#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
#define INIT ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll
vector<pii> g[100010];
int dp[100010][2];
pii dir[100010][2];
bool v[100010];
int h[100010], c;
int d[100010];
int dfs(int s){
v[s]=true;
for(pii e:g[s]){
int l=e.sc, u=e.ft;
if(!v[u]){
dfs(u);
if( (dp[u][0]+l)>dp[s][0]){
dp[s][1]=dp[s][0];
dp[s][0]=dp[u][0]+l;
dir[s][1]=dir[s][0];
dir[s][0]={u, l};
}
else{
if( (dp[u][0]+l)>dp[s][1] ){
dp[s][1]=dp[u][0]+l;
dir[s][1]={u, l};
}
}
}
}
return dp[s][0];
}
int dfs2(int s, int up){
int ac=dp[s][0];
if(ac<=max(up, dp[s][1]) ){
return ac;
}
int l=dir[s][0].sc;
int r=dfs2(dir[s][0].ft, max(up+l, dp[s][1]+l) );
if( ( max(r , max(up+l, dp[s][1]+l) )<max(up, dp[s][0]) ) ){
return max(r, max(up+l, dp[s][1]+l));
}
else{
return max(up, dp[s][0]);
}
}
bool v2[100010];
pii diam(int s){
v2[s]=true;
pii r={0, s};
for(pii e:g[s]){
int u=e.ft, l=e.sc;
if(!v2[u]){
pii p=diam(u); p.ft+=l;
if(p.ft>=r.ft){
r=p;
}
}
}
v2[s]=false;
return r;
}
int32_t travelTime(int32_t n, int32_t m, int32_t l, int32_t a[], int32_t b[], int32_t t[]){
for(int i=0;i<m; i++){
int u=a[i], v=b[i];
g[u].pb({v, t[i]}); g[v].pb({u, t[i]});
}
int res=0;
for(int i=0; i<n; i++){
if(!v[i]){
c++;
dfs(i);
int r=dfs2(i, dp[i][1]);
pii p=diam(i);
p=diam(p.sc);
d[c]=p.ft;
h[c]=r;
res=max(res, d[c]);
}
}
sort(h+1, h+1+c);
int cr=h[c]+l;
for(int i=c-1; i>=1; i--){
res=max(res, h[i]+cr);
cr+=l;
}
return res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
19692 KB |
Output is correct |
2 |
Correct |
74 ms |
19652 KB |
Output is correct |
3 |
Correct |
55 ms |
13932 KB |
Output is correct |
4 |
Correct |
11 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
4332 KB |
Output is correct |
6 |
Correct |
16 ms |
6636 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
39 ms |
9192 KB |
Output is correct |
9 |
Correct |
56 ms |
12012 KB |
Output is correct |
10 |
Correct |
2 ms |
2796 KB |
Output is correct |
11 |
Correct |
81 ms |
14316 KB |
Output is correct |
12 |
Correct |
89 ms |
17132 KB |
Output is correct |
13 |
Correct |
3 ms |
2924 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
19692 KB |
Output is correct |
2 |
Correct |
74 ms |
19652 KB |
Output is correct |
3 |
Correct |
55 ms |
13932 KB |
Output is correct |
4 |
Correct |
11 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
4332 KB |
Output is correct |
6 |
Correct |
16 ms |
6636 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
39 ms |
9192 KB |
Output is correct |
9 |
Correct |
56 ms |
12012 KB |
Output is correct |
10 |
Correct |
2 ms |
2796 KB |
Output is correct |
11 |
Correct |
81 ms |
14316 KB |
Output is correct |
12 |
Correct |
89 ms |
17132 KB |
Output is correct |
13 |
Correct |
3 ms |
2924 KB |
Output is correct |
14 |
Correct |
2 ms |
2676 KB |
Output is correct |
15 |
Correct |
2 ms |
2668 KB |
Output is correct |
16 |
Correct |
2 ms |
2668 KB |
Output is correct |
17 |
Correct |
2 ms |
2668 KB |
Output is correct |
18 |
Correct |
2 ms |
2668 KB |
Output is correct |
19 |
Correct |
2 ms |
2668 KB |
Output is correct |
20 |
Correct |
2 ms |
2668 KB |
Output is correct |
21 |
Correct |
2 ms |
2668 KB |
Output is correct |
22 |
Correct |
2 ms |
2668 KB |
Output is correct |
23 |
Correct |
2 ms |
2668 KB |
Output is correct |
24 |
Correct |
2 ms |
2668 KB |
Output is correct |
25 |
Correct |
4 ms |
2668 KB |
