#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pii pair<int,int>
#define fi first
#define se second
const int INF=1000000000;
struct UFDS{
int n;
vector<vector<pii>> roots;
vector<vector<int>> children;
vector<int> siz;
vector<int> unpath;
vector<pii> pathpoints;
UFDS(){
n=0;
}
void dsinit(int nn){
n=nn;
for(int i=0;i<n;i++){
vector<int> v;
v.push_back(i);
vector<pii> vv;
vv.push_back(mp(i,0));
roots.push_back(vv);
children.push_back(v);
siz.push_back(1);
unpath.push_back(-1);
pathpoints.push_back(mp(i,i));
}
}
bool unite(int x,int y,int w){
int ox=x,oy=y;
x=roots[x].back().first;
y=roots[y].back().first;
if(x==y){
if(unpath[x]==-1){
unpath[x]=w;
}
return false;
}
if(siz[x]<siz[y]){
swap(x,y);
swap(ox,oy);
}
for(int i:children[y]){
roots[i].push_back(mp(x,w));
children[x].push_back(i);
}
siz[x]+=siz[y];
if(unpath[x]==-1 && unpath[y]==-1){
if((ox!=pathpoints[x].fi && ox!=pathpoints[x].se) || (oy!=pathpoints[y].fi && oy!=pathpoints[y].se)){
unpath[x]=w;
}
else{
pathpoints[x]=mp(pathpoints[x].fi+pathpoints[x].se-ox,pathpoints[y].fi+pathpoints[y].se-oy);
}
}
if(unpath[x]==-1 && unpath[y]!=-1) unpath[x]=w;
return true;
}
};
UFDS ds;
bool ispath=false;
void init(int n,int m,vector<int> u,vector<int> v,vector<int> w){
vector<pair<int,pii>> edges;
for(int i=0;i<m;i++) edges.push_back(mp(w[i],mp(u[i],v[i])));
sort(edges.begin(),edges.end());
ds.dsinit(n);
for(auto p:edges){
ds.unite(p.se.fi,p.se.se,p.fi);
}
if(ds.unpath[ds.roots[0].back().fi]==-1) ispath=true;
}
int getMinimumFuelCapacity(int u,int v){
if(ispath) return -1;
int iu=ds.roots[u].size()-1;
int iv=ds.roots[v].size()-1;
while(ds.roots[u][iu].fi==ds.roots[v][iv].fi){
iu--,iv--;
}
iu++,iv++;
while(ds.unpath[ds.roots[u][iu].fi]==-1) iu++;
return max(max(ds.roots[u][iu].se,ds.roots[v][iv].se),ds.unpath[ds.roots[u][iu].fi]);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
600 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
76 ms |
23600 KB |
Output is correct |
10 |
Correct |
109 ms |
27988 KB |
Output is correct |
11 |
Correct |
134 ms |
27552 KB |
Output is correct |
12 |
Correct |
141 ms |
28972 KB |
Output is correct |
13 |
Correct |
67 ms |
21440 KB |
Output is correct |
14 |
Correct |
83 ms |
24264 KB |
Output is correct |
15 |
Correct |
148 ms |
32368 KB |
Output is correct |
16 |
Correct |
171 ms |
31656 KB |
Output is correct |
17 |
Correct |
152 ms |
32956 KB |
Output is correct |
18 |
Correct |
119 ms |
25568 KB |
Output is correct |
19 |
Correct |
51 ms |
9680 KB |
Output is correct |
20 |
Correct |
150 ms |
32612 KB |
Output is correct |
21 |
Correct |
150 ms |
32016 KB |
Output is correct |
22 |
Correct |
218 ms |
33472 KB |
Output is correct |
23 |
Correct |
120 ms |
26188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
98 ms |
22588 KB |
Output is correct |
4 |
Correct |
101 ms |
22676 KB |
Output is correct |
5 |
Correct |
101 ms |
22764 KB |
Output is correct |
6 |
Correct |
104 ms |
22672 KB |
Output is correct |
7 |
Correct |
104 ms |
22836 KB |
Output is correct |
8 |
Correct |
119 ms |
22588 KB |
Output is correct |
9 |
Correct |
101 ms |
22816 KB |
Output is correct |
10 |
Correct |
107 ms |
22340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
600 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
