oj.uz

Submission #743655

# Submission time Handle Problem Language Result Execution time Memory
743655 2023-05-17T15:32:18 Z RushB Swapping Cities (APIO20_swap) C++17
36 / 100
 444 ms 50348 KB 
//happier ending for folks like us? 
//yani in AC nashe, yak yak kesaii ke in APIO dadan dast ma
#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);
}
inline bool check(int O) {return D[O] > 2 || ext[O] < INF;}
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])];
	for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i] || !check(pr[X][i])) {
		Y = pr[Y][i], X = pr[X][i];
	}
	int lca = pr[X][0], w = Wtmp[lca - M];
	if (D[lca] > 2) return w;
	w = max(w, ext[lca]);
	return w >= INF ? -1 : w;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12756 KB Output is correct
2 Correct 8 ms 12884 KB Output is correct
3 Correct 8 ms 12884 KB Output is correct
4 Correct 10 ms 12884 KB Output is correct
5 Correct 8 ms 13040 KB Output is correct
6 Correct 10 ms 13044 KB Output is correct
7 Correct 11 ms 13140 KB Output is correct
8 Correct 8 ms 13052 KB Output is correct
9 Correct 106 ms 32464 KB Output is correct
10 Correct 151 ms 36824 KB Output is correct
11 Correct 162 ms 36300 KB Output is correct
12 Correct 143 ms 37772 KB Output is correct
13 Correct 185 ms 41776 KB Output is correct
14 Correct 119 ms 32772 KB Output is correct
15 Correct 246 ms 39140 KB Output is correct
16 Correct 259 ms 38448 KB Output is correct
17 Correct 274 ms 39976 KB Output is correct
18 Correct 368 ms 43760 KB Output is correct
19 Correct 109 ms 20800 KB Output is correct
20 Correct 255 ms 42848 KB Output is correct
21 Correct 265 ms 42184 KB Output is correct
22 Correct 288 ms 43692 KB Output is correct
23 Correct 441 ms 47596 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12756 KB Output is correct
2 Correct 8 ms 12884 KB Output is correct
3 Correct 409 ms 47304 KB Output is correct
4 Correct 444 ms 50348 KB Output is correct
5 Correct 386 ms 49632 KB Output is correct
6 Correct 369 ms 50156 KB Output is correct
7 Correct 399 ms 50000 KB Output is correct
8 Correct 432 ms 48824 KB Output is correct
9 Correct 424 ms 49688 KB Output is correct
10 Correct 390 ms 48324 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12756 KB Output is correct
2 Correct 8 ms 12884 KB Output is correct
3 Correct 8 ms 12884 KB Output is correct
4 Correct 10 ms 12884 KB Output is correct
5 Correct 8 ms 13040 KB Output is correct
6 Correct 10 ms 13044 KB Output is correct
7 Correct 11 ms 13140 KB Output is correct
8 Correct 8 ms 13052 KB Output is correct
9 Correct 8 ms 12884 KB Output is correct
10 Correct 8 ms 13064 KB Output is correct
11 Correct 10 ms 13012 KB Output is correct
12 Correct 8 ms 13040 KB Output is correct
13 Correct 8 ms 13036 KB Output is correct
14 Correct 8 ms 13040 KB Output is correct
15 Correct 8 ms 13012 KB Output is correct
16 Correct 8 ms 13012 KB Output is correct
17 Correct 9 ms 13168 KB Output is correct
18 Correct 8 ms 13044 KB Output is correct
19 Correct 8 ms 13012 KB Output is correct
20 Correct 8 ms 13012 KB Output is correct
21 Correct 8 ms 13140 KB Output is correct
22 Correct 8 ms 13140 KB Output is correct
23 Correct 8 ms 12968 KB Output is correct
24 Incorrect 8 ms 13140 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12884 KB Output is correct
2 Correct 7 ms 12756 KB Output is correct
3 Correct 8 ms 12884 KB Output is correct
4 Correct 8 ms 12884 KB Output is correct
5 Correct 10 ms 12884 KB Output is correct
6 Correct 8 ms 13040 KB Output is correct
7 Correct 10 ms 13044 KB Output is correct
8 Correct 11 ms 13140 KB Output is correct
9 Correct 8 ms 13052 KB Output is correct
10 Correct 106 ms 32464 KB Output is correct
11 Correct 151 ms 36824 KB Output is correct
12 Correct 162 ms 36300 KB Output is correct
13 Correct 143 ms 37772 KB Output is correct
14 Correct 185 ms 41776 KB Output is correct
15 Correct 8 ms 13064 KB Output is correct
16 Correct 10 ms 13012 KB Output is correct
17 Correct 8 ms 13040 KB Output is correct
18 Correct 8 ms 13036 KB Output is correct
19 Correct 8 ms 13040 KB Output is correct
20 Correct 8 ms 13012 KB Output is correct
21 Correct 8 ms 13012 KB Output is correct
22 Correct 9 ms 13168 KB Output is correct
23 Correct 8 ms 13044 KB Output is correct
24 Correct 8 ms 13012 KB Output is correct
25 Correct 8 ms 13012 KB Output is correct
26 Correct 8 ms 13140 KB Output is correct
27 Correct 8 ms 13140 KB Output is correct
28 Correct 8 ms 12968 KB Output is correct
29 Incorrect 8 ms 13140 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12756 KB Output is correct
2 Correct 8 ms 12884 KB Output is correct
3 Correct 8 ms 12884 KB Output is correct
4 Correct 10 ms 12884 KB Output is correct
5 Correct 8 ms 13040 KB Output is correct
6 Correct 10 ms 13044 KB Output is correct
7 Correct 11 ms 13140 KB Output is correct
8 Correct 8 ms 13052 KB Output is correct
9 Correct 106 ms 32464 KB Output is correct
10 Correct 151 ms 36824 KB Output is correct
11 Correct 162 ms 36300 KB Output is correct
12 Correct 143 ms 37772 KB Output is correct
13 Correct 185 ms 41776 KB Output is correct
14 Correct 119 ms 32772 KB Output is correct
15 Correct 246 ms 39140 KB Output is correct
16 Correct 259 ms 38448 KB Output is correct
17 Correct 274 ms 39976 KB Output is correct
18 Correct 368 ms 43760 KB Output is correct
19 Correct 409 ms 47304 KB Output is correct
20 Correct 444 ms 50348 KB Output is correct
21 Correct 386 ms 49632 KB Output is correct
22 Correct 369 ms 50156 KB Output is correct
23 Correct 399 ms 50000 KB Output is correct
24 Correct 432 ms 48824 KB Output is correct
25 Correct 424 ms 49688 KB Output is correct
26 Correct 390 ms 48324 KB Output is correct
27 Correct 8 ms 13064 KB Output is correct
28 Correct 10 ms 13012 KB Output is correct
29 Correct 8 ms 13040 KB Output is correct
30 Correct 8 ms 13036 KB Output is correct
31 Correct 8 ms 13040 KB Output is correct
32 Correct 8 ms 13012 KB Output is correct
33 Correct 8 ms 13012 KB Output is correct
34 Correct 9 ms 13168 KB Output is correct
35 Correct 8 ms 13044 KB Output is correct
36 Correct 18 ms 16340 KB Output is correct
37 Correct 136 ms 38956 KB Output is correct
38 Correct 130 ms 38888 KB Output is correct
39 Correct 143 ms 39016 KB Output is correct
40 Correct 132 ms 38504 KB Output is correct
41 Correct 125 ms 38464 KB Output is correct
42 Correct 118 ms 36320 KB Output is correct
43 Correct 150 ms 39128 KB Output is correct
44 Correct 127 ms 38860 KB Output is correct
45 Correct 150 ms 44020 KB Output is correct
46 Correct 133 ms 39320 KB Output is correct
47 Correct 27 ms 16588 KB Output is correct
48 Correct 238 ms 43828 KB Output is correct
49 Correct 269 ms 43840 KB Output is correct
50 Correct 246 ms 43868 KB Output is correct
51 Correct 282 ms 43636 KB Output is correct
52 Correct 233 ms 42060 KB Output is correct
53 Correct 240 ms 36132 KB Output is correct
54 Correct 248 ms 44620 KB Output is correct
55 Correct 243 ms 43764 KB Output is correct
56 Correct 408 ms 47788 KB Output is correct
57 Correct 274 ms 44748 KB Output is correct

