답안 #108903

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
108903	2019-05-02T14:10:35 Z	Nodir_Bobiev	꿈 (IOI13_dreaming)	C++14	47 / 100	140 ms	17016 KB

dreaming

# include "dreaming.h"
# include <iostream>
# include <vector>
# include <algorithm>

using namespace std;

const int NN = 1e5 + 100;

vector < pair < int, long long > > gr[NN];
vector < pair < long long, long long > > rads;
long long dist1[NN], dist2[NN], dia, rad, u;
bool used[NN];

void dfs( int v, int f, int c )
{
	used[v] = true;
	for ( auto to: gr[v] ){
		if( to.first == f )
			continue;
		else{
			long long dst = 0;
			if( c == 1 ){
				dist1[to.first] = dist1[v] + to.second;
				dst = dist1[to.first];
			}
			else{
				dist2[to.first] = dist2[v] + to.second;
				dst = dist2[to.first];
			}
			if( dia < dst ){
				dia = dst;
				u = to.first;
			}
			dfs( to.first, v, c );
		}
	}
}

void jfs( int v, int f )
{
	rad = min( rad, max( dist1[v], dist2[v] ) );
	for ( auto to: gr[v] ){
		if( to.first == f )
			continue;
		else{
			jfs( to.first, v );
		}
	}
}

pair < long long, long long > get( int v )
{
	dia = 0; u = 0;
	dist1[v] = 0;
	dfs( v, -1, 1 );
	
	if( u == 0 )return {0, 0};
	
	v = u; dia = 0;
	
	dist1[v] = 0;
	dfs( v, -1, 1 );
	
	dist2[u] = 0;
	dfs( u, -1, 2 );
	
	rad = 1e18;
	jfs( v, -1 );
	return make_pair( rad, dia );	
}

int travelTime( int N, int M, int L, int A[], int B[], int T[] )
{
	for ( int i = 0; i < M; i ++ ){
		gr[A[i]].push_back( { B[i], T[i] } );
		gr[B[i]].push_back( { A[i], T[i] } );
	}
	
	for ( int i = 0; i < N; i ++ ){
		if( used[i] ) continue;
		
		rads.push_back( get( i ) );
	}
	
	sort( rads.begin(), rads.end() );
	
	long long MaxDiameter = 0;
	for ( auto rd: rads )
		MaxDiameter = max( MaxDiameter, rd.second );
	
	if( rads.size() == 1 )
		return rads.back().second;
	
	else if( rads.size() == 2 )
		return max( MaxDiameter, rads[0].first + rads[1].first + L);
	
	else 
		return max( MaxDiameter, max( rads[0].first + rads[1].first + L, rads[1].first + rads[2].first + L + L ) );
}
/*
int main()
{
	int n, m, l;
	cin >> n >> m >> l;
	int a[NN] = {}, b[NN] = {}, t[NN] = {};
	
