms	14180 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	77 ms	17000 KB	Output is correct
111	Correct	94 ms	20036 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	143 ms	25112 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	344 ms	65536 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4924 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	2 ms	4948 KB	Output is correct
5	Correct	3 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	3 ms	5000 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	2 ms	4948 KB	Output is correct
13	Correct	2 ms	4948 KB	Output is correct
14	Correct	2 ms	4948 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	2 ms	4960 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 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	2 ms	4948 KB	Output is correct
25	Correct	3 ms	4948 KB	Output is correct
26	Correct	8 ms	5796 KB	Output is correct
27	Correct	22 ms	7764 KB	Output is correct
28	Correct	50 ms	9676 KB	Output is correct
29	Correct	7 ms	5716 KB	Output is correct
30	Correct	21 ms	7424 KB	Output is correct
31	Correct	43 ms	9036 KB	Output is correct
32	Correct	6 ms	5332 KB	Output is correct
33	Correct	18 ms	7124 KB	Output is correct
34	Correct	35 ms	8660 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	2 ms	4948 KB	Output is correct
40	Correct	3 ms	5204 KB	Output is correct
41	Correct	3 ms	5076 KB	Output is correct
42	Correct	3 ms	4948 KB	Output is correct
43	Correct	3 ms	4948 KB	Output is correct
44	Correct	2 ms	4948 KB	Output is correct
45	Correct	3 ms	4960 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	2 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	2 ms	4948 KB	Output is correct
54	Correct	4 ms	5588 KB	Output is correct
55	Correct	4 ms	5588 KB	Output is correct
56	Correct	156 ms	37836 KB	Output is correct
57	Runtime error	177 ms	65536 KB	Execution killed with signal 9
58	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	90 ms	22848 KB	Output is correct
2	Correct	85 ms	22800 KB	Output is correct
3	Correct	52 ms	16584 KB	Output is correct
4	Correct	10 ms	7508 KB	Output is correct
5	Correct	9 ms	6460 KB	Output is correct
6	Correct	17 ms	8904 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	35 ms	11604 KB	Output is correct
9	Correct	45 ms	14184 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	73 ms	17112 KB	Output is correct
12	Correct	92 ms	20064 KB	Output is correct
13	Correct	3 ms	5076 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	3 ms	4924 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	2 ms	4948 KB	Output is correct
18	Correct	3 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	3 ms	5000 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 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	2 ms	4948 KB	Output is correct
27	Correct	2 ms	4948 KB	Output is correct
28	Correct	2 ms	4948 KB	Output is correct
29	Correct	3 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	2 ms	4960 KB	Output is correct
32	Correct	2 ms	4948 KB	Output is correct
33	Correct	3 ms	4948 KB	Output is correct
34	Correct	3 ms	4948 KB	Output is correct
35	Correct	3 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	3 ms	4948 KB	Output is correct
39	Correct	93 ms	22848 KB	Output is correct
40	Correct	86 ms	22720 KB	Output is correct
41	Correct	51 ms	16584 KB	Output is correct
42	Correct	10 ms	7508 KB	Output is correct
43	Correct	3 ms	5000 KB	Output is correct
44	Correct	2 ms	4948 KB	Output is correct
45	Correct	2 ms	4948 KB	Output is correct
46	Correct	2 ms	4924 KB	Output is correct
47	Correct	3 ms	4948 KB	Output is correct
48	Correct	3 ms	4948 KB	Output is correct
49	Correct	2 ms	4948 KB	Output is correct
50	Correct	2 ms	4948 KB	Output is correct
51	Correct	2 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	3 ms	4948 KB	Output is correct
55	Correct	3 ms	4948 KB	Output is correct
56	Correct	3 ms	4948 KB	Output is correct
57	Correct	110 ms	16788 KB	Output is correct
58	Correct	116 ms	16632 KB	Output is correct
59	Correct	114 ms	16828 KB	Output is correct
60	Correct	105 ms	16624 KB	Output is correct
61	Correct	108 ms	16676 KB	Output is correct
62	Correct	106 ms	16588 KB	Output is correct
63	Correct	109 ms	16732 KB	Output is correct
64	Correct	87 ms	16712 KB	Output is correct
65	Correct	91 ms	16664 KB	Output is correct
66	Correct	106 ms	16704 KB	Output is correct
67	Correct	109 ms	16716 KB	Output is correct
68	Correct	130 ms	16748 KB	Output is correct
69	Correct	129 ms	16748 KB	Output is correct
70	Correct	132 ms	16708 KB	Output is correct
71	Correct	3 ms	4988 KB	Output is correct
72	Correct	4 ms	5332 KB	Output is correct
73	Correct	5 ms	5332 KB	Output is correct
74	Correct	5 ms	5360 KB	Output is correct
75	Correct	4 ms	5372 KB	Output is correct
76	Correct	4 ms	5332 KB	Output is correct
77	Correct	4 ms	5332 KB	Output is correct
78	Correct	4 ms	5332 KB	Output is correct
79	Correct	5 ms	5332 KB	Output is correct
80	Correct	116 ms	16704 KB	Output is correct
81	Correct	109 ms	16716 KB	Output is correct
82	Correct	113 ms	16632 KB	Output is correct
83	Correct	101 ms	16856 KB	Output is correct
84	Correct	3 ms	5204 KB	Output is correct
85	Correct	4 ms	5204 KB	Output is correct
86	Correct	4 ms	5204 KB	Output is correct
87	Correct	4 ms	5204 KB	Output is correct
88	Correct	4 ms	5332 KB	Output is correct
89	Correct	4 ms	5316 KB	Output is correct
90	Correct	4 ms	5204 KB	Output is correct
91	Correct	4 ms	5332 KB	Output is correct
92	Correct	4 ms	5332 KB	Output is correct
93	Correct	4 ms	5332 KB	Output is correct
94	Correct	2 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	3 ms	4948 KB	Output is correct
99	Correct	3 ms	4948 KB	Output is correct
100	Correct	3 ms	4948 KB	Output is correct
101	Correct	3 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	9 ms	6484 KB	Output is correct
105	Correct	18 ms	8916 KB	Output is correct
106	Correct	3 ms	4948 KB	Output is correct
107	Correct	35 ms	11604 KB	Output is correct
108	Correct	47 ms	14180 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	77 ms	17000 KB	Output is correct
111	Correct	94 ms	20036 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	143 ms	25112 KB	Output is correct
114	Runtime error	344 ms	65536 KB	Execution killed with signal 9
115	Halted	0 ms	0 KB	-

답안 #676931

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