#include <bits/stdc++.h>
#include "dreaming.h"
#define MAXN 100005
#define lp(i,a,b) for(int i = a ; i < b ; i++)
#define pb push_back
#define pii pair<int,int>
#define ff first
#define ss second
#define max3(a,b,c) max(max(a,b),c)
using namespace std;
//declarations
int N , M , L;
int radio1, radio2 ;
int d[MAXN] ;
int dd[4][MAXN] ;
vector<pii> adj[MAXN] ;
//utilities
void atribution(int x)
{lp(i,0,N) dd[x][i] = d[i] ;}
void ini(int x)
{ memset(d , -1 , sizeof d) ; d[x] = 0 ;}
void dfs(int x)
{
lp(i , 0 , adj[x].size() )
{
int v = adj[x][i].ff ;
if(d[v] != -1) continue ;
d[v] = d[x] + adj[x][i].ss ;
dfs(v) ;
}
}
int findMax()
{ return max_element(d , d+N) - d ; }
int findRadio(int x, int y, int diam)
{
lp(i,0,N)
{
if(dd[x][i] == -1) continue ;
int a = dd[x][i] , b = dd[y][i] ;
a = max(a,b) ;
diam = min(diam, a) ;
}
return diam ;
}
int travelTime( int n , int m , int l , int A[] , int B[] , int T[] )
{
N = n , M = m , L = l;
lp(i,0,M)
{
int a = A[i] , b = B[i] ;
adj[a].pb( pii(b, T[i]) ) ;
adj[b].pb( pii(a, T[i]) ) ;
}
ini(0) ; dfs(0) ;
int A1 = findMax() ;
ini(A1) , dfs(A1) ;
atribution(0) ;
int B1 = findMax() ;
ini(B1) , dfs(B1) ;
atribution(1) ;
int X ;
lp(i,0,N)
if(d[i] == -1) { X = i ; break ; }
ini(X) , dfs(X) ;
int A2 = findMax() ;
ini(A2) , dfs(A2) ;
atribution(2) ;
int B2 = findMax() ;
ini(B2) , dfs(B2) ;
atribution(3) ;
int d1 = dd[0][B1] ;
int d2 = dd[2][B2] ;
radio1 = findRadio(0,1 , d1) ;
radio2 = findRadio(2,3 , d2) ;
return max3(radio1 + radio2 + L , d1 , d2) ;
}
Compilation message
dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:5:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define lp(i,a,b) for(int i = a ; i < b ; i++)
dreaming.cpp:33:8:
lp(i , 0 , adj[x].size() )
~~~~~~~~~~~~~~~~~~~~~
dreaming.cpp:33:5: note: in expansion of macro 'lp'
lp(i , 0 , adj[x].size() )
^~
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:80:17: warning: 'X' may be used uninitialized in this function [-Wmaybe-uninitialized]
ini(X) , dfs(X) ;
~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
11256 KB |
Output is correct |
2 |
Correct |
67 ms |
11308 KB |
Output is correct |
3 |
Correct |
41 ms |
8440 KB |
Output is correct |
4 |
Correct |
12 ms |
4352 KB |
Output is correct |
5 |
Correct |
11 ms |
3868 KB |
Output is correct |
6 |
Correct |
19 ms |
4864 KB |
Output is correct |
7 |
Correct |
5 ms |
3200 KB |
Output is correct |
8 |
Correct |
35 ms |
6136 KB |
Output is correct |
9 |
Correct |
40 ms |
7288 KB |
Output is correct |
10 |
Correct |
5 ms |
3072 KB |
Output is correct |
11 |
Correct |
61 ms |
8696 KB |
Output is correct |
12 |
Correct |
81 ms |
9976 KB |
Output is correct |
13 |
Correct |
5 ms |
3200 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
11256 KB |
Output is correct |
2 |
Correct |
67 ms |
11308 KB |
Output is correct |
3 |
Correct |
41 ms |
8440 KB |
Output is correct |
4 |
Correct |
12 ms |
4352 KB |
Output is correct |