448 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
1 ms |
448 KB |
Output is correct |
19 |
Correct |
2 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
604 KB |
Output is correct |
24 |
Correct |
1 ms |
484 KB |
Output is correct |
25 |
Correct |
1 ms |
604 KB |
Output is correct |
26 |
Correct |
1 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
604 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
76 ms |
23600 KB |
Output is correct |
11 |
Correct |
109 ms |
27988 KB |
Output is correct |
12 |
Correct |
134 ms |
27552 KB |
Output is correct |
13 |
Correct |
141 ms |
28972 KB |
Output is correct |
14 |
Correct |
67 ms |
21440 KB |
Output is correct |
15 |
Correct |
1 ms |
600 KB |
Output is correct |
16 |
Correct |
1 ms |
448 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
2 ms |
604 KB |
Output is correct |
22 |
Correct |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
448 KB |
Output is correct |
24 |
Correct |
2 ms |
604 KB |
Output is correct |
25 |
Correct |
1 ms |
604 KB |
Output is correct |
26 |
Correct |
2 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
29 |
Correct |
1 ms |
484 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
604 KB |
Output is correct |
34 |
Correct |
10 ms |
3732 KB |
Output is correct |
35 |
Correct |
141 ms |
28640 KB |
Output is correct |
36 |
Correct |
119 ms |
28268 KB |
Output is correct |
37 |
Correct |
103 ms |
28056 KB |
Output is correct |
38 |
Correct |
94 ms |
27580 KB |
Output is correct |
39 |
Correct |
129 ms |
26816 KB |
Output is correct |
40 |
Correct |
97 ms |
24636 KB |
Output is correct |
41 |
Correct |
108 ms |
29248 KB |
Output is correct |
42 |
Correct |
107 ms |
29368 KB |
Output is correct |
43 |
Correct |
64 ms |
20956 KB |
Output is correct |
44 |
Correct |
128 ms |
26788 KB |
Output is correct |
45 |
Correct |
79 ms |
23492 KB |
Output is correct |
46 |
Correct |
102 ms |
28076 KB |
Output is correct |
47 |
Correct |
90 ms |
25536 KB |
Output is correct |
48 |
Correct |
76 ms |
22044 KB |
Output is correct |
49 |
Correct |
50 ms |
10956 KB |
Output is correct |
50 |
Correct |
41 ms |
8136 KB |
Output is correct |
51 |
Correct |
69 ms |
17784 KB |
Output is correct |
52 |
Correct |
143 ms |
32656 KB |
Output is correct |
53 |
Correct |
107 ms |
28352 KB |
Output is correct |
54 |
Correct |
139 ms |
35256 KB |
Output is correct |
55 |
Correct |
61 ms |
21180 KB |
Output is correct |
56 |
Correct |
117 ms |
27448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
600 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
76 ms |
23600 KB |
Output is correct |
10 |
Correct |
109 ms |
27988 KB |
Output is correct |
11 |
Correct |
134 ms |
27552 KB |
Output is correct |
12 |
Correct |
141 ms |
28972 KB |
Output is correct |
13 |
Correct |
67 ms |
21440 KB |
Output is correct |
14 |
Correct |
83 ms |
24264 KB |
Output is correct |
15 |
Correct |
148 ms |
32368 KB |
Output is correct |
16 |
Correct |
171 ms |
31656 KB |
Output is correct |
17 |
Correct |
152 ms |
32956 KB |
Output is correct |
18 |
Correct |
119 ms |
25568 KB |
Output is correct |
19 |
Correct |
98 ms |
22588 KB |
Output is correct |
20 |
Correct |
101 ms |
22676 KB |
Output is correct |
21 |
Correct |
101 ms |
