//happier ending for folks like us?
//yani in AC nashe, yak yak kesaii ke in APIO dadan dast ma
//PAIN
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 4e5 + 15, M = 2e5 + 5, L = 21, INF = 0x3f3f3f3f;
int p[N], dpr[N], pr[N][L], ext[N], P[N], h[N], rt, D[N], deg[N];
vector<int> adj[N], Wtmp;
inline void smin(int &a, int b) {a = min(a, b);}
void dfs(int v) {
for (int i = 1; i < L; i++) pr[v][i] = pr[pr[v][i - 1]][i - 1];
for (auto u: adj[v]) {
pr[u][0] = v;
h[u] = h[v] + 1;
dfs(u);
smin(ext[v], ext[u]);
}
}
int gpr(int u) {return dpr[u] == u ? u : dpr[u] = gpr(dpr[u]);}
bool merge(int u, int v, int id) {
int tu = u, tv = v;
deg[tu]++, deg[tv]++;
u = gpr(u), v = gpr(v);
if (u == v) return false;
dpr[u] = dpr[v] = id + M;
D[id + M] = max({D[u], D[v], deg[tu], deg[tv]});
adj[id + M].push_back(u);
adj[id + M].push_back(v);
return true;
}
void init(int n, int m, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
iota(p, p + m, 0);
sort(p, p + m, [&](const int x, const int y) {return W[x] < W[y];});
iota(dpr, dpr + N, 0);
memset(ext, 0x3f, sizeof ext);
Wtmp = W;
for (int i = 0; i < m; i++) {
const int id = p[i];
if (!merge(U[id], V[id], id)) {
smin(ext[U[id]], W[id]);
smin(ext[V[id]], W[id]);
}
}
rt = gpr(0), pr[rt][0] = rt, dfs(rt);
}
int LCA(int X, int Y) {
for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i]) Y = pr[Y][i], X = pr[X][i];
return pr[X][0];
}
int getMinimumFuelCapacity(int X, int Y) {
if (h[X] < h[Y]) swap(X, Y);
while (h[Y] < h[X]) X = pr[X][__lg(h[X] - h[Y])];
int w = INF, lca = LCA(X, Y);
for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i] || D[pr[X][i]] <= 2) Y = pr[Y][i], X = pr[X][i];
smin(w, (D[pr[X][0]] > 2 ? Wtmp[pr[X][0] - M] : INF));
if (h[X] <= h[lca]) smin(w, max(Wtmp[X - M], ext[X]));
return w >= INF ? -1 : w;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12888 KB |
Output is correct |
2 |
Correct |
7 ms |
12892 KB |
Output is correct |
3 |
Correct |
8 ms |
12892 KB |
Output is correct |
4 |
Correct |
7 ms |
12892 KB |
Output is correct |
5 |
Correct |
7 ms |
13148 KB |
Output is correct |
6 |
Correct |
8 ms |
13148 KB |
Output is correct |
7 |
Correct |
7 ms |
13196 KB |
Output is correct |
8 |
Correct |
10 ms |
13148 KB |
Output is correct |
9 |
Correct |
92 ms |
33712 KB |
Output is correct |
10 |
Correct |
125 ms |
38332 KB |
Output is correct |
11 |
Correct |
125 ms |
37700 KB |
Output is correct |
12 |
Correct |
151 ms |
39396 KB |
Output is correct |
13 |
Correct |
140 ms |
43096 KB |
Output is correct |
14 |
Correct |
113 ms |
33996 KB |
Output is correct |
15 |
Correct |
252 ms |
42524 KB |
Output is correct |
16 |
Correct |
255 ms |
41856 KB |
Output is correct |
17 |
Correct |
229 ms |
43380 KB |
Output is correct |
18 |
Correct |
388 ms |
47304 KB |
Output is correct |
19 |
Correct |
97 ms |
22104 KB |
Output is correct |
20 |
Correct |
269 ms |
43728 KB |
Output is correct |
21 |
Correct |
231 ms |
43284 KB |
Output is correct |
22 |
Correct |
303 ms |
44816 KB |
Output is correct |
23 |
Correct |
320 ms |
48732 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12888 KB |
Output is correct |
2 |
Correct |
7 ms |
12892 KB |
Output is correct |
3 |
Correct |
306 ms |
50132 KB |
Output is correct |
4 |
Correct |
299 ms |
51640 KB |
Output is correct |
5 |
Correct |
311 ms |
