#include <bits/stdc++.h>
using namespace std;
#define bit(n,i) ((n>>i)&1)
#define all(a) (a).begin(),(a).end()
#define pb push_back
#define ep emplace_back
#define pii pair<int,int>
#define piii pair<int,pii>
#define fi first
#define se second
#define ll long long
#define debug(x) cerr << #x << ' ' << x << '\n'
#define dbg(x) cerr<<#x<<' '<<x<<' '
const int base=31;
const int MOD=1e9+7;
const int N=3e5+5;
int ans[N],value[N],lab[N],deg[N],p[N][20],depth[N],n,m;
bool ok[N];
vector<int>adj[N];
int find_set(int v)
{
return (lab[v]==v?v:lab[v]=find_set(lab[v]));
}
void join(int u,int v,int w)
{
lab[n]=n;
value[n]=w;
deg[u]++;
deg[v]++;
if (deg[u]>=3||deg[v]>=3) ok[n]=1;
u=find_set(u);
v=find_set(v);
adj[n].pb(u);
lab[u]=n;
if (u!=v)
{
adj[n].pb(v);
lab[v]=n;
}
ok[n]|=ok[u]|ok[v];
++n;
}
int lca(int u,int v)
{
if (depth[u]<depth[v]) swap(u,v);
for (int i=18;~i;i--)
{
if (depth[u]-(1<<i)>=depth[v]) u=p[u][i];
}
if (u==v) return u;
for (int i=18;~i;i--)
{
if (~p[u][i]&&p[u][i]!=p[v][i])
{
u=p[u][i];
v=p[v][i];
}
}
return p[u][0];
}
void dfs(int u,int par)
{
if (ok[u]||adj[u].size()==1) ans[u]=value[u];
else if (u!=par) ans[u]=ans[par];
else ans[u]=-1;
for (int v:adj[u])
{
if (v==par) continue;
depth[v]=depth[u]+1;
p[v][0]=u;
dfs(v,u);
}
}
void init(int N,int M,vector<int>U,vector<int>V,vector<int>W)
{
memset(p,-1,sizeof p);
n=N,m=M;
for (int i=0;i<n;i++) lab[i]=i;
vector<int>id;
for (int i=0;i<m;i++) id.pb(i);
sort(all(id),[&](int x,int y){return W[x]<W[y];});
for (auto idx:id)
{
join(U[idx],V[idx],W[idx]);
}
dfs(n-1,n-1);
for (int j=1;(1<<j)<n;j++)
{
for (int i=0;i<n;i++)
{
if (~p[i][j-1])
{
p[i][j]=p[p[i][j-1]][j-1];
}
}
}
}
int getMinimumFuelCapacity(int X,int Y)
{
return ans[lca(X,Y)];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
5 ms |
35428 KB |
Output is correct |
4 |
Correct |
5 ms |
35672 KB |
Output is correct |
5 |
Correct |
6 ms |
35420 KB |
Output is correct |
6 |
Correct |
5 ms |
35420 KB |
Output is correct |
7 |
Correct |
6 ms |
35420 KB |
Output is correct |
8 |
Correct |
6 ms |
35524 KB |
Output is correct |
9 |
Correct |
51 ms |
42188 KB |
Output is correct |
10 |
Correct |
62 ms |
43872 KB |
Output is correct |
11 |
Correct |
62 ms |
43812 KB |
Output is correct |
12 |
Correct |
68 ms |
44148 KB |
Output is correct |
13 |
Correct |
62 ms |
47308 KB |
Output is correct |
14 |
Correct |
60 ms |
42696 KB |
Output is correct |
15 |
Correct |
133 ms |
47836 KB |
Output is correct |
16 |
Correct |
128 ms |
47652 KB |
Output is correct |
17 |
Correct |
131 ms |
48100 KB |
Output is correct |
18 |
Correct |
170 ms |
51348 KB |
Output is correct |
19 |
Correct |
66 ms |
41944 KB |
Output is correct |
20 |
Correct |
158 ms |
48652 KB |
Output is correct |
21 |
Correct |
131 ms |
48920 KB |
Output is correct |
22 |
Correct |
181 ms |
49452 KB |
Output is correct |
23 |
Correct |
168 ms |
52392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
188 ms |
54172 KB |
Output is correct |
4 |
Correct |
182 ms |
54748 KB |
Output is correct |
5 |
Correct |
150 ms |
54528 KB |
Output is correct |
6 |
Correct |
152 ms |
54440 KB |
Output is correct |
7 |
Correct |
168 ms |
54676 KB |
Output is correct |
8 |
