답안 #676934

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676934	2023-01-01T16:27:55 Z	penguin133	꿈 (IOI13_dreaming)	C++17	47 / 100	367 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] : 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;
			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<(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

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	18720 KB	Output is correct
2	Correct	66 ms	18732 KB	Output is correct
3	Correct	40 ms	14076 KB	Output is correct
4	Correct	10 ms	7124 KB	Output is correct
5	Correct	13 ms	6228 KB	Output is correct
6	Correct	17 ms	8276 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	30 ms	10036 KB	Output is correct
9	Correct	72 ms	12092 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	69 ms	14052 KB	Output is correct
12	Correct	90 ms	16540 KB	Output is correct
13	Correct	4 ms	5076 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5012 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4960 KB	Output is correct
6	Correct	3 ms	5012 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	5012 KB	Output is correct
9	Correct	4 ms	5008 KB	Output is correct
10	Correct	3 ms	5008 KB	Output is correct
11	Correct	4 ms	4984 KB	Output is correct
12	Correct	3 ms	5012 KB	Output is correct
13	Correct	3 ms	5012 KB	Output is correct
14	Correct	4 ms	5012 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	4 ms	5008 KB	Output is correct
19	Correct	3 ms	4952 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	5008 KB	Output is correct
23	Correct	3 ms	4948 KB	Output is correct
24	Correct	3 ms	4956 KB	Output is correct
25	Correct	3 ms	5012 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	18720 KB	Output is correct
2	Correct	66 ms	18732 KB	Output is correct
3	Correct	40 ms	14076 KB	Output is correct
4	Correct	10 ms	7124 KB	Output is correct
5	Correct	13 ms	6228 KB	Output is correct
6	Correct	17 ms	8276 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	30 ms	10036 KB	Output is correct
9	Correct	72 ms	12092 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	69 ms	14052 KB	Output is correct
12	Correct	90 ms	16540 KB	Output is correct
13	Correct	4 ms	5076 KB	Output is correct
14	Correct	3 ms	5012 KB	Output is correct
15	Correct	3 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	3 ms	4960 KB	Output is correct
19	Correct	3 ms	5012 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5012 KB	Output is correct
22	Correct	4 ms	5008 KB	Output is correct
23	Correct	3 ms	5008 KB	Output is correct
24	Correct	4 ms	4984 KB	Output is correct
25	Correct	3 ms	5012 KB	Output is correct
26	Correct	3 ms	5012 KB	Output is correct
27	Correct	4 ms	5012 KB	Output is correct
28	Correct	3 ms	4948 KB	Output is correct
29	Correct	4 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	4 ms	5008 KB	Output is correct
32	Correct	3 ms	4952 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	5008 KB	Output is correct
36	Correct	3 ms	4948 KB	Output is correct
37	Correct	3 ms	4956 KB	Output is correct
38	Correct	3 ms	5012 KB	Output is correct
39	Correct	66 ms	18816 KB	Output is correct
40	Correct	61 ms	18760 KB	Output is correct
41	Correct	41 ms	14136 KB	Output is correct
42	Correct	10 ms	7080 KB	Output is correct
43	Correct	3 ms	4948 KB	Output is correct
44	Correct	3 ms	4964 KB	Output is correct
45	Correct	3 ms	4948 KB	Output is correct
46	Correct	4 ms	5012 KB	Output is correct
47	Correct	3 ms	5008 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	5012 KB	Output is correct
51	Correct	3 ms	4992 KB	Output is correct
52	Correct	3 ms	5020 KB	Output is correct
53	Correct	3 ms	4948 KB	Output is correct
54	Correct	3 ms	5008 KB	Output is correct
55	Correct	3 ms	5008 KB	Output is correct
56	Correct	3 ms	4960 KB	Output is correct
57	Correct	145 ms	13192 KB	Output is correct
58	Correct	111 ms	12840 KB	Output is correct
59	Correct	111 ms	12824 KB	Output is correct
60	Correct	124 ms	12680 KB	Output is correct
61	Correct	106 ms	12740 KB	Output is correct
62	Correct	107 ms	12444 KB	Output is correct
63	Correct	104 ms	12480 KB	Output is correct
64	Correct	84 ms	12372 KB	Output is correct