50804 KB |
Output is correct |
6 |
Correct |
311 ms |
51508 KB |
Output is correct |
7 |
Correct |
372 ms |
51276 KB |
Output is correct |
8 |
Correct |
403 ms |
49868 KB |
Output is correct |
9 |
Correct |
302 ms |
50948 KB |
Output is correct |
10 |
Correct |
324 ms |
49684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12888 KB |
Output is correct |
2 |
Correct |
7 ms |
12892 KB |
Output is correct |
3 |
Correct |
8 ms |
12892 KB |
Output is correct |
4 |
Correct |
7 ms |
12892 KB |
Output is correct |
5 |
Correct |
7 ms |
13148 KB |
Output is correct |
6 |
Correct |
8 ms |
13148 KB |
Output is correct |
7 |
Correct |
7 ms |
13196 KB |
Output is correct |
8 |
Correct |
10 ms |
13148 KB |
Output is correct |
9 |
Correct |
7 ms |
12892 KB |
Output is correct |
10 |
Correct |
9 ms |
13156 KB |
Output is correct |
11 |
Correct |
8 ms |
13148 KB |
Output is correct |
12 |
Correct |
7 ms |
13148 KB |
Output is correct |
13 |
Correct |
7 ms |
13148 KB |
Output is correct |
14 |
Correct |
9 ms |
13148 KB |
Output is correct |
15 |
Correct |
7 ms |
13148 KB |
Output is correct |
16 |
Correct |
7 ms |
13148 KB |
Output is correct |
17 |
Correct |
7 ms |
13144 KB |
Output is correct |
18 |
Correct |
7 ms |
13148 KB |
Output is correct |
19 |
Correct |
7 ms |
13148 KB |
Output is correct |
20 |
Correct |
7 ms |
13144 KB |
Output is correct |
21 |
Correct |
7 ms |
13148 KB |
Output is correct |
22 |
Correct |
7 ms |
13148 KB |
Output is correct |
23 |
Correct |
7 ms |
13148 KB |
Output is correct |
24 |
Correct |
7 ms |
13148 KB |
Output is correct |
25 |
Correct |
7 ms |
13148 KB |
Output is correct |
26 |
Correct |
7 ms |
13404 KB |
Output is correct |
27 |
Correct |
7 ms |
13144 KB |
Output is correct |
28 |
Correct |
7 ms |
13404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12892 KB |
Output is correct |
2 |
Correct |
7 ms |
12888 KB |
Output is correct |
3 |
Correct |
7 ms |
12892 KB |
Output is correct |
4 |
Correct |
8 ms |
12892 KB |
Output is correct |
5 |
Correct |
7 ms |
12892 KB |
Output is correct |
6 |
Correct |
7 ms |
13148 KB |
Output is correct |
7 |
Correct |
8 ms |
13148 KB |
Output is correct |
8 |
Correct |
7 ms |
13196 KB |
Output is correct |
9 |
Correct |
10 ms |
13148 KB |
Output is correct |
10 |
Correct |
92 ms |
33712 KB |
Output is correct |
11 |
Correct |
125 ms |
38332 KB |
Output is correct |
12 |
Correct |
125 ms |
37700 KB |
Output is correct |
13 |
Correct |
151 ms |
39396 KB |
Output is correct |
14 |
Correct |
140 ms |
43096 KB |
Output is correct |
15 |
Correct |
9 ms |
13156 KB |
Output is correct |
16 |
Correct |
8 ms |
13148 KB |
Output is correct |
17 |
Correct |
7 ms |
13148 KB |
Output is correct |
18 |
Correct |
7 ms |
13148 KB |
Output is correct |
19 |
Correct |
9 ms |
13148 KB |
Output is correct |
20 |
Correct |
7 ms |
13148 KB |
Output is correct |
21 |
Correct |
7 ms |
13148 KB |
Output is correct |
22 |
Correct |
7 ms |
13144 KB |
Output is correct |
23 |
Correct |
7 ms |
13148 KB |
Output is correct |
24 |
Correct |
7 ms |
13148 KB |
Output is correct |
25 |
Correct |
7 ms |
13144 KB |
Output is correct |
26 |
Correct |
7 ms |
13148 KB |
Output is correct |
27 |
Correct |
7 ms |
13148 KB |
Output is correct |
28 |
Correct |
7 ms |
13148 KB |
Output is correct |
29 |
Correct |