5 |
Correct |
11 ms |
3868 KB |
Output is correct |
6 |
Correct |
19 ms |
4864 KB |
Output is correct |
7 |
Correct |
5 ms |
3200 KB |
Output is correct |
8 |
Correct |
35 ms |
6136 KB |
Output is correct |
9 |
Correct |
40 ms |
7288 KB |
Output is correct |
10 |
Correct |
5 ms |
3072 KB |
Output is correct |
11 |
Correct |
61 ms |
8696 KB |
Output is correct |
12 |
Correct |
81 ms |
9976 KB |
Output is correct |
13 |
Correct |
5 ms |
3200 KB |
Output is correct |
14 |
Correct |
4 ms |
3072 KB |
Output is correct |
15 |
Correct |
4 ms |
3104 KB |
Output is correct |
16 |
Correct |
4 ms |
3072 KB |
Output is correct |
17 |
Correct |
4 ms |
3072 KB |
Output is correct |
18 |
Correct |
4 ms |
3072 KB |
Output is correct |
19 |
Correct |
4 ms |
3072 KB |
Output is correct |
20 |
Correct |
4 ms |
3072 KB |
Output is correct |
21 |
Correct |
4 ms |
3072 KB |
Output is correct |
22 |
Correct |
4 ms |
3072 KB |
Output is correct |
23 |
Correct |
4 ms |
3072 KB |
Output is correct |
24 |
Correct |
4 ms |
3072 KB |
Output is correct |
25 |
Correct |
4 ms |
3072 KB |
Output is correct |
26 |
Correct |
4 ms |
3072 KB |
Output is correct |
27 |
Correct |
4 ms |
3072 KB |
Output is correct |
28 |
Correct |
4 ms |
3072 KB |
Output is correct |
29 |
Correct |
4 ms |
3072 KB |
Output is correct |
30 |
Correct |
4 ms |
3072 KB |
Output is correct |
31 |
Correct |
4 ms |
3072 KB |
Output is correct |
32 |
Correct |
4 ms |
3072 KB |
Output is correct |
33 |
Correct |
4 ms |
3072 KB |
Output is correct |
34 |
Correct |
4 ms |
3072 KB |
Output is correct |
35 |
Correct |
5 ms |
3072 KB |
Output is correct |
36 |
Correct |
4 ms |
3072 KB |
Output is correct |
37 |
Correct |
4 ms |
3072 KB |
Output is correct |
38 |
Correct |
5 ms |
3072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
11256 KB |
Output is correct |
2 |
Correct |
67 ms |
11308 KB |
Output is correct |
3 |
Correct |
41 ms |
8440 KB |
Output is correct |
4 |
Correct |
12 ms |
4352 KB |
Output is correct |
5 |
Correct |
11 ms |
3868 KB |
Output is correct |
6 |
Correct |
19 ms |
4864 KB |
Output is correct |
7 |
Correct |
5 ms |
3200 KB |
Output is correct |
8 |
Correct |
35 ms |
6136 KB |
Output is correct |
9 |
Correct |
40 ms |
7288 KB |
Output is correct |
10 |
Correct |
5 ms |
3072 KB |
Output is correct |
11 |
Correct |
61 ms |
8696 KB |
Output is correct |
12 |
Correct |
81 ms |
9976 KB |
Output is correct |
13 |
Correct |
5 ms |
3200 KB |
Output is correct |
14 |
Correct |
4 ms |
3072 KB |
Output is correct |
15 |
Correct |
4 ms |
3104 KB |
Output is correct |
16 |
Correct |
4 ms |
3072 KB |
Output is correct |
17 |
Correct |
4 ms |
3072 KB |
Output is correct |
18 |
Correct |
4 ms |
3072 KB |
Output is correct |
19 |
Correct |
4 ms |
3072 KB |
Output is correct |
20 |
Correct |
4 ms |
3072 KB |
Output is correct |
21 |
Correct |
4 ms |
3072 KB |
Output is correct |
22 |
Correct |
4 ms |
3072 KB |