Correct |
162 ms |
54188 KB |
Output is correct |
9 |
Correct |
152 ms |
54480 KB |
Output is correct |
10 |
Correct |
174 ms |
54060 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
5 ms |
35428 KB |
Output is correct |
4 |
Correct |
5 ms |
35672 KB |
Output is correct |
5 |
Correct |
6 ms |
35420 KB |
Output is correct |
6 |
Correct |
5 ms |
35420 KB |
Output is correct |
7 |
Correct |
6 ms |
35420 KB |
Output is correct |
8 |
Correct |
6 ms |
35524 KB |
Output is correct |
9 |
Correct |
5 ms |
35420 KB |
Output is correct |
10 |
Correct |
6 ms |
35420 KB |
Output is correct |
11 |
Correct |
6 ms |
35416 KB |
Output is correct |
12 |
Correct |
6 ms |
35416 KB |
Output is correct |
13 |
Correct |
6 ms |
35420 KB |
Output is correct |
14 |
Correct |
5 ms |
35420 KB |
Output is correct |
15 |
Correct |
6 ms |
35676 KB |
Output is correct |
16 |
Correct |
6 ms |
35588 KB |
Output is correct |
17 |
Correct |
6 ms |
35420 KB |
Output is correct |
18 |
Correct |
6 ms |
35460 KB |
Output is correct |
19 |
Correct |
6 ms |
35416 KB |
Output is correct |
20 |
Correct |
5 ms |
35672 KB |
Output is correct |
21 |
Correct |
6 ms |
35420 KB |
Output is correct |
22 |
Correct |
6 ms |
35676 KB |
Output is correct |
23 |
Correct |
5 ms |
35420 KB |
Output is correct |
24 |
Correct |
6 ms |
35676 KB |
Output is correct |
25 |
Correct |
6 ms |
35676 KB |
Output is correct |
26 |
Correct |
6 ms |
35676 KB |
Output is correct |
27 |
Correct |
6 ms |
35420 KB |
Output is correct |
28 |
Correct |
6 ms |
35676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
5 ms |
35420 KB |
Output is correct |
4 |
Correct |
5 ms |
35428 KB |
Output is correct |
5 |
Correct |
5 ms |
35672 KB |
Output is correct |
6 |
Correct |
6 ms |
35420 KB |
Output is correct |
7 |
Correct |
5 ms |
35420 KB |
Output is correct |
8 |
Correct |
6 ms |
35420 KB |
Output is correct |
9 |
Correct |
6 ms |
35524 KB |
Output is correct |
10 |
Correct |
51 ms |
42188 KB |
Output is correct |
11 |
Correct |
62 ms |
43872 KB |
Output is correct |
12 |
Correct |
62 ms |
43812 KB |
Output is correct |
13 |
Correct |
68 ms |
44148 KB |
Output is correct |
14 |
Correct |
62 ms |
47308 KB |
Output is correct |
15 |
Correct |
6 ms |
35420 KB |
Output is correct |
16 |
Correct |
6 ms |
35416 KB |
Output is correct |
17 |
Correct |
6 ms |
35416 KB |
Output is correct |
18 |
Correct |
6 ms |
35420 KB |
Output is correct |
19 |
Correct |
5 ms |
35420 KB |
Output is correct |
20 |
Correct |
6 ms |
35676 KB |
Output is correct |
21 |
Correct |
6 ms |
35588 KB |
Output is correct |
22 |
Correct |
6 ms |
35420 KB |
Output is correct |
23 |
Correct |
6 ms |
35460 KB |
Output is correct |
24 |
Correct |
6 ms |
35416 KB |
Output is correct |
25 |
Correct |
5 ms |
35672 KB |
Output is correct |
26 |
Correct |
6 ms |
35420 KB |
Output is correct |
27 |
Correct |
6 ms |
35676 KB |
Output is correct |
28 |
Correct |
5 ms |
35420 KB |
Output is correct |
29 |
Correct |
6 ms |
35676 KB |
Output is correct |
30 |
Correct |
6 ms |
35676 KB |
Output is correct |
31 |
Correct |
6 ms |
35676 KB |
Output is correct |
32 |
Correct |
6 ms |
35420 KB |
Output is correct |
33 |
Correct |
6 ms |