	for ( int i = 0; i < m; i ++ ){
		cin >> a[i] >> b[i] >> t[i];
	}
	
	cout << travelTime( n, m, l, a, b, t );
}
*/

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	15472 KB	Output is correct
2	Correct	108 ms	15360 KB	Output is correct
3	Correct	44 ms	10872 KB	Output is correct
4	Correct	12 ms	4608 KB	Output is correct
5	Correct	10 ms	3840 KB	Output is correct
6	Correct	20 ms	5632 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	37 ms	7544 KB	Output is correct
9	Correct	43 ms	9212 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	70 ms	11384 KB	Output is correct
12	Correct	103 ms	13436 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	15472 KB	Output is correct
2	Correct	108 ms	15360 KB	Output is correct
3	Correct	44 ms	10872 KB	Output is correct
4	Correct	12 ms	4608 KB	Output is correct
5	Correct	10 ms	3840 KB	Output is correct
6	Correct	20 ms	5632 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	37 ms	7544 KB	Output is correct
9	Correct	43 ms	9212 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	70 ms	11384 KB	Output is correct
12	Correct	103 ms	13436 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2688 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	3 ms	2788 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	3 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	3 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	3 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	15472 KB	Output is correct
2	Correct	108 ms	15360 KB	Output is correct
3	Correct	44 ms	10872 KB	Output is correct
4	Correct	12 ms	4608 KB	Output is correct
5	Correct	10 ms	3840 KB	Output is correct
6	Correct	20 ms	5632 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	37 ms	7544 KB	Output is correct
9	Correct	43 ms	9212 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	70 ms	11384 KB	Output is correct
12	Correct	103 ms	13436 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2688 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	3 ms	2788 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	3 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	3 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	3 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	105 ms	15224 KB	Output is correct
40	Correct	89 ms	15312 KB	Output is correct
41	Correct	48 ms	11000 KB	Output is correct
42	Correct	12 ms	4608 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	4 ms	2688 KB	Output is correct
47	Correct	4 ms	2688 KB	Output is correct
48	Correct	11 ms	2688 KB	Output is correct
49	Correct	4 ms	2688 KB	Output is correct
50	Correct	5 ms	2816 KB	Output is correct
51	Correct	4 ms	2688 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2660 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	4 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	102 ms	11512 KB	Output is correct
58	Correct	96 ms	11512 KB	Output is correct
59	Correct	128 ms	11164 KB	Output is correct
60	Correct	110 ms	11264 KB	Output is correct
61	Correct	107 ms	11004 KB	Output is correct
62	Correct	94 ms	11000 KB	Output is correct
63	Correct	94 ms	10616 KB	Output is correct
64	Correct	92 ms	10620 KB	Output is correct
65	Correct	81 ms	10748 KB	Output is correct
66	Correct	91 ms	10616 KB	Output is correct
67	Correct	113 ms	11140 KB	Output is correct
68	Correct	104 ms	11128 KB	Output is correct
69	Correct	129 ms	11128 KB	Output is correct
70	Correct	140 ms	11132 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	6 ms	2944 KB	Output is correct
73	Correct	5 ms	2944 KB	Output is correct
74	Correct	5 ms	2944 KB	Output is correct
75	Correct	5 ms	2944 KB	Output is correct
76	Correct	6 ms	2988 KB	Output is correct
77	Correct	5 ms	2944 KB	Output is correct
78	Correct	5 ms	2944 KB	Output is correct
79	Correct	6 ms	2944 KB	Output is correct
80	Correct	125 ms	11264 KB	Output is correct
81	Correct	110 ms	11200 KB	Output is correct
82	Correct	118 ms	10964 KB	Output is correct
83	Correct	101 ms	10916 KB	Output is correct
84	Correct	5 ms	2944 KB	Output is correct
85	Correct	5 ms	2816 KB	Output is correct
86	Correct	5 ms	2944 KB	Output is correct
87	Correct	6 ms	2944 KB	Output is correct
88	Correct	5 ms	2944 KB	Output is correct
89	Correct	5 ms	2944 KB	Output is correct
90	Correct	5 ms	2944 KB	Output is correct
91	Correct	6 ms	2944 KB	Output is correct
92	Correct	5 ms	2944 KB	Output is correct
93	Correct	5 ms	2944 KB	Output is correct
94	Correct	4 ms	2660 KB	Output is correct
95	Correct	4 ms	2688 KB	Output is correct
96	Correct	4 ms	2688 KB	Output is correct
97	Correct	4 ms	2688 KB	Output is correct
98	Correct	4 ms	2688 KB	Output is correct
99	Correct	4 ms	2688 KB	Output is correct
100	Correct	4 ms	2688 KB	Output is correct
101	Correct	4 ms	2688 KB	Output is correct
102	Correct	4 ms	2688 KB	Output is correct
103	Correct	3 ms	2688 KB	Output is correct
104	Correct	11 ms	3840 KB	Output is correct
105	Correct	19 ms	5632 KB	Output is correct
106	Correct	4 ms	2816 KB	Output is correct
107	Correct	36 ms	7416 KB	Output is correct