Output is correct |
26 |
Correct |
2 ms |
2668 KB |
Output is correct |
27 |
Correct |
2 ms |
2668 KB |
Output is correct |
28 |
Correct |
2 ms |
2668 KB |
Output is correct |
29 |
Correct |
3 ms |
2668 KB |
Output is correct |
30 |
Correct |
2 ms |
2668 KB |
Output is correct |
31 |
Correct |
2 ms |
2668 KB |
Output is correct |
32 |
Correct |
2 ms |
2668 KB |
Output is correct |
33 |
Correct |
2 ms |
2668 KB |
Output is correct |
34 |
Correct |
2 ms |
2688 KB |
Output is correct |
35 |
Correct |
2 ms |
2668 KB |
Output is correct |
36 |
Correct |
2 ms |
2668 KB |
Output is correct |
37 |
Correct |
2 ms |
2668 KB |
Output is correct |
38 |
Correct |
2 ms |
2668 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
19692 KB |
Output is correct |
2 |
Correct |
74 ms |
19652 KB |
Output is correct |
3 |
Correct |
55 ms |
13932 KB |
Output is correct |
4 |
Correct |
11 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
4332 KB |
Output is correct |
6 |
Correct |
16 ms |
6636 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
39 ms |
9192 KB |
Output is correct |
9 |
Correct |
56 ms |
12012 KB |
Output is correct |
10 |
Correct |
2 ms |
2796 KB |
Output is correct |
11 |
Correct |
81 ms |
14316 KB |
Output is correct |
12 |
Correct |
89 ms |
17132 KB |
Output is correct |
13 |
Correct |
3 ms |
2924 KB |
Output is correct |
14 |
Correct |
2 ms |
2676 KB |
Output is correct |
15 |
Correct |
2 ms |
2668 KB |
Output is correct |
16 |
Correct |
2 ms |
2668 KB |
Output is correct |
17 |
Correct |
2 ms |
2668 KB |
Output is correct |
18 |
Correct |
2 ms |
2668 KB |
Output is correct |
19 |
Correct |
2 ms |
2668 KB |
Output is correct |
20 |
Correct |
2 ms |
2668 KB |
Output is correct |
21 |
Correct |
2 ms |
2668 KB |
Output is correct |
22 |
Correct |
2 ms |
2668 KB |
Output is correct |
23 |
Correct |
2 ms |
2668 KB |
Output is correct |
24 |
Correct |
2 ms |
2668 KB |
Output is correct |
25 |
Correct |
4 ms |
2668 KB |
Output is correct |
26 |
Correct |
2 ms |
2668 KB |
Output is correct |
27 |
Correct |
2 ms |
2668 KB |
Output is correct |
28 |
Correct |
2 ms |
2668 KB |
Output is correct |
29 |
Correct |
3 ms |
2668 KB |
Output is correct |
30 |
Correct |
2 ms |
2668 KB |
Output is correct |
31 |
Correct |
2 ms |
2668 KB |
Output is correct |
32 |
Correct |
2 ms |
2668 KB |
Output is correct |
33 |
Correct |
2 ms |
2668 KB |
Output is correct |
34 |
Correct |
2 ms |
2688 KB |
Output is correct |
35 |
Correct |
2 ms |
2668 KB |
Output is correct |
36 |
Correct |
2 ms |
2668 KB |
Output is correct |
37 |
Correct |
2 ms |
2668 KB |
Output is correct |
38 |
Correct |
2 ms |
2668 KB |
Output is correct |
39 |
Correct |
72 ms |
19592 KB |
Output is correct |
40 |
Correct |
77 ms |
19564 KB |
Output is correct |
41 |
Correct |
67 ms |
13932 KB |
Output is correct |
42 |
Correct |
9 ms |
5228 KB |
Output is correct |
43 |
Correct |
3 ms |
2668 KB |
Output is correct |
44 |
Correct |
2 ms |
2668 KB |
Output is correct |
45 |
Correct |
2 ms |
2668 KB |
Output is correct |
46 |
Correct |
2 ms |
2668 KB |
Output is correct |
47 |
Correct |
2 ms |
2668 KB |
Output is correct |
48 |
Correct |
2 ms |
2668 KB |
Output is correct |
49 |
Correct |
2 ms |
2668 KB |
Output is correct |
50 |
Correct |
3 ms |
2796 KB |
Output is correct |
51 |
Correct |
2 ms |
2796 KB |
Output is correct |
52 |
Correct |
4 ms |
2796 KB |