35676 KB |
Output is correct |
34 |
Correct |
12 ms |
36652 KB |
Output is correct |
35 |
Correct |
88 ms |
43980 KB |
Output is correct |
36 |
Correct |
64 ms |
43900 KB |
Output is correct |
37 |
Correct |
79 ms |
43904 KB |
Output is correct |
38 |
Correct |
77 ms |
43912 KB |
Output is correct |
39 |
Correct |
70 ms |
43808 KB |
Output is correct |
40 |
Correct |
60 ms |
42956 KB |
Output is correct |
41 |
Correct |
66 ms |
44280 KB |
Output is correct |
42 |
Correct |
88 ms |
43984 KB |
Output is correct |
43 |
Correct |
68 ms |
48236 KB |
Output is correct |
44 |
Correct |
80 ms |
44236 KB |
Output is correct |
45 |
Correct |
110 ms |
53920 KB |
Output is correct |
46 |
Correct |
67 ms |
43980 KB |
Output is correct |
47 |
Correct |
72 ms |
44012 KB |
Output is correct |
48 |
Correct |
78 ms |
47176 KB |
Output is correct |
49 |
Correct |
84 ms |
57888 KB |
Output is correct |
50 |
Correct |
82 ms |
52500 KB |
Output is correct |
51 |
Correct |
95 ms |
51776 KB |
Output is correct |
52 |
Correct |
117 ms |
53444 KB |
Output is correct |
53 |
Correct |
132 ms |
54732 KB |
Output is correct |
54 |
Correct |
139 ms |
59008 KB |
Output is correct |
55 |
Correct |
65 ms |
47608 KB |
Output is correct |
56 |
Correct |
137 ms |
56820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
5 ms |
35428 KB |
Output is correct |
4 |
Correct |
5 ms |
35672 KB |
Output is correct |
5 |
Correct |
6 ms |
35420 KB |
Output is correct |
6 |
Correct |
5 ms |
35420 KB |
Output is correct |
7 |
Correct |
6 ms |
35420 KB |
Output is correct |
8 |
Correct |
6 ms |
35524 KB |
Output is correct |
9 |
Correct |
51 ms |
42188 KB |
Output is correct |
10 |
Correct |
62 ms |
43872 KB |
Output is correct |
11 |
Correct |
62 ms |
43812 KB |
Output is correct |
12 |
Correct |
68 ms |
44148 KB |
Output is correct |
13 |
Correct |
62 ms |
47308 KB |
Output is correct |
14 |
Correct |
60 ms |
42696 KB |
Output is correct |
15 |
Correct |
133 ms |
47836 KB |
Output is correct |
16 |
Correct |
128 ms |
47652 KB |
Output is correct |
17 |
Correct |
131 ms |
48100 KB |
Output is correct |
18 |
Correct |
170 ms |
51348 KB |
Output is correct |
19 |
Correct |
188 ms |
54172 KB |
Output is correct |
20 |
Correct |
182 ms |
54748 KB |
Output is correct |
21 |
Correct |
150 ms |
54528 KB |
Output is correct |
22 |
Correct |
152 ms |
54440 KB |
Output is correct |
23 |
Correct |
168 ms |
54676 KB |
Output is correct |
24 |
Correct |
162 ms |
54188 KB |
Output is correct |
25 |
Correct |
152 ms |
54480 KB |
Output is correct |
26 |
Correct |
174 ms |
54060 KB |
Output is correct |
27 |
Correct |
6 ms |
35420 KB |
Output is correct |
28 |
Correct |
6 ms |
35416 KB |
Output is correct |
29 |
Correct |
6 ms |
35416 KB |
Output is correct |
30 |
Correct |
6 ms |
35420 KB |
Output is correct |
31 |
Correct |
5 ms |
35420 KB |
Output is correct |
32 |
Correct |
6 ms |
35676 KB |
Output is correct |
33 |
Correct |
6 ms |
35588 KB |
Output is correct |
34 |
Correct |
6 ms |
35420 KB |
Output is correct |
35 |
Correct |
6 ms |
35460 KB |
Output is correct |
36 |
Correct |
12 ms |
36652 KB |
Output is correct |
37 |
Correct |
88 ms |
43980 KB |
Output is correct |
