답안 #676928

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676928	2023-01-01T16:17:57 Z	penguin133	꿈 (IOI13_dreaming)	C++17	47 / 100	409 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 = 1e18; 
			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 = 1e18;
	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	130 ms	24136 KB	Output is correct
2	Correct	117 ms	24008 KB	Output is correct
3	Correct	73 ms	17564 KB	Output is correct
4	Correct	14 ms	7764 KB	Output is correct
5	Correct	10 ms	6688 KB	Output is correct
6	Correct	18 ms	9248 KB	Output is correct
7	Correct	3 ms	5008 KB	Output is correct
8	Correct	36 ms	12180 KB	Output is correct
9	Correct	47 ms	14796 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	78 ms	18192 KB	Output is correct
12	Correct	93 ms	21188 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	4948 KB	Output is correct
3	Correct	2 ms	5008 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	5012 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	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	3 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	5008 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	5016 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	4 ms	5012 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	5016 KB	Output is correct
21	Correct	3 ms	5012 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 ms	5012 KB	Output is correct
24	Correct	3 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	130 ms	24136 KB	Output is correct
2	Correct	117 ms	24008 KB	Output is correct
3	Correct	73 ms	17564 KB	Output is correct
4	Correct	14 ms	7764 KB	Output is correct
5	Correct	10 ms	6688 KB	Output is correct
6	Correct	18 ms	9248 KB	Output is correct
7	Correct	3 ms	5008 KB	Output is correct
8	Correct	36 ms	12180 KB	Output is correct
9	Correct	47 ms	14796 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	78 ms	18192 KB	Output is correct
12	Correct	93 ms	21188 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	4948 KB	Output is correct
16	Correct	2 ms	5008 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5012 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	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	3 ms	4948 KB	Output is correct
26	Correct	3 ms	4948 KB	Output is correct
27	Correct	3 ms	5008 KB	Output is correct
28	Correct	3 ms	4948 KB	Output is correct
29	Correct	3 ms	5016 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	4 ms	5012 KB	Output is correct
32	Correct	3 ms	4948 KB	Output is correct
33	Correct	3 ms	5016 KB	Output is correct
34	Correct	3 ms	5012 KB	Output is correct
35	Correct	3 ms	4948 KB	Output is correct
36	Correct	3 ms	5012 KB	Output is correct
37	Correct	3 ms	4948 KB	Output is correct
38	Correct	3 ms	4948 KB	Output is correct
39	Correct	94 ms	24100 KB	Output is correct
40	Correct	88 ms	23952 KB	Output is correct
41	Correct	53 ms	17552 KB	Output is correct
42	Correct	10 ms	7764 KB	Output is correct
43	Correct	3 ms	5008 KB	Output is correct
44	Correct	3 ms	4956 KB	Output is correct
45	Correct	3 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	5012 KB	Output is correct
49	Correct	3 ms	4948 KB	Output is correct
50	Correct	3 ms	4948 KB	Output is correct
51	Correct	3 ms	5008 KB	Output is correct
52	Correct	4 ms	4916 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	5008 KB	Output is correct
56	Correct	3 ms	5012 KB	Output is correct
57	Correct	115 ms	18056 KB	Output is correct
58	Correct	119 ms	17976 KB	Output is correct
59	Correct	144 ms	18144 KB	Output is correct
60	Correct	115 ms	18052 KB	Output is correct
61	Correct	109 ms	18164 KB	Output is correct
62	Correct	131 ms	18200 KB	Output is correct
63	Correct	103 ms	18164 KB	Output is correct
64	Correct	97 ms	18096 KB	Output is correct
65	Correct	98 ms	18368 KB	Output is correct
66	Correct	115 ms	18344 KB	Output is correct
67	Correct	129 ms	18208 KB	Output is correct
68	Correct	109 ms	18112 KB	Output is correct