22764 KB |
Output is correct |
22 |
Correct |
104 ms |
22672 KB |
Output is correct |
23 |
Correct |
104 ms |
22836 KB |
Output is correct |
24 |
Correct |
119 ms |
22588 KB |
Output is correct |
25 |
Correct |
101 ms |
22816 KB |
Output is correct |
26 |
Correct |
107 ms |
22340 KB |
Output is correct |
27 |
Correct |
1 ms |
600 KB |
Output is correct |
28 |
Correct |
1 ms |
448 KB |
Output is correct |
29 |
Correct |
1 ms |
604 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
2 ms |
604 KB |
Output is correct |
34 |
Correct |
1 ms |
604 KB |
Output is correct |
35 |
Correct |
1 ms |
448 KB |
Output is correct |
36 |
Correct |
10 ms |
3732 KB |
Output is correct |
37 |
Correct |
141 ms |
28640 KB |
Output is correct |
38 |
Correct |
119 ms |
28268 KB |
Output is correct |
39 |
Correct |
103 ms |
28056 KB |
Output is correct |
40 |
Correct |
94 ms |
27580 KB |
Output is correct |
41 |
Correct |
129 ms |
26816 KB |
Output is correct |
42 |
Correct |
97 ms |
24636 KB |
Output is correct |
43 |
Correct |
108 ms |
29248 KB |
Output is correct |
44 |
Correct |
107 ms |
29368 KB |
Output is correct |
45 |
Correct |
64 ms |
20956 KB |
Output is correct |
46 |
Correct |
128 ms |
26788 KB |
Output is correct |
47 |
Correct |
15 ms |
3988 KB |
Output is correct |
48 |
Correct |
162 ms |
32368 KB |
Output is correct |
49 |
Correct |
154 ms |
32444 KB |
Output is correct |
50 |
Correct |
176 ms |
31912 KB |
Output is correct |
51 |
Correct |
160 ms |
31224 KB |
Output is correct |
52 |
Correct |
167 ms |
28952 KB |
Output is correct |
53 |
Correct |
105 ms |
23940 KB |
Output is correct |
54 |
Correct |
159 ms |
33428 KB |
Output is correct |
55 |
Correct |
161 ms |
32960 KB |
Output is correct |
56 |
Correct |
121 ms |
25276 KB |
Output is correct |
57 |
Correct |
140 ms |
30452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
600 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
76 ms |
23600 KB |
Output is correct |
11 |
Correct |
109 ms |
27988 KB |
Output is correct |
12 |
Correct |
134 ms |
27552 KB |
Output is correct |
13 |
Correct |
141 ms |
28972 KB |
Output is correct |
14 |
Correct |
67 ms |
21440 KB |
Output is correct |
15 |
Correct |
83 ms |
24264 KB |
Output is correct |
16 |
Correct |
148 ms |
32368 KB |
Output is correct |
17 |
Correct |
171 ms |
31656 KB |
Output is correct |
18 |
Correct |
152 ms |
32956 KB |
Output is correct |
19 |
Correct |
119 ms |
25568 KB |
Output is correct |
20 |
Correct |
98 ms |
22588 KB |
Output is correct |
21 |
Correct |
101 ms |
22676 KB |
Output is correct |
22 |
Correct |
101 ms |
22764 KB |
Output is correct |
23 |
Correct |
104 ms |
22672 KB |
Output is correct |
24 |
Correct |
104 ms |
22836 KB |
Output is correct |
25 |
Correct |
119 ms |
22588 KB |
Output is correct |
26 |
Correct |
101 ms |
22816 KB |
Output is correct |
27 |
Correct |
107 ms |
22340 KB |
Output is correct |
28 |
Correct |
1 ms |
600 KB |
Output is correct |
29 |
Correct |
1 ms |
448 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
604 KB |
Output is correct |
34 |
Correct |
2 ms |
604 KB |
Output is correct |
35 |
Correct |
1 ms |
604 KB |
Output is correct |
36 |
Correct |
1 ms |
448 KB |
Output is correct |
37 |
Correct |
10 ms |
3732 KB |
Output is correct |