38 |
Correct |
64 ms |
43900 KB |
Output is correct |
39 |
Correct |
79 ms |
43904 KB |
Output is correct |
40 |
Correct |
77 ms |
43912 KB |
Output is correct |
41 |
Correct |
70 ms |
43808 KB |
Output is correct |
42 |
Correct |
60 ms |
42956 KB |
Output is correct |
43 |
Correct |
66 ms |
44280 KB |
Output is correct |
44 |
Correct |
88 ms |
43984 KB |
Output is correct |
45 |
Correct |
68 ms |
48236 KB |
Output is correct |
46 |
Correct |
80 ms |
44236 KB |
Output is correct |
47 |
Correct |
18 ms |
36956 KB |
Output is correct |
48 |
Correct |
185 ms |
48396 KB |
Output is correct |
49 |
Correct |
136 ms |
48528 KB |
Output is correct |
50 |
Correct |
138 ms |
48808 KB |
Output is correct |
51 |
Correct |
139 ms |
48436 KB |
Output is correct |
52 |
Correct |
141 ms |
47940 KB |
Output is correct |
53 |
Correct |
135 ms |
46772 KB |
Output is correct |
54 |
Correct |
137 ms |
49316 KB |
Output is correct |
55 |
Correct |
137 ms |
48492 KB |
Output is correct |
56 |
Correct |
173 ms |
51696 KB |
Output is correct |
57 |
Correct |
182 ms |
49320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
35420 KB |
Output is correct |
2 |
Correct |
5 ms |
35420 KB |
Output is correct |
3 |
Correct |
5 ms |
35420 KB |
Output is correct |
4 |
Correct |
5 ms |
35428 KB |
Output is correct |
5 |
Correct |
5 ms |
35672 KB |
Output is correct |
6 |
Correct |
6 ms |
35420 KB |
Output is correct |
7 |
Correct |
5 ms |
35420 KB |
Output is correct |
8 |
Correct |
6 ms |
35420 KB |
Output is correct |
9 |
Correct |
6 ms |
35524 KB |
Output is correct |
10 |
Correct |
51 ms |
42188 KB |
Output is correct |
11 |
Correct |
62 ms |
43872 KB |
Output is correct |
12 |
Correct |
62 ms |
43812 KB |
Output is correct |
13 |
Correct |
68 ms |
44148 KB |
Output is correct |
14 |
Correct |
62 ms |
47308 KB |
Output is correct |
15 |
Correct |
60 ms |
42696 KB |
Output is correct |
16 |
Correct |
133 ms |
47836 KB |
Output is correct |
17 |
Correct |
128 ms |
47652 KB |
Output is correct |
18 |
Correct |
131 ms |
48100 KB |
Output is correct |
19 |
Correct |
170 ms |
51348 KB |
Output is correct |
20 |
Correct |
188 ms |
54172 KB |
Output is correct |
21 |
Correct |
182 ms |
54748 KB |
Output is correct |
22 |
Correct |
150 ms |
54528 KB |
Output is correct |
23 |
Correct |
152 ms |
54440 KB |
Output is correct |
24 |
Correct |
168 ms |
54676 KB |
Output is correct |
25 |
Correct |
162 ms |
54188 KB |
Output is correct |
26 |
Correct |
152 ms |
54480 KB |
Output is correct |
27 |
Correct |
174 ms |
54060 KB |
Output is correct |
28 |
Correct |
6 ms |
35420 KB |
Output is correct |
29 |
Correct |
6 ms |
35416 KB |
Output is correct |
30 |
Correct |
6 ms |
35416 KB |
Output is correct |
31 |
Correct |
6 ms |
35420 KB |
Output is correct |
32 |
Correct |
5 ms |
35420 KB |
Output is correct |
33 |
Correct |
6 ms |
35676 KB |
Output is correct |
34 |
Correct |
6 ms |
35588 KB |
Output is correct |
35 |
Correct |
6 ms |
35420 KB |
Output is correct |
36 |
Correct |
6 ms |
35460 KB |
Output is correct |
37 |
Correct |
12 ms |
36652 KB |
Output is correct |
38 |
Correct |
88 ms |
43980 KB |
Output is correct |
39 |
Correct |
64 ms |
43900 KB |