Output is correct |
53 |
Correct |
2 ms |
2796 KB |
Output is correct |
54 |
Correct |
2 ms |
2796 KB |
Output is correct |
55 |
Correct |
2 ms |
2796 KB |
Output is correct |
56 |
Correct |
2 ms |
2796 KB |
Output is correct |
57 |
Correct |
127 ms |
14700 KB |
Output is correct |
58 |
Correct |
122 ms |
14700 KB |
Output is correct |
59 |
Correct |
125 ms |
14444 KB |
Output is correct |
60 |
Correct |
127 ms |
14424 KB |
Output is correct |
61 |
Correct |
107 ms |
14188 KB |
Output is correct |
62 |
Correct |
98 ms |
14188 KB |
Output is correct |
63 |
Correct |
145 ms |
13932 KB |
Output is correct |
64 |
Correct |
98 ms |
13932 KB |
Output is correct |
65 |
Correct |
105 ms |
13932 KB |
Output is correct |
66 |
Correct |
112 ms |
13932 KB |
Output is correct |
67 |
Correct |
113 ms |
14444 KB |
Output is correct |
68 |
Correct |
111 ms |
14444 KB |
Output is correct |
69 |
Correct |
114 ms |
14444 KB |
Output is correct |
70 |
Correct |
108 ms |
14444 KB |
Output is correct |
71 |
Correct |
2 ms |
2668 KB |
Output is correct |
72 |
Correct |
4 ms |
3052 KB |
Output is correct |
73 |
Correct |
13 ms |
3052 KB |
Output is correct |
74 |
Correct |
4 ms |
3052 KB |
Output is correct |
75 |
Correct |
5 ms |
3052 KB |
Output is correct |
76 |
Correct |
17 ms |
3052 KB |
Output is correct |
77 |
Correct |
4 ms |
3052 KB |
Output is correct |
78 |
Correct |
4 ms |
3052 KB |
Output is correct |
79 |
Correct |
4 ms |
3052 KB |
Output is correct |
80 |
Correct |
111 ms |
14408 KB |
Output is correct |
81 |
Correct |
130 ms |
14444 KB |
Output is correct |
82 |
Correct |
109 ms |
14188 KB |
Output is correct |
83 |
Correct |
100 ms |
14236 KB |
Output is correct |
84 |
Correct |
10 ms |
3052 KB |
Output is correct |
85 |
Correct |
3 ms |
2924 KB |
Output is correct |
86 |
Correct |
3 ms |
3052 KB |
Output is correct |
87 |
Correct |
4 ms |
3052 KB |
Output is correct |
88 |
Correct |
4 ms |
3052 KB |
Output is correct |
89 |
Correct |
4 ms |
3052 KB |
Output is correct |
90 |
Correct |
3 ms |
3052 KB |
Output is correct |
91 |
Correct |
3 ms |
3052 KB |
Output is correct |
92 |
Correct |
3 ms |
3052 KB |
Output is correct |
93 |
Correct |
3 ms |
3052 KB |
Output is correct |
94 |
Correct |
2 ms |
2668 KB |
Output is correct |
95 |
Correct |
2 ms |
2668 KB |
Output is correct |
96 |
Correct |
2 ms |
2668 KB |
Output is correct |
97 |
Correct |
2 ms |
2668 KB |
Output is correct |
98 |
Correct |
2 ms |
2668 KB |
Output is correct |
99 |
Correct |
3 ms |
2668 KB |
Output is correct |
100 |
Correct |
2 ms |
2668 KB |
Output is correct |
101 |
Correct |
3 ms |
2668 KB |
Output is correct |
102 |
Correct |
3 ms |
2668 KB |
Output is correct |
103 |
Correct |
2 ms |
2668 KB |
Output is correct |
104 |
Correct |
8 ms |
4332 KB |
Output is correct |
105 |
Correct |
17 ms |
6636 KB |
Output is correct |
106 |
Correct |
2 ms |
2796 KB |
Output is correct |
107 |
Correct |
36 ms |
9196 KB |
Output is correct |
108 |
Correct |
53 ms |
12012 KB |
Output is correct |
109 |
Correct |
3 ms |
2796 KB |
Output is correct |
110 |
Correct |
77 ms |
14316 KB |
Output is correct |
111 |
Correct |
89 ms |
17132 KB |
Output is correct |
112 |
Correct |
2 ms |
2924 KB |
Output is correct |
113 |
Correct |
127 ms |
23276 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
10604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
19692 KB |