38 |
Correct |
141 ms |
28640 KB |
Output is correct |
39 |
Correct |
119 ms |
28268 KB |
Output is correct |
40 |
Correct |
103 ms |
28056 KB |
Output is correct |
41 |
Correct |
94 ms |
27580 KB |
Output is correct |
42 |
Correct |
129 ms |
26816 KB |
Output is correct |
43 |
Correct |
97 ms |
24636 KB |
Output is correct |
44 |
Correct |
108 ms |
29248 KB |
Output is correct |
45 |
Correct |
107 ms |
29368 KB |
Output is correct |
46 |
Correct |
64 ms |
20956 KB |
Output is correct |
47 |
Correct |
128 ms |
26788 KB |
Output is correct |
48 |
Correct |
15 ms |
3988 KB |
Output is correct |
49 |
Correct |
162 ms |
32368 KB |
Output is correct |
50 |
Correct |
154 ms |
32444 KB |
Output is correct |
51 |
Correct |
176 ms |
31912 KB |
Output is correct |
52 |
Correct |
160 ms |
31224 KB |
Output is correct |
53 |
Correct |
167 ms |
28952 KB |
Output is correct |
54 |
Correct |
105 ms |
23940 KB |
Output is correct |
55 |
Correct |
159 ms |
33428 KB |
Output is correct |
56 |
Correct |
161 ms |
32960 KB |
Output is correct |
57 |
Correct |
121 ms |
25276 KB |
Output is correct |
58 |
Correct |
140 ms |
30452 KB |
Output is correct |
59 |
Correct |
51 ms |
9680 KB |
Output is correct |
60 |
Correct |
150 ms |
32612 KB |
Output is correct |
61 |
Correct |
150 ms |
32016 KB |
Output is correct |
62 |
Correct |
218 ms |
33472 KB |
Output is correct |
63 |
Correct |
120 ms |
26188 KB |
Output is correct |
64 |
Correct |
2 ms |
604 KB |
Output is correct |
65 |
Correct |
1 ms |
604 KB |
Output is correct |
66 |
Correct |
2 ms |
604 KB |
Output is correct |
67 |
Correct |
1 ms |
348 KB |
Output is correct |
68 |
Correct |
1 ms |
604 KB |
Output is correct |
69 |
Correct |
1 ms |
484 KB |
Output is correct |
70 |
Correct |
1 ms |
604 KB |
Output is correct |
71 |
Correct |
1 ms |
604 KB |
Output is correct |
72 |
Correct |
1 ms |
604 KB |
Output is correct |
73 |
Correct |
1 ms |
604 KB |
Output is correct |
74 |
Correct |
79 ms |
23492 KB |
Output is correct |
75 |
Correct |
102 ms |
28076 KB |
Output is correct |
76 |
Correct |
90 ms |
25536 KB |
Output is correct |
77 |
Correct |
76 ms |
22044 KB |
Output is correct |
78 |
Correct |
50 ms |
10956 KB |
Output is correct |
79 |
Correct |
41 ms |
8136 KB |
Output is correct |
80 |
Correct |
69 ms |
17784 KB |
Output is correct |
81 |
Correct |
143 ms |
32656 KB |
Output is correct |
82 |
Correct |
107 ms |
28352 KB |
Output is correct |
83 |
Correct |
139 ms |
35256 KB |
Output is correct |
84 |
Correct |
61 ms |
21180 KB |
Output is correct |
85 |
Correct |
117 ms |
27448 KB |
Output is correct |
86 |
Correct |
41 ms |
9052 KB |
Output is correct |
87 |
Correct |
159 ms |
31932 KB |
Output is correct |
88 |
Correct |
195 ms |
31416 KB |
Output is correct |
89 |
Correct |
124 ms |
25072 KB |
Output is correct |
90 |
Correct |
107 ms |
13692 KB |
Output is correct |
91 |
Correct |
120 ms |
14020 KB |
Output is correct |
92 |
Correct |
110 ms |
21340 KB |
Output is correct |
93 |
Correct |
207 ms |
34980 KB |
Output is correct |
94 |
Correct |
175 ms |
32776 KB |
Output is correct |
95 |
Correct |
202 ms |
40900 KB |
Output is correct |
96 |
Correct |
129 ms |
25412 KB |
Output is correct |
97 |
Correct |
139 ms |
29132 KB |
Output is correct |