7 ms |
13148 KB |
Output is correct |
30 |
Correct |
7 ms |
13148 KB |
Output is correct |
31 |
Correct |
7 ms |
13404 KB |
Output is correct |
32 |
Correct |
7 ms |
13144 KB |
Output is correct |
33 |
Correct |
7 ms |
13404 KB |
Output is correct |
34 |
Correct |
18 ms |
16508 KB |
Output is correct |
35 |
Correct |
137 ms |
39292 KB |
Output is correct |
36 |
Correct |
124 ms |
38996 KB |
Output is correct |
37 |
Correct |
122 ms |
39032 KB |
Output is correct |
38 |
Correct |
134 ms |
38728 KB |
Output is correct |
39 |
Correct |
132 ms |
38480 KB |
Output is correct |
40 |
Correct |
105 ms |
36472 KB |
Output is correct |
41 |
Correct |
148 ms |
39272 KB |
Output is correct |
42 |
Correct |
131 ms |
39104 KB |
Output is correct |
43 |
Correct |
136 ms |
44096 KB |
Output is correct |
44 |
Correct |
131 ms |
39456 KB |
Output is correct |
45 |
Correct |
155 ms |
45400 KB |
Output is correct |
46 |
Correct |
127 ms |
38996 KB |
Output is correct |
47 |
Correct |
135 ms |
38984 KB |
Output is correct |
48 |
Correct |
141 ms |
42232 KB |
Output is correct |
49 |
Correct |
58 ms |
25888 KB |
Output is correct |
50 |
Correct |
52 ms |
30548 KB |
Output is correct |
51 |
Correct |
130 ms |
40436 KB |
Output is correct |
52 |
Correct |
161 ms |
48072 KB |
Output is correct |
53 |
Correct |
190 ms |
51616 KB |
Output is correct |
54 |
Correct |
168 ms |
53352 KB |
Output is correct |
55 |
Correct |
128 ms |
43744 KB |
Output is correct |
56 |
Correct |
177 ms |
51808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12888 KB |
Output is correct |
2 |
Correct |
7 ms |
12892 KB |
Output is correct |
3 |
Correct |
8 ms |
12892 KB |
Output is correct |
4 |
Correct |
7 ms |
12892 KB |
Output is correct |
5 |
Correct |
7 ms |
13148 KB |
Output is correct |
6 |
Correct |
8 ms |
13148 KB |
Output is correct |
7 |
Correct |
7 ms |
13196 KB |
Output is correct |
8 |
Correct |
10 ms |
13148 KB |
Output is correct |
9 |
Correct |
92 ms |
33712 KB |
Output is correct |
10 |
Correct |
125 ms |
38332 KB |
Output is correct |
11 |
Correct |
125 ms |
37700 KB |
Output is correct |
12 |
Correct |
151 ms |
39396 KB |
Output is correct |
13 |
Correct |
140 ms |
43096 KB |
Output is correct |
14 |
Correct |
113 ms |
33996 KB |
Output is correct |
15 |
Correct |
252 ms |
42524 KB |
Output is correct |
16 |
Correct |
255 ms |
41856 KB |
Output is correct |
17 |
Correct |
229 ms |
43380 KB |
Output is correct |
18 |
Correct |
388 ms |
47304 KB |
Output is correct |
19 |
Correct |
306 ms |
50132 KB |
Output is correct |
20 |
Correct |
299 ms |
51640 KB |
Output is correct |
21 |
Correct |
311 ms |
50804 KB |
Output is correct |
22 |
Correct |
311 ms |
51508 KB |
Output is correct |
23 |
Correct |
372 ms |
51276 KB |
Output is correct |
24 |
Correct |
403 ms |
49868 KB |
Output is correct |
25 |
Correct |
302 ms |
50948 KB |
Output is correct |
26 |
Correct |
324 ms |
49684 KB |
Output is correct |
27 |
Correct |
9 ms |
13156 KB |
Output is correct |
28 |
Correct |
8 ms |
13148 KB |
Output is correct |
29 |
Correct |
7 ms |
13148 KB |
Output is correct |
30 |
Correct |
7 ms |
13148 KB |
Output is correct |
31 |
Correct |
9 ms |
13148 KB |
Output is correct |
32 |
Correct |
7 ms |
13148 KB |
Output is correct |
33 |
Correct |
7 ms |
13148 KB |
Output is correct |