65	Correct	88 ms	12400 KB	Output is correct
66	Correct	112 ms	12384 KB	Output is correct
67	Correct	106 ms	12852 KB	Output is correct
68	Correct	108 ms	12924 KB	Output is correct
69	Correct	172 ms	12716 KB	Output is correct
70	Correct	138 ms	12628 KB	Output is correct
71	Correct	3 ms	4948 KB	Output is correct
72	Correct	6 ms	5192 KB	Output is correct
73	Correct	4 ms	5292 KB	Output is correct
74	Correct	6 ms	5280 KB	Output is correct
75	Correct	5 ms	5204 KB	Output is correct
76	Correct	4 ms	5204 KB	Output is correct
77	Correct	5 ms	5316 KB	Output is correct
78	Correct	6 ms	5264 KB	Output is correct
79	Correct	4 ms	5272 KB	Output is correct
80	Correct	113 ms	12824 KB	Output is correct
81	Correct	101 ms	12924 KB	Output is correct
82	Correct	167 ms	12752 KB	Output is correct
83	Correct	112 ms	12748 KB	Output is correct
84	Correct	4 ms	5212 KB	Output is correct
85	Correct	4 ms	5216 KB	Output is correct
86	Correct	5 ms	5164 KB	Output is correct
87	Correct	7 ms	5216 KB	Output is correct
88	Correct	5 ms	5176 KB	Output is correct
89	Correct	5 ms	5152 KB	Output is correct
90	Correct	5 ms	5204 KB	Output is correct
91	Correct	4 ms	5204 KB	Output is correct
92	Correct	4 ms	5192 KB	Output is correct
93	Correct	5 ms	5148 KB	Output is correct
94	Correct	3 ms	4948 KB	Output is correct
95	Correct	3 ms	5016 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	10 ms	6228 KB	Output is correct
105	Correct	25 ms	8196 KB	Output is correct
106	Correct	5 ms	4972 KB	Output is correct
107	Correct	55 ms	10084 KB	Output is correct
108	Correct	58 ms	12088 KB	Output is correct
109	Correct	4 ms	5076 KB	Output is correct
110	Correct	74 ms	13964 KB	Output is correct
111	Correct	92 ms	16576 KB	Output is correct
112	Correct	3 ms	5148 KB	Output is correct
113	Correct	202 ms	20620 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	367 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	5012 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4960 KB	Output is correct
6	Correct	3 ms	5012 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	5012 KB	Output is correct
9	Correct	4 ms	5008 KB	Output is correct
10	Correct	3 ms	5008 KB	Output is correct
11	Correct	4 ms	4984 KB	Output is correct
12	Correct	3 ms	5012 KB	Output is correct
13	Correct	3 ms	5012 KB	Output is correct
14	Correct	4 ms	5012 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	4 ms	5008 KB	Output is correct
19	Correct	3 ms	4952 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	5008 KB	Output is correct
23	Correct	3 ms	4948 KB	Output is correct
24	Correct	3 ms	4956 KB	Output is correct
25	Correct	3 ms	5012 KB	Output is correct
26	Correct	7 ms	5728 KB	Output is correct
27	Correct	32 ms	7732 KB	Output is correct
28	Correct	47 ms	9116 KB	Output is correct
29	Correct	6 ms	5716 KB	Output is correct
30	Correct	17 ms	7500 KB	Output is correct
31	Correct	37 ms	8644 KB	Output is correct
32	Correct	6 ms	5332 KB	Output is correct
33	Correct	17 ms	7228 KB	Output is correct
34	Correct	29 ms	8252 KB	Output is correct
35	Correct	3 ms	5012 KB	Output is correct
36	Correct	3 ms	5016 KB	Output is correct
37	Correct	4 ms	5024 KB	Output is correct
38	Correct	3 ms	5024 KB	Output is correct
39	Correct	3 ms	4960 KB	Output is correct
40	Correct	3 ms	5216 KB	Output is correct
41	Correct	3 ms	5136 KB	Output is correct
42	Correct	3 ms	5008 KB	Output is correct
43	Correct	3 ms	5012 KB	Output is correct
44	Correct	5 ms	4948 KB	Output is correct
45	Correct	4 ms	5008 KB	Output is correct
46	Correct	3 ms	4948 KB	Output is correct
47	Correct	3 ms	4948 KB	Output is correct
48	Correct	4 ms	4960 KB	Output is correct
49	Correct	3 ms	5012 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	4920 KB	Output is correct
54	Correct	6 ms	5460 KB	Output is correct
55	Correct	5 ms	5460 KB	Output is correct
56	Correct	155 ms	37852 KB	Output is correct
57	Runtime error	188 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	66 ms	18720 KB	Output is correct
2	Correct	66 ms	18732 KB	Output is correct
3	Correct	40 ms	14076 KB	Output is correct
4	Correct	10 ms	7124 KB	Output is correct
5	Correct	13 ms	6228 KB	Output is correct
6	Correct	17 ms	8276 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	30 ms	10036 KB	Output is correct