Output is correct |
23 |
Correct |
4 ms |
3072 KB |
Output is correct |
24 |
Correct |
4 ms |
3072 KB |
Output is correct |
25 |
Correct |
4 ms |
3072 KB |
Output is correct |
26 |
Correct |
4 ms |
3072 KB |
Output is correct |
27 |
Correct |
4 ms |
3072 KB |
Output is correct |
28 |
Correct |
4 ms |
3072 KB |
Output is correct |
29 |
Correct |
4 ms |
3072 KB |
Output is correct |
30 |
Correct |
4 ms |
3072 KB |
Output is correct |
31 |
Correct |
4 ms |
3072 KB |
Output is correct |
32 |
Correct |
4 ms |
3072 KB |
Output is correct |
33 |
Correct |
4 ms |
3072 KB |
Output is correct |
34 |
Correct |
4 ms |
3072 KB |
Output is correct |
35 |
Correct |
5 ms |
3072 KB |
Output is correct |
36 |
Correct |
4 ms |
3072 KB |
Output is correct |
37 |
Correct |
4 ms |
3072 KB |
Output is correct |
38 |
Correct |
5 ms |
3072 KB |
Output is correct |
39 |
Correct |
65 ms |
11420 KB |
Output is correct |
40 |
Correct |
84 ms |
11224 KB |
Output is correct |
41 |
Correct |
45 ms |
8476 KB |
Output is correct |
42 |
Correct |
12 ms |
4352 KB |
Output is correct |
43 |
Correct |
4 ms |
3072 KB |
Output is correct |
44 |
Correct |
4 ms |
3072 KB |
Output is correct |
45 |
Correct |
4 ms |
3072 KB |
Output is correct |
46 |
Correct |
4 ms |
3072 KB |
Output is correct |
47 |
Correct |
4 ms |
3072 KB |
Output is correct |
48 |
Correct |
4 ms |
3072 KB |
Output is correct |
49 |
Correct |
4 ms |
3072 KB |
Output is correct |
50 |
Correct |
4 ms |
3072 KB |
Output is correct |
51 |
Correct |
4 ms |
3072 KB |
Output is correct |
52 |
Correct |
4 ms |
3072 KB |
Output is correct |
53 |
Correct |
4 ms |
3072 KB |
Output is correct |
54 |
Correct |
4 ms |
3072 KB |
Output is correct |
55 |
Correct |
4 ms |
3072 KB |
Output is correct |
56 |
Correct |
4 ms |
3072 KB |
Output is correct |
57 |
Correct |
83 ms |
9848 KB |
Output is correct |
58 |
Correct |
91 ms |
9820 KB |
Output is correct |
59 |
Correct |
79 ms |
9724 KB |
Output is correct |
60 |
Correct |
75 ms |
9720 KB |
Output is correct |
61 |
Correct |
86 ms |
9784 KB |
Output is correct |
62 |
Correct |
82 ms |
9592 KB |
Output is correct |
63 |
Correct |
72 ms |
9592 KB |
Output is correct |
64 |
Correct |
176 ms |
9464 KB |
Output is correct |
65 |
Correct |
86 ms |
9468 KB |
Output is correct |
66 |
Correct |
76 ms |
9464 KB |
Output is correct |
67 |
Correct |
106 ms |
9720 KB |
Output is correct |
68 |
Correct |
96 ms |
9704 KB |
Output is correct |
69 |
Correct |
79 ms |
9724 KB |
Output is correct |
70 |
Correct |
81 ms |
9720 KB |
Output is correct |
71 |
Correct |
4 ms |
3072 KB |
Output is correct |
72 |
Correct |
6 ms |
3328 KB |
Output is correct |
73 |
Correct |
6 ms |
3300 KB |
Output is correct |
74 |
Correct |
5 ms |
3328 KB |
Output is correct |
75 |
Correct |
6 ms |
3328 KB |
Output is correct |
76 |
Correct |
6 ms |
3328 KB |
Output is correct |
77 |
Correct |
5 ms |
3328 KB |
Output is correct |