34 |
Correct |
7 ms |
13144 KB |
Output is correct |
35 |
Correct |
7 ms |
13148 KB |
Output is correct |
36 |
Correct |
18 ms |
16508 KB |
Output is correct |
37 |
Correct |
137 ms |
39292 KB |
Output is correct |
38 |
Correct |
124 ms |
38996 KB |
Output is correct |
39 |
Correct |
122 ms |
39032 KB |
Output is correct |
40 |
Correct |
134 ms |
38728 KB |
Output is correct |
41 |
Correct |
132 ms |
38480 KB |
Output is correct |
42 |
Correct |
105 ms |
36472 KB |
Output is correct |
43 |
Correct |
148 ms |
39272 KB |
Output is correct |
44 |
Correct |
131 ms |
39104 KB |
Output is correct |
45 |
Correct |
136 ms |
44096 KB |
Output is correct |
46 |
Correct |
131 ms |
39456 KB |
Output is correct |
47 |
Correct |
34 ms |
16736 KB |
Output is correct |
48 |
Correct |
240 ms |
43908 KB |
Output is correct |
49 |
Correct |
281 ms |
44024 KB |
Output is correct |
50 |
Correct |
231 ms |
43780 KB |
Output is correct |
51 |
Correct |
262 ms |
43764 KB |
Output is correct |
52 |
Correct |
216 ms |
42204 KB |
Output is correct |
53 |
Correct |
190 ms |
36144 KB |
Output is correct |
54 |
Correct |
251 ms |
44880 KB |
Output is correct |
55 |
Correct |
297 ms |
43868 KB |
Output is correct |
56 |
Correct |
326 ms |
47948 KB |
Output is correct |
57 |
Correct |
271 ms |
44948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
12892 KB |
Output is correct |
2 |
Correct |
7 ms |
12888 KB |
Output is correct |
3 |
Correct |
7 ms |
12892 KB |
Output is correct |
4 |
Correct |
8 ms |
12892 KB |
Output is correct |
5 |
Correct |
7 ms |
12892 KB |
Output is correct |
6 |
Correct |
7 ms |
13148 KB |
Output is correct |
7 |
Correct |
8 ms |
13148 KB |
Output is correct |
8 |
Correct |
7 ms |
13196 KB |
Output is correct |
9 |
Correct |
10 ms |
13148 KB |
Output is correct |
10 |
Correct |
92 ms |
33712 KB |
Output is correct |
11 |
Correct |
125 ms |
38332 KB |
Output is correct |
12 |
Correct |
125 ms |
37700 KB |
Output is correct |
13 |
Correct |
151 ms |
39396 KB |
Output is correct |
14 |
Correct |
140 ms |
43096 KB |
Output is correct |
15 |
Correct |
113 ms |
33996 KB |
Output is correct |
16 |
Correct |
252 ms |
42524 KB |
Output is correct |
17 |
Correct |
255 ms |
41856 KB |
Output is correct |
18 |
Correct |
229 ms |
43380 KB |
Output is correct |
19 |
Correct |
388 ms |
47304 KB |
Output is correct |
20 |
Correct |
306 ms |
50132 KB |
Output is correct |
21 |
Correct |
299 ms |
51640 KB |
Output is correct |
22 |
Correct |
311 ms |
50804 KB |
Output is correct |
23 |
Correct |
311 ms |
51508 KB |
Output is correct |
24 |
Correct |
372 ms |
51276 KB |
Output is correct |
25 |
Correct |
403 ms |
49868 KB |
Output is correct |
26 |
Correct |
302 ms |
50948 KB |
Output is correct |
27 |
Correct |
324 ms |
49684 KB |
Output is correct |
28 |
Correct |
9 ms |
13156 KB |
Output is correct |
29 |
Correct |
8 ms |
13148 KB |
Output is correct |
30 |
Correct |
7 ms |
13148 KB |
Output is correct |
31 |
Correct |
7 ms |
13148 KB |
Output is correct |
32 |
Correct |
9 ms |
13148 KB |
Output is correct |
33 |
Correct |
7 ms |
13148 KB |
Output is correct |
34 |
Correct |
7 ms |
13148 KB |
Output is correct |
35 |
Correct |
7 ms |
13144 KB |
Output is correct |
36 |
Correct |
7 ms |
13148 KB |
Output is correct |
37 |
Correct |
18 ms |
16508 KB |