Output is correct |
2 |
Correct |
74 ms |
19652 KB |
Output is correct |
3 |
Correct |
55 ms |
13932 KB |
Output is correct |
4 |
Correct |
11 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
4332 KB |
Output is correct |
6 |
Correct |
16 ms |
6636 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
39 ms |
9192 KB |
Output is correct |
9 |
Correct |
56 ms |
12012 KB |
Output is correct |
10 |
Correct |
2 ms |
2796 KB |
Output is correct |
11 |
Correct |
81 ms |
14316 KB |
Output is correct |
12 |
Correct |
89 ms |
17132 KB |
Output is correct |
13 |
Correct |
3 ms |
2924 KB |
Output is correct |
14 |
Incorrect |
2 ms |
2796 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
19692 KB |
Output is correct |
2 |
Correct |
74 ms |
19652 KB |
Output is correct |
3 |
Correct |
55 ms |
13932 KB |
Output is correct |
4 |
Correct |
11 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
4332 KB |
Output is correct |
6 |
Correct |
16 ms |
6636 KB |
Output is correct |
7 |
Correct |
3 ms |
2796 KB |
Output is correct |
8 |
Correct |
39 ms |
9192 KB |
Output is correct |
9 |
Correct |
56 ms |
12012 KB |
Output is correct |
10 |
Correct |
2 ms |
2796 KB |
Output is correct |
11 |
Correct |
81 ms |
14316 KB |
Output is correct |
12 |
Correct |
89 ms |
17132 KB |
Output is correct |
13 |
Correct |
3 ms |
2924 KB |
Output is correct |
14 |
Correct |
2 ms |
2676 KB |
Output is correct |
15 |
Correct |
2 ms |
2668 KB |
Output is correct |
16 |
Correct |
2 ms |
2668 KB |
Output is correct |
17 |
Correct |
2 ms |
2668 KB |
Output is correct |
18 |
Correct |
2 ms |
2668 KB |
Output is correct |
19 |
Correct |
2 ms |
2668 KB |
Output is correct |
20 |
Correct |
2 ms |
2668 KB |
Output is correct |
21 |
Correct |
2 ms |
2668 KB |
Output is correct |
22 |
Correct |
2 ms |
2668 KB |
Output is correct |
23 |
Correct |
2 ms |
2668 KB |
Output is correct |
24 |
Correct |
2 ms |
2668 KB |
Output is correct |
25 |
Correct |
4 ms |
2668 KB |
Output is correct |
26 |
Correct |
2 ms |
2668 KB |
Output is correct |
27 |
Correct |
2 ms |
2668 KB |
Output is correct |
28 |
Correct |
2 ms |
2668 KB |
Output is correct |
29 |
Correct |
3 ms |
2668 KB |
Output is correct |
30 |
Correct |
2 ms |
2668 KB |
Output is correct |
31 |
Correct |
2 ms |
2668 KB |
Output is correct |
32 |
Correct |
2 ms |
2668 KB |
Output is correct |
33 |
Correct |
2 ms |
2668 KB |
Output is correct |
34 |
Correct |
2 ms |
2688 KB |
Output is correct |
35 |
Correct |
2 ms |
2668 KB |
Output is correct |
36 |
Correct |
2 ms |
2668 KB |
Output is correct |
37 |
Correct |
2 ms |
2668 KB |
Output is correct |
38 |
Correct |
2 ms |
2668 KB |
Output is correct |
39 |
Correct |
72 ms |
19592 KB |
Output is correct |
40 |
Correct |
77 ms |
19564 KB |
Output is correct |
41 |
Correct |
67 ms |
13932 KB |
Output is correct |
42 |
Correct |
9 ms |
5228 KB |
Output is correct |
43 |
Correct |
3 ms |
2668 KB |
Output is correct |
44 |
Correct |
2 ms |
2668 KB |
Output is correct |
45 |
Correct |
2 ms |
2668 KB |
Output is correct |
46 |
Correct |
2 ms |
2668 KB |
Output is correct |
47 |
Correct |
2 ms |
2668 KB |
Output is correct |
48 |
Correct |
2 ms |
2668 KB |
Output is correct |
49 |
Correct |
2 ms |
2668 KB |
Output is correct |
50 |
Correct |
3 ms |
2796 KB |
Output is correct |
51 |
Correct |
2 ms |
2796 KB |
Output is correct |
52 |
Correct |
4 ms |
2796 KB |