69	Correct	107 ms	18384 KB	Output is correct
70	Correct	152 ms	18252 KB	Output is correct
71	Correct	3 ms	5012 KB	Output is correct
72	Correct	6 ms	5420 KB	Output is correct
73	Correct	4 ms	5332 KB	Output is correct
74	Correct	5 ms	5316 KB	Output is correct
75	Correct	5 ms	5320 KB	Output is correct
76	Correct	5 ms	5332 KB	Output is correct
77	Correct	4 ms	5408 KB	Output is correct
78	Correct	5 ms	5408 KB	Output is correct
79	Correct	5 ms	5404 KB	Output is correct
80	Correct	145 ms	18108 KB	Output is correct
81	Correct	133 ms	17980 KB	Output is correct
82	Correct	104 ms	18232 KB	Output is correct
83	Correct	118 ms	18320 KB	Output is correct
84	Correct	5 ms	5332 KB	Output is correct
85	Correct	5 ms	5280 KB	Output is correct
86	Correct	5 ms	5332 KB	Output is correct
87	Correct	6 ms	5332 KB	Output is correct
88	Correct	4 ms	5332 KB	Output is correct
89	Correct	6 ms	5332 KB	Output is correct
90	Correct	4 ms	5332 KB	Output is correct
91	Correct	4 ms	5320 KB	Output is correct
92	Correct	4 ms	5332 KB	Output is correct
93	Correct	5 ms	5332 KB	Output is correct
94	Correct	4 ms	4948 KB	Output is correct
95	Correct	3 ms	4948 KB	Output is correct
96	Correct	4 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	5004 KB	Output is correct
103	Correct	3 ms	5012 KB	Output is correct
104	Correct	9 ms	6612 KB	Output is correct
105	Correct	18 ms	9292 KB	Output is correct
106	Correct	3 ms	5008 KB	Output is correct
107	Correct	35 ms	12108 KB	Output is correct
108	Correct	48 ms	14872 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	99 ms	18248 KB	Output is correct
111	Correct	100 ms	21144 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	179 ms	26684 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	409 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	4948 KB	Output is correct
3	Correct	2 ms	5008 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	5012 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	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	3 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	5008 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	5016 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	4 ms	5012 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	5016 KB	Output is correct
21	Correct	3 ms	5012 KB	Output is correct
22	Correct	3 ms	4948 KB	Output is correct
23	Correct	3 ms	5012 KB	Output is correct
24	Correct	3 ms	4948 KB	Output is correct
25	Correct	3 ms	4948 KB	Output is correct
26	Correct	8 ms	5716 KB	Output is correct
27	Correct	24 ms	7800 KB	Output is correct
28	Correct	50 ms	9796 KB	Output is correct
29	Correct	7 ms	5716 KB	Output is correct
30	Correct	20 ms	7508 KB	Output is correct
31	Correct	45 ms	9132 KB	Output is correct
32	Correct	6 ms	5404 KB	Output is correct
33	Correct	17 ms	7076 KB	Output is correct
34	Correct	44 ms	8664 KB	Output is correct
35	Correct	3 ms	4948 KB	Output is correct
36	Correct	3 ms	5040 KB	Output is correct
37	Correct	3 ms	4948 KB	Output is correct
38	Correct	3 ms	5008 KB	Output is correct
39	Correct	3 ms	5008 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	3 ms	4948 KB	Output is correct
45	Correct	3 ms	4948 KB	Output is correct
46	Correct	3 ms	5008 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	4984 KB	Output is correct
50	Correct	3 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	5012 KB	Output is correct
54	Correct	4 ms	5588 KB	Output is correct
55	Correct	4 ms	5588 KB	Output is correct
56	Correct	166 ms	37928 KB	Output is correct
57	Runtime error	178 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	130 ms	24136 KB	Output is correct
2	Correct	117 ms	24008 KB	Output is correct
3	Correct	73 ms	17564 KB	Output is correct
4	Correct	14 ms	7764 KB	Output is correct
5	Correct	10 ms	6688 KB	Output is correct
6	Correct	18 ms	9248 KB	Output is correct
7	Correct	3 ms	5008 KB	Output is correct
8	Correct	36 ms	12180 KB	Output is correct
9	Correct	47 ms	14796 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	78 ms	18192 KB	Output is correct