78 |
Correct |
6 ms |
3328 KB |
Output is correct |
79 |
Correct |
6 ms |
3328 KB |
Output is correct |
80 |
Correct |
97 ms |
9720 KB |
Output is correct |
81 |
Correct |
78 ms |
9720 KB |
Output is correct |
82 |
Correct |
75 ms |
9592 KB |
Output is correct |
83 |
Correct |
90 ms |
9720 KB |
Output is correct |
84 |
Correct |
5 ms |
3200 KB |
Output is correct |
85 |
Correct |
5 ms |
3200 KB |
Output is correct |
86 |
Correct |
6 ms |
3200 KB |
Output is correct |
87 |
Correct |
5 ms |
3200 KB |
Output is correct |
88 |
Correct |
5 ms |
3328 KB |
Output is correct |
89 |
Correct |
6 ms |
3200 KB |
Output is correct |
90 |
Correct |
6 ms |
3328 KB |
Output is correct |
91 |
Correct |
5 ms |
3328 KB |
Output is correct |
92 |
Correct |
6 ms |
3328 KB |
Output is correct |
93 |
Correct |
5 ms |
3200 KB |
Output is correct |
94 |
Correct |
4 ms |
3072 KB |
Output is correct |
95 |
Correct |
4 ms |
3072 KB |
Output is correct |
96 |
Correct |
4 ms |
3072 KB |
Output is correct |
97 |
Correct |
4 ms |
3072 KB |
Output is correct |
98 |
Correct |
4 ms |
3072 KB |
Output is correct |
99 |
Correct |
4 ms |
3072 KB |
Output is correct |
100 |
Correct |
5 ms |
3200 KB |
Output is correct |
101 |
Correct |
4 ms |
3072 KB |
Output is correct |
102 |
Correct |
4 ms |
3072 KB |
Output is correct |
103 |
Correct |
4 ms |
3072 KB |
Output is correct |
104 |
Correct |
10 ms |
3840 KB |
Output is correct |
105 |
Correct |
18 ms |
4864 KB |
Output is correct |
106 |
Correct |
4 ms |
3072 KB |
Output is correct |
107 |
Correct |
33 ms |
6136 KB |
Output is correct |
108 |
Correct |
45 ms |
7288 KB |
Output is correct |
109 |
Correct |
5 ms |
3108 KB |
Output is correct |
110 |
Correct |
59 ms |
8824 KB |
Output is correct |
111 |
Correct |
62 ms |
9976 KB |
Output is correct |
112 |
Correct |
4 ms |
3200 KB |
Output is correct |
113 |
Correct |
94 ms |
11996 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
6904 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
11256 KB |
Output is correct |
2 |
Correct |
67 ms |
11308 KB |
Output is correct |
3 |
Correct |
41 ms |
8440 KB |
Output is correct |
4 |
Correct |
12 ms |
4352 KB |
Output is correct |
5 |
Correct |
11 ms |
3868 KB |
Output is correct |
6 |
Correct |
19 ms |
4864 KB |
Output is correct |
7 |
Correct |
5 ms |
3200 KB |
Output is correct |
8 |
Correct |
35 ms |
6136 KB |
Output is correct |
9 |
Correct |
40 ms |
7288 KB |
Output is correct |
10 |
Correct |
5 ms |
3072 KB |
Output is correct |
11 |
Correct |
61 ms |
8696 KB |
Output is correct |
12 |
Correct |
81 ms |
9976 KB |
Output is correct |
13 |
Correct |
5 ms |
3200 KB |
Output is correct |
14 |
Incorrect |
4 ms |
3200 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
11256 KB |
Output is correct |
2 |
Correct |
67 ms |
11308 KB |
Output is correct |
3 |
Correct |
41 ms |
8440 KB |
Output is correct |
4 |
Correct |
12 ms |
4352 KB |
Output is correct |