Output is correct |
53 |
Correct |
2 ms |
2796 KB |
Output is correct |
54 |
Correct |
2 ms |
2796 KB |
Output is correct |
55 |
Correct |
2 ms |
2796 KB |
Output is correct |
56 |
Correct |
2 ms |
2796 KB |
Output is correct |
57 |
Correct |
127 ms |
14700 KB |
Output is correct |
58 |
Correct |
122 ms |
14700 KB |
Output is correct |
59 |
Correct |
125 ms |
14444 KB |
Output is correct |
60 |
Correct |
127 ms |
14424 KB |
Output is correct |
61 |
Correct |
107 ms |
14188 KB |
Output is correct |
62 |
Correct |
98 ms |
14188 KB |
Output is correct |
63 |
Correct |
145 ms |
13932 KB |
Output is correct |
64 |
Correct |
98 ms |
13932 KB |
Output is correct |
65 |
Correct |
105 ms |
13932 KB |
Output is correct |
66 |
Correct |
112 ms |
13932 KB |
Output is correct |
67 |
Correct |
113 ms |
14444 KB |
Output is correct |
68 |
Correct |
111 ms |
14444 KB |
Output is correct |
69 |
Correct |
114 ms |
14444 KB |
Output is correct |
70 |
Correct |
108 ms |
14444 KB |
Output is correct |
71 |
Correct |
2 ms |
2668 KB |
Output is correct |
72 |
Correct |
4 ms |
3052 KB |
Output is correct |
73 |
Correct |
13 ms |
3052 KB |
Output is correct |
74 |
Correct |
4 ms |
3052 KB |
Output is correct |
75 |
Correct |
5 ms |
3052 KB |
Output is correct |
76 |
Correct |
17 ms |
3052 KB |
Output is correct |
77 |
Correct |
4 ms |
3052 KB |
Output is correct |
78 |
Correct |
4 ms |
3052 KB |
Output is correct |
79 |
Correct |
4 ms |
3052 KB |
Output is correct |
80 |
Correct |
111 ms |
14408 KB |
Output is correct |
81 |
Correct |
130 ms |
14444 KB |
Output is correct |
82 |
Correct |
109 ms |
14188 KB |
Output is correct |
83 |
Correct |
100 ms |
14236 KB |
Output is correct |
84 |
Correct |
10 ms |
3052 KB |
Output is correct |
85 |
Correct |
3 ms |
2924 KB |
Output is correct |
86 |
Correct |
3 ms |
3052 KB |
Output is correct |
87 |
Correct |
4 ms |
3052 KB |
Output is correct |
88 |
Correct |
4 ms |
3052 KB |
Output is correct |
89 |
Correct |
4 ms |
3052 KB |
Output is correct |
90 |
Correct |
3 ms |
3052 KB |
Output is correct |
91 |
Correct |
3 ms |
3052 KB |
Output is correct |
92 |
Correct |
3 ms |
3052 KB |
Output is correct |
93 |
Correct |
3 ms |
3052 KB |
Output is correct |
94 |
Correct |
2 ms |
2668 KB |
Output is correct |
95 |
Correct |
2 ms |
2668 KB |
Output is correct |
96 |
Correct |
2 ms |
2668 KB |
Output is correct |
97 |
Correct |
2 ms |
2668 KB |
Output is correct |
98 |
Correct |
2 ms |
2668 KB |
Output is correct |
99 |
Correct |
3 ms |
2668 KB |
Output is correct |
100 |
Correct |
2 ms |
2668 KB |
Output is correct |
101 |
Correct |
3 ms |
2668 KB |
Output is correct |
102 |
Correct |
3 ms |
2668 KB |
Output is correct |
103 |
Correct |
2 ms |
2668 KB |
Output is correct |
104 |
Correct |
8 ms |
4332 KB |
Output is correct |
105 |
Correct |
17 ms |
6636 KB |
Output is correct |
106 |
Correct |
2 ms |
2796 KB |
Output is correct |
107 |
Correct |
36 ms |
9196 KB |
Output is correct |
108 |
Correct |
53 ms |
12012 KB |
Output is correct |
109 |
Correct |
3 ms |
2796 KB |
Output is correct |
110 |
Correct |
77 ms |
14316 KB |
Output is correct |
111 |
Correct |
89 ms |
17132 KB |
Output is correct |
112 |
Correct |
2 ms |
2924 KB |
Output is correct |
113 |
Correct |
127 ms |
23276 KB |
Output is correct |
114 |
Incorrect |
29 ms |
10604 KB |
Output isn't correct |
115 |
Halted |
0 ms |
0 KB |
- |