12	Correct	93 ms	21188 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	4948 KB	Output is correct
16	Correct	2 ms	5008 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5012 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	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	3 ms	4948 KB	Output is correct
26	Correct	3 ms	4948 KB	Output is correct
27	Correct	3 ms	5008 KB	Output is correct
28	Correct	3 ms	4948 KB	Output is correct
29	Correct	3 ms	5016 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	4 ms	5012 KB	Output is correct
32	Correct	3 ms	4948 KB	Output is correct
33	Correct	3 ms	5016 KB	Output is correct
34	Correct	3 ms	5012 KB	Output is correct
35	Correct	3 ms	4948 KB	Output is correct
36	Correct	3 ms	5012 KB	Output is correct
37	Correct	3 ms	4948 KB	Output is correct
38	Correct	3 ms	4948 KB	Output is correct
39	Correct	94 ms	24100 KB	Output is correct
40	Correct	88 ms	23952 KB	Output is correct
41	Correct	53 ms	17552 KB	Output is correct
42	Correct	10 ms	7764 KB	Output is correct
43	Correct	3 ms	5008 KB	Output is correct
44	Correct	3 ms	4956 KB	Output is correct
45	Correct	3 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	5012 KB	Output is correct
49	Correct	3 ms	4948 KB	Output is correct
50	Correct	3 ms	4948 KB	Output is correct
51	Correct	3 ms	5008 KB	Output is correct
52	Correct	4 ms	4916 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	5008 KB	Output is correct
56	Correct	3 ms	5012 KB	Output is correct
57	Correct	115 ms	18056 KB	Output is correct
58	Correct	119 ms	17976 KB	Output is correct
59	Correct	144 ms	18144 KB	Output is correct
60	Correct	115 ms	18052 KB	Output is correct
61	Correct	109 ms	18164 KB	Output is correct
62	Correct	131 ms	18200 KB	Output is correct
63	Correct	103 ms	18164 KB	Output is correct
64	Correct	97 ms	18096 KB	Output is correct
65	Correct	98 ms	18368 KB	Output is correct
66	Correct	115 ms	18344 KB	Output is correct
67	Correct	129 ms	18208 KB	Output is correct
68	Correct	109 ms	18112 KB	Output is correct
69	Correct	107 ms	18384 KB	Output is correct
70	Correct	152 ms	18252 KB	Output is correct
71	Correct	3 ms	5012 KB	Output is correct
72	Correct	6 ms	5420 KB	Output is correct
73	Correct	4 ms	5332 KB	Output is correct
74	Correct	5 ms	5316 KB	Output is correct
75	Correct	5 ms	5320 KB	Output is correct
76	Correct	5 ms	5332 KB	Output is correct
77	Correct	4 ms	5408 KB	Output is correct
78	Correct	5 ms	5408 KB	Output is correct
79	Correct	5 ms	5404 KB	Output is correct
80	Correct	145 ms	18108 KB	Output is correct
81	Correct	133 ms	17980 KB	Output is correct
82	Correct	104 ms	18232 KB	Output is correct
83	Correct	118 ms	18320 KB	Output is correct
84	Correct	5 ms	5332 KB	Output is correct
85	Correct	5 ms	5280 KB	Output is correct
86	Correct	5 ms	5332 KB	Output is correct
87	Correct	6 ms	5332 KB	Output is correct
88	Correct	4 ms	5332 KB	Output is correct
89	Correct	6 ms	5332 KB	Output is correct
90	Correct	4 ms	5332 KB	Output is correct
91	Correct	4 ms	5320 KB	Output is correct
92	Correct	4 ms	5332 KB	Output is correct
93	Correct	5 ms	5332 KB	Output is correct
94	Correct	4 ms	4948 KB	Output is correct
95	Correct	3 ms	4948 KB	Output is correct
96	Correct	4 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	5004 KB	Output is correct
103	Correct	3 ms	5012 KB	Output is correct
104	Correct	9 ms	6612 KB	Output is correct
105	Correct	18 ms	9292 KB	Output is correct
106	Correct	3 ms	5008 KB	Output is correct
107	Correct	35 ms	12108 KB	Output is correct
108	Correct	48 ms	14872 KB	Output is correct
109	Correct	3 ms	5076 KB	Output is correct
110	Correct	99 ms	18248 KB	Output is correct
111	Correct	100 ms	21144 KB	Output is correct
112	Correct	3 ms	5076 KB	Output is correct
113	Correct	179 ms	26684 KB	Output is correct
114	Runtime error	409 ms	65536 KB	Execution killed with signal 9
115	Halted	0 ms	0 KB	-

답안 #676928

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