Output is correct |
40 |
Correct |
79 ms |
43904 KB |
Output is correct |
41 |
Correct |
77 ms |
43912 KB |
Output is correct |
42 |
Correct |
70 ms |
43808 KB |
Output is correct |
43 |
Correct |
60 ms |
42956 KB |
Output is correct |
44 |
Correct |
66 ms |
44280 KB |
Output is correct |
45 |
Correct |
88 ms |
43984 KB |
Output is correct |
46 |
Correct |
68 ms |
48236 KB |
Output is correct |
47 |
Correct |
80 ms |
44236 KB |
Output is correct |
48 |
Correct |
18 ms |
36956 KB |
Output is correct |
49 |
Correct |
185 ms |
48396 KB |
Output is correct |
50 |
Correct |
136 ms |
48528 KB |
Output is correct |
51 |
Correct |
138 ms |
48808 KB |
Output is correct |
52 |
Correct |
139 ms |
48436 KB |
Output is correct |
53 |
Correct |
141 ms |
47940 KB |
Output is correct |
54 |
Correct |
135 ms |
46772 KB |
Output is correct |
55 |
Correct |
137 ms |
49316 KB |
Output is correct |
56 |
Correct |
137 ms |
48492 KB |
Output is correct |
57 |
Correct |
173 ms |
51696 KB |
Output is correct |
58 |
Correct |
182 ms |
49320 KB |
Output is correct |
59 |
Correct |
66 ms |
41944 KB |
Output is correct |
60 |
Correct |
158 ms |
48652 KB |
Output is correct |
61 |
Correct |
131 ms |
48920 KB |
Output is correct |
62 |
Correct |
181 ms |
49452 KB |
Output is correct |
63 |
Correct |
168 ms |
52392 KB |
Output is correct |
64 |
Correct |
6 ms |
35416 KB |
Output is correct |
65 |
Correct |
5 ms |
35672 KB |
Output is correct |
66 |
Correct |
6 ms |
35420 KB |
Output is correct |
67 |
Correct |
6 ms |
35676 KB |
Output is correct |
68 |
Correct |
5 ms |
35420 KB |
Output is correct |
69 |
Correct |
6 ms |
35676 KB |
Output is correct |
70 |
Correct |
6 ms |
35676 KB |
Output is correct |
71 |
Correct |
6 ms |
35676 KB |
Output is correct |
72 |
Correct |
6 ms |
35420 KB |
Output is correct |
73 |
Correct |
6 ms |
35676 KB |
Output is correct |
74 |
Correct |
110 ms |
53920 KB |
Output is correct |
75 |
Correct |
67 ms |
43980 KB |
Output is correct |
76 |
Correct |
72 ms |
44012 KB |
Output is correct |
77 |
Correct |
78 ms |
47176 KB |
Output is correct |
78 |
Correct |
84 ms |
57888 KB |
Output is correct |
79 |
Correct |
82 ms |
52500 KB |
Output is correct |
80 |
Correct |
95 ms |
51776 KB |
Output is correct |
81 |
Correct |
117 ms |
53444 KB |
Output is correct |
82 |
Correct |
132 ms |
54732 KB |
Output is correct |
83 |
Correct |
139 ms |
59008 KB |
Output is correct |
84 |
Correct |
65 ms |
47608 KB |
Output is correct |
85 |
Correct |
137 ms |
56820 KB |
Output is correct |
86 |
Correct |
55 ms |
42468 KB |
Output is correct |
87 |
Correct |
157 ms |
48472 KB |
Output is correct |
88 |
Correct |
157 ms |
48548 KB |
Output is correct |
89 |
Correct |
180 ms |
51528 KB |
Output is correct |
90 |
Correct |
163 ms |
62408 KB |
Output is correct |
91 |
Correct |
164 ms |
60256 KB |
Output is correct |
92 |
Correct |
177 ms |
55836 KB |
Output is correct |
93 |
Correct |
206 ms |
57244 KB |
Output is correct |
94 |
Correct |
249 ms |
58780 KB |
Output is correct |
95 |
Correct |
222 ms |
62852 KB |
Output is correct |
96 |
Correct |
186 ms |
52100 KB |
Output is correct |
97 |
Correct |
217 ms |
55864 KB |
Output is correct |