5 |
Correct |
11 ms |
3868 KB |
Output is correct |
6 |
Correct |
19 ms |
4864 KB |
Output is correct |
7 |
Correct |
5 ms |
3200 KB |
Output is correct |
8 |
Correct |
35 ms |
6136 KB |
Output is correct |
9 |
Correct |
40 ms |
7288 KB |
Output is correct |
10 |
Correct |
5 ms |
3072 KB |
Output is correct |
11 |
Correct |
61 ms |
8696 KB |
Output is correct |
12 |
Correct |
81 ms |
9976 KB |
Output is correct |
13 |
Correct |
5 ms |
3200 KB |
Output is correct |
14 |
Correct |
4 ms |
3072 KB |
Output is correct |
15 |
Correct |
4 ms |
3104 KB |
Output is correct |
16 |
Correct |
4 ms |
3072 KB |
Output is correct |
17 |
Correct |
4 ms |
3072 KB |
Output is correct |
18 |
Correct |
4 ms |
3072 KB |
Output is correct |
19 |
Correct |
4 ms |
3072 KB |
Output is correct |
20 |
Correct |
4 ms |
3072 KB |
Output is correct |
21 |
Correct |
4 ms |
3072 KB |
Output is correct |
22 |
Correct |
4 ms |
3072 KB |
Output is correct |
23 |
Correct |
4 ms |
3072 KB |
Output is correct |
24 |
Correct |
4 ms |
3072 KB |
Output is correct |
25 |
Correct |
4 ms |
3072 KB |
Output is correct |
26 |
Correct |
4 ms |
3072 KB |
Output is correct |
27 |
Correct |
4 ms |
3072 KB |
Output is correct |
28 |
Correct |
4 ms |
3072 KB |
Output is correct |
29 |
Correct |
4 ms |
3072 KB |
Output is correct |
30 |
Correct |
4 ms |
3072 KB |
Output is correct |
31 |
Correct |
4 ms |
3072 KB |
Output is correct |
32 |
Correct |
4 ms |
3072 KB |
Output is correct |
33 |
Correct |
4 ms |
3072 KB |
Output is correct |
34 |
Correct |
4 ms |
3072 KB |
Output is correct |
35 |
Correct |
5 ms |
3072 KB |
Output is correct |
36 |
Correct |
4 ms |
3072 KB |
Output is correct |
37 |
Correct |
4 ms |
3072 KB |
Output is correct |
38 |
Correct |
5 ms |
3072 KB |
Output is correct |
39 |
Correct |
65 ms |
11420 KB |
Output is correct |
40 |
Correct |
84 ms |
11224 KB |
Output is correct |
41 |
Correct |
45 ms |
8476 KB |
Output is correct |
42 |
Correct |
12 ms |
4352 KB |
Output is correct |
43 |
Correct |
4 ms |
3072 KB |
Output is correct |
44 |
Correct |
4 ms |
3072 KB |
Output is correct |
45 |
Correct |
4 ms |
3072 KB |
Output is correct |
46 |
Correct |
4 ms |
3072 KB |
Output is correct |
47 |
Correct |
4 ms |
3072 KB |
Output is correct |
48 |
Correct |
4 ms |
3072 KB |
Output is correct |
49 |
Correct |
4 ms |
3072 KB |
Output is correct |
50 |
Correct |
4 ms |
3072 KB |
Output is correct |
51 |
Correct |
4 ms |
3072 KB |
Output is correct |
52 |
Correct |
4 ms |
3072 KB |
Output is correct |
53 |
Correct |
4 ms |
3072 KB |
Output is correct |
54 |
Correct |
4 ms |
3072 KB |
Output is correct |
55 |
Correct |
4 ms |
3072 KB |
Output is correct |
56 |
Correct |
4 ms |
3072 KB |
Output is correct |
57 |
Correct |
83 ms |
9848 KB |
Output is correct |
58 |
Correct |
91 ms |
9820 KB |
Output is correct |
59 |
Correct |
79 ms |
9724 KB |
Output is correct |
60 |
Correct |
75 ms |
9720 KB |