108	Correct	55 ms	9336 KB	Output is correct
109	Correct	4 ms	2816 KB	Output is correct
110	Correct	69 ms	11336 KB	Output is correct
111	Correct	99 ms	13432 KB	Output is correct
112	Correct	4 ms	2944 KB	Output is correct
113	Correct	140 ms	17016 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	31 ms	7796 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	15472 KB	Output is correct
2	Correct	108 ms	15360 KB	Output is correct
3	Correct	44 ms	10872 KB	Output is correct
4	Correct	12 ms	4608 KB	Output is correct
5	Correct	10 ms	3840 KB	Output is correct
6	Correct	20 ms	5632 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	37 ms	7544 KB	Output is correct
9	Correct	43 ms	9212 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	70 ms	11384 KB	Output is correct
12	Correct	103 ms	13436 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2816 KB	Output is correct
15	Correct	5 ms	2816 KB	Output is correct
16	Correct	5 ms	3072 KB	Output is correct
17	Incorrect	4 ms	2816 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	15472 KB	Output is correct
2	Correct	108 ms	15360 KB	Output is correct
3	Correct	44 ms	10872 KB	Output is correct
4	Correct	12 ms	4608 KB	Output is correct
5	Correct	10 ms	3840 KB	Output is correct
6	Correct	20 ms	5632 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	37 ms	7544 KB	Output is correct
9	Correct	43 ms	9212 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	70 ms	11384 KB	Output is correct
12	Correct	103 ms	13436 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2688 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	3 ms	2788 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	3 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	3 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	3 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	105 ms	15224 KB	Output is correct
40	Correct	89 ms	15312 KB	Output is correct
41	Correct	48 ms	11000 KB	Output is correct
42	Correct	12 ms	4608 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	4 ms	2688 KB	Output is correct
47	Correct	4 ms	2688 KB	Output is correct
48	Correct	11 ms	2688 KB	Output is correct
49	Correct	4 ms	2688 KB	Output is correct
50	Correct	5 ms	2816 KB	Output is correct
51	Correct	4 ms	2688 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2660 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	4 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	102 ms	11512 KB	Output is correct
58	Correct	96 ms	11512 KB	Output is correct
59	Correct	128 ms	11164 KB	Output is correct
60	Correct	110 ms	11264 KB	Output is correct
61	Correct	107 ms	11004 KB	Output is correct
62	Correct	94 ms	11000 KB	Output is correct
63	Correct	94 ms	10616 KB	Output is correct
64	Correct	92 ms	10620 KB	Output is correct
65	Correct	81 ms	10748 KB	Output is correct
66	Correct	91 ms	10616 KB	Output is correct
67	Correct	113 ms	11140 KB	Output is correct
68	Correct	104 ms	11128 KB	Output is correct
69	Correct	129 ms	11128 KB	Output is correct
70	Correct	140 ms	11132 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	6 ms	2944 KB	Output is correct
73	Correct	5 ms	2944 KB	Output is correct
74	Correct	5 ms	2944 KB	Output is correct
75	Correct	5 ms	2944 KB	Output is correct
76	Correct	6 ms	2988 KB	Output is correct
77	Correct	5 ms	2944 KB	Output is correct
78	Correct	5 ms	2944 KB	Output is correct
79	Correct	6 ms	2944 KB	Output is correct
80	Correct	125 ms	11264 KB	Output is correct
81	Correct	110 ms	11200 KB	Output is correct
82	Correct	118 ms	10964 KB	Output is correct
83	Correct	101 ms	10916 KB	Output is correct
84	Correct	5 ms	2944 KB	Output is correct
85	Correct	5 ms	2816 KB	Output is correct
86	Correct	5 ms	2944 KB	Output is correct
87	Correct	6 ms	2944 KB	Output is correct
88	Correct	5 ms	2944 KB	Output is correct
89	Correct	5 ms	2944 KB	Output is correct
90	Correct	5 ms	2944 KB	Output is correct
91	Correct	6 ms	2944 KB	Output is correct
92	Correct	5 ms	2944 KB	Output is correct
93	Correct	5 ms	2944 KB	Output is correct
94	Correct	4 ms	2660 KB	Output is correct
95	Correct	4 ms	2688 KB	Output is correct
96	Correct	4 ms	2688 KB	Output is correct
97	Correct	4 ms	2688 KB	Output is correct
98	Correct	4 ms	2688 KB	Output is correct
99	Correct	4 ms	2688 KB	Output is correct
100	Correct	4 ms	2688 KB	Output is correct
101	Correct	4 ms	2688 KB	Output is correct
102	Correct	4 ms	2688 KB	Output is correct
103	Correct	3 ms	2688 KB	Output is correct
104	Correct	11 ms	3840 KB	Output is correct
105	Correct	19 ms	5632 KB	Output is correct
106	Correct	4 ms	2816 KB	Output is correct
107	Correct	36 ms	7416 KB	Output is correct
108	Correct	55 ms	9336 KB	Output is correct
109	Correct	4 ms	2816 KB	Output is correct
110	Correct	69 ms	11336 KB	Output is correct
111	Correct	99 ms	13432 KB	Output is correct
112	Correct	4 ms	2944 KB	Output is correct
113	Correct	140 ms	17016 KB	Output is correct
114	Incorrect	31 ms	7796 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #108903

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