9	Correct	72 ms	12092 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	69 ms	14052 KB	Output is correct
12	Correct	90 ms	16540 KB	Output is correct
13	Correct	4 ms	5076 KB	Output is correct
14	Correct	3 ms	5012 KB	Output is correct
15	Correct	3 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	3 ms	4960 KB	Output is correct
19	Correct	3 ms	5012 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5012 KB	Output is correct
22	Correct	4 ms	5008 KB	Output is correct
23	Correct	3 ms	5008 KB	Output is correct
24	Correct	4 ms	4984 KB	Output is correct
25	Correct	3 ms	5012 KB	Output is correct
26	Correct	3 ms	5012 KB	Output is correct
27	Correct	4 ms	5012 KB	Output is correct
28	Correct	3 ms	4948 KB	Output is correct
29	Correct	4 ms	4948 KB	Output is correct
30	Correct	3 ms	4948 KB	Output is correct
31	Correct	4 ms	5008 KB	Output is correct
32	Correct	3 ms	4952 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	5008 KB	Output is correct
36	Correct	3 ms	4948 KB	Output is correct
37	Correct	3 ms	4956 KB	Output is correct
38	Correct	3 ms	5012 KB	Output is correct
39	Correct	66 ms	18816 KB	Output is correct
40	Correct	61 ms	18760 KB	Output is correct
41	Correct	41 ms	14136 KB	Output is correct
42	Correct	10 ms	7080 KB	Output is correct
43	Correct	3 ms	4948 KB	Output is correct
44	Correct	3 ms	4964 KB	Output is correct
45	Correct	3 ms	4948 KB	Output is correct
46	Correct	4 ms	5012 KB	Output is correct
47	Correct	3 ms	5008 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	5012 KB	Output is correct
51	Correct	3 ms	4992 KB	Output is correct
52	Correct	3 ms	5020 KB	Output is correct
53	Correct	3 ms	4948 KB	Output is correct
54	Correct	3 ms	5008 KB	Output is correct
55	Correct	3 ms	5008 KB	Output is correct
56	Correct	3 ms	4960 KB	Output is correct
57	Correct	145 ms	13192 KB	Output is correct
58	Correct	111 ms	12840 KB	Output is correct
59	Correct	111 ms	12824 KB	Output is correct
60	Correct	124 ms	12680 KB	Output is correct
61	Correct	106 ms	12740 KB	Output is correct
62	Correct	107 ms	12444 KB	Output is correct
63	Correct	104 ms	12480 KB	Output is correct
64	Correct	84 ms	12372 KB	Output is correct
65	Correct	88 ms	12400 KB	Output is correct
66	Correct	112 ms	12384 KB	Output is correct
67	Correct	106 ms	12852 KB	Output is correct
68	Correct	108 ms	12924 KB	Output is correct
69	Correct	172 ms	12716 KB	Output is correct
70	Correct	138 ms	12628 KB	Output is correct
71	Correct	3 ms	4948 KB	Output is correct
72	Correct	6 ms	5192 KB	Output is correct
73	Correct	4 ms	5292 KB	Output is correct
74	Correct	6 ms	5280 KB	Output is correct
75	Correct	5 ms	5204 KB	Output is correct
76	Correct	4 ms	5204 KB	Output is correct
77	Correct	5 ms	5316 KB	Output is correct
78	Correct	6 ms	5264 KB	Output is correct
79	Correct	4 ms	5272 KB	Output is correct
80	Correct	113 ms	12824 KB	Output is correct
81	Correct	101 ms	12924 KB	Output is correct
82	Correct	167 ms	12752 KB	Output is correct
83	Correct	112 ms	12748 KB	Output is correct
84	Correct	4 ms	5212 KB	Output is correct
85	Correct	4 ms	5216 KB	Output is correct
86	Correct	5 ms	5164 KB	Output is correct
87	Correct	7 ms	5216 KB	Output is correct
88	Correct	5 ms	5176 KB	Output is correct
89	Correct	5 ms	5152 KB	Output is correct
90	Correct	5 ms	5204 KB	Output is correct
91	Correct	4 ms	5204 KB	Output is correct
92	Correct	4 ms	5192 KB	Output is correct
93	Correct	5 ms	5148 KB	Output is correct
94	Correct	3 ms	4948 KB	Output is correct
95	Correct	3 ms	5016 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	10 ms	6228 KB	Output is correct
105	Correct	25 ms	8196 KB	Output is correct
106	Correct	5 ms	4972 KB	Output is correct
107	Correct	55 ms	10084 KB	Output is correct
108	Correct	58 ms	12088 KB	Output is correct
109	Correct	4 ms	5076 KB	Output is correct
110	Correct	74 ms	13964 KB	Output is correct
111	Correct	92 ms	16576 KB	Output is correct
112	Correct	3 ms	5148 KB	Output is correct
113	Correct	202 ms	20620 KB	Output is correct
114	Runtime error	367 ms	65536 KB	Execution killed with signal 9
115	Halted	0 ms	0 KB	-

답안 #676934

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