Output is correct |
38 |
Correct |
137 ms |
39292 KB |
Output is correct |
39 |
Correct |
124 ms |
38996 KB |
Output is correct |
40 |
Correct |
122 ms |
39032 KB |
Output is correct |
41 |
Correct |
134 ms |
38728 KB |
Output is correct |
42 |
Correct |
132 ms |
38480 KB |
Output is correct |
43 |
Correct |
105 ms |
36472 KB |
Output is correct |
44 |
Correct |
148 ms |
39272 KB |
Output is correct |
45 |
Correct |
131 ms |
39104 KB |
Output is correct |
46 |
Correct |
136 ms |
44096 KB |
Output is correct |
47 |
Correct |
131 ms |
39456 KB |
Output is correct |
48 |
Correct |
34 ms |
16736 KB |
Output is correct |
49 |
Correct |
240 ms |
43908 KB |
Output is correct |
50 |
Correct |
281 ms |
44024 KB |
Output is correct |
51 |
Correct |
231 ms |
43780 KB |
Output is correct |
52 |
Correct |
262 ms |
43764 KB |
Output is correct |
53 |
Correct |
216 ms |
42204 KB |
Output is correct |
54 |
Correct |
190 ms |
36144 KB |
Output is correct |
55 |
Correct |
251 ms |
44880 KB |
Output is correct |
56 |
Correct |
297 ms |
43868 KB |
Output is correct |
57 |
Correct |
326 ms |
47948 KB |
Output is correct |
58 |
Correct |
271 ms |
44948 KB |
Output is correct |
59 |
Correct |
97 ms |
22104 KB |
Output is correct |
60 |
Correct |
269 ms |
43728 KB |
Output is correct |
61 |
Correct |
231 ms |
43284 KB |
Output is correct |
62 |
Correct |
303 ms |
44816 KB |
Output is correct |
63 |
Correct |
320 ms |
48732 KB |
Output is correct |
64 |
Correct |
7 ms |
13148 KB |
Output is correct |
65 |
Correct |
7 ms |
13144 KB |
Output is correct |
66 |
Correct |
7 ms |
13148 KB |
Output is correct |
67 |
Correct |
7 ms |
13148 KB |
Output is correct |
68 |
Correct |
7 ms |
13148 KB |
Output is correct |
69 |
Correct |
7 ms |
13148 KB |
Output is correct |
70 |
Correct |
7 ms |
13148 KB |
Output is correct |
71 |
Correct |
7 ms |
13404 KB |
Output is correct |
72 |
Correct |
7 ms |
13144 KB |
Output is correct |
73 |
Correct |
7 ms |
13404 KB |
Output is correct |
74 |
Correct |
155 ms |
45400 KB |
Output is correct |
75 |
Correct |
127 ms |
38996 KB |
Output is correct |
76 |
Correct |
135 ms |
38984 KB |
Output is correct |
77 |
Correct |
141 ms |
42232 KB |
Output is correct |
78 |
Correct |
58 ms |
25888 KB |
Output is correct |
79 |
Correct |
52 ms |
30548 KB |
Output is correct |
80 |
Correct |
130 ms |
40436 KB |
Output is correct |
81 |
Correct |
161 ms |
48072 KB |
Output is correct |
82 |
Correct |
190 ms |
51616 KB |
Output is correct |
83 |
Correct |
168 ms |
53352 KB |
Output is correct |
84 |
Correct |
128 ms |
43744 KB |
Output is correct |
85 |
Correct |
177 ms |
51808 KB |
Output is correct |
86 |
Correct |
77 ms |
25672 KB |
Output is correct |
87 |
Correct |
237 ms |
43864 KB |
Output is correct |
88 |
Correct |
236 ms |
43848 KB |
Output is correct |
89 |
Correct |
320 ms |
45540 KB |
Output is correct |
90 |
Correct |
158 ms |
32176 KB |
Output is correct |
91 |
Correct |
192 ms |
39900 KB |
Output is correct |
92 |
Correct |
285 ms |
44744 KB |
Output is correct |
93 |
Correct |
304 ms |
52340 KB |
Output is correct |
94 |
Correct |
337 ms |
55456 KB |
Output is correct |
95 |
Correct |
301 ms |
57204 KB |
Output is correct |
96 |
Correct |
370 ms |
48344 KB |
Output is correct |
97 |
Correct |
428 ms |
51404 KB |
Output is correct |