Submission #108903

# Submission time Handle Problem Language Result Execution time Memory
108903 2019-05-02T14:10:35 Z Nodir_Bobiev Dreaming (IOI13_dreaming) C++14
47 / 100
140 ms 17016 KB
# 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 );
}
*/
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 7796 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory 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 -
# Verdict Execution time Memory 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 -