Output is correct |
61 |
Correct |
86 ms |
9784 KB |
Output is correct |
62 |
Correct |
82 ms |
9592 KB |
Output is correct |
63 |
Correct |
72 ms |
9592 KB |
Output is correct |
64 |
Correct |
176 ms |
9464 KB |
Output is correct |
65 |
Correct |
86 ms |
9468 KB |
Output is correct |
66 |
Correct |
76 ms |
9464 KB |
Output is correct |
67 |
Correct |
106 ms |
9720 KB |
Output is correct |
68 |
Correct |
96 ms |
9704 KB |
Output is correct |
69 |
Correct |
79 ms |
9724 KB |
Output is correct |
70 |
Correct |
81 ms |
9720 KB |
Output is correct |
71 |
Correct |
4 ms |
3072 KB |
Output is correct |
72 |
Correct |
6 ms |
3328 KB |
Output is correct |
73 |
Correct |
6 ms |
3300 KB |
Output is correct |
74 |
Correct |
5 ms |
3328 KB |
Output is correct |
75 |
Correct |
6 ms |
3328 KB |
Output is correct |
76 |
Correct |
6 ms |
3328 KB |
Output is correct |
77 |
Correct |
5 ms |
3328 KB |
Output is correct |
78 |
Correct |
6 ms |
3328 KB |
Output is correct |
79 |
Correct |
6 ms |
3328 KB |
Output is correct |
80 |
Correct |
97 ms |
9720 KB |
Output is correct |
81 |
Correct |
78 ms |
9720 KB |
Output is correct |
82 |
Correct |
75 ms |
9592 KB |
Output is correct |
83 |
Correct |
90 ms |
9720 KB |
Output is correct |
84 |
Correct |
5 ms |
3200 KB |
Output is correct |
85 |
Correct |
5 ms |
3200 KB |
Output is correct |
86 |
Correct |
6 ms |
3200 KB |
Output is correct |
87 |
Correct |
5 ms |
3200 KB |
Output is correct |
88 |
Correct |
5 ms |
3328 KB |
Output is correct |
89 |
Correct |
6 ms |
3200 KB |
Output is correct |
90 |
Correct |
6 ms |
3328 KB |
Output is correct |
91 |
Correct |
5 ms |
3328 KB |
Output is correct |
92 |
Correct |
6 ms |
3328 KB |
Output is correct |
93 |
Correct |
5 ms |
3200 KB |
Output is correct |
94 |
Correct |
4 ms |
3072 KB |
Output is correct |
95 |
Correct |
4 ms |
3072 KB |
Output is correct |
96 |
Correct |
4 ms |
3072 KB |
Output is correct |
97 |
Correct |
4 ms |
3072 KB |
Output is correct |
98 |
Correct |
4 ms |
3072 KB |
Output is correct |
99 |
Correct |
4 ms |
3072 KB |
Output is correct |
100 |
Correct |
5 ms |
3200 KB |
Output is correct |
101 |
Correct |
4 ms |
3072 KB |
Output is correct |
102 |
Correct |
4 ms |
3072 KB |
Output is correct |
103 |
Correct |
4 ms |
3072 KB |
Output is correct |
104 |
Correct |
10 ms |
3840 KB |
Output is correct |
105 |
Correct |
18 ms |
4864 KB |
Output is correct |
106 |
Correct |
4 ms |
3072 KB |
Output is correct |
107 |
Correct |
33 ms |
6136 KB |
Output is correct |
108 |
Correct |
45 ms |
7288 KB |
Output is correct |
109 |
Correct |
5 ms |
3108 KB |
Output is correct |
110 |
Correct |
59 ms |
8824 KB |
Output is correct |
111 |
Correct |
62 ms |
9976 KB |
Output is correct |
112 |
Correct |
4 ms |
3200 KB |
Output is correct |
113 |
Correct |
94 ms |
11996 KB |
Output is correct |
114 |
Incorrect |
27 ms |
6904 KB |
Output isn't correct |
115 |
Halted |
0 ms |
0 KB |
- |