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12884 KB Output is correct
2 Correct 7 ms 12756 KB Output is correct
3 Correct 8 ms 12884 KB Output is correct
4 Correct 8 ms 12884 KB Output is correct
5 Correct 10 ms 12884 KB Output is correct
6 Correct 8 ms 13040 KB Output is correct
7 Correct 10 ms 13044 KB Output is correct
8 Correct 11 ms 13140 KB Output is correct
9 Correct 8 ms 13052 KB Output is correct
10 Correct 106 ms 32464 KB Output is correct
11 Correct 151 ms 36824 KB Output is correct
12 Correct 162 ms 36300 KB Output is correct
13 Correct 143 ms 37772 KB Output is correct
14 Correct 185 ms 41776 KB Output is correct
15 Correct 119 ms 32772 KB Output is correct
16 Correct 246 ms 39140 KB Output is correct
17 Correct 259 ms 38448 KB Output is correct
18 Correct 274 ms 39976 KB Output is correct
19 Correct 368 ms 43760 KB Output is correct
20 Correct 409 ms 47304 KB Output is correct
21 Correct 444 ms 50348 KB Output is correct
22 Correct 386 ms 49632 KB Output is correct
23 Correct 369 ms 50156 KB Output is correct
24 Correct 399 ms 50000 KB Output is correct
25 Correct 432 ms 48824 KB Output is correct
26 Correct 424 ms 49688 KB Output is correct
27 Correct 390 ms 48324 KB Output is correct
28 Correct 8 ms 13064 KB Output is correct
29 Correct 10 ms 13012 KB Output is correct
30 Correct 8 ms 13040 KB Output is correct
31 Correct 8 ms 13036 KB Output is correct
32 Correct 8 ms 13040 KB Output is correct
33 Correct 8 ms 13012 KB Output is correct
34 Correct 8 ms 13012 KB Output is correct
35 Correct 9 ms 13168 KB Output is correct
36 Correct 8 ms 13044 KB Output is correct
37 Correct 18 ms 16340 KB Output is correct
38 Correct 136 ms 38956 KB Output is correct
39 Correct 130 ms 38888 KB Output is correct
40 Correct 143 ms 39016 KB Output is correct
41 Correct 132 ms 38504 KB Output is correct
42 Correct 125 ms 38464 KB Output is correct
43 Correct 118 ms 36320 KB Output is correct
44 Correct 150 ms 39128 KB Output is correct
45 Correct 127 ms 38860 KB Output is correct
46 Correct 150 ms 44020 KB Output is correct
47 Correct 133 ms 39320 KB Output is correct
48 Correct 27 ms 16588 KB Output is correct
49 Correct 238 ms 43828 KB Output is correct
50 Correct 269 ms 43840 KB Output is correct
51 Correct 246 ms 43868 KB Output is correct
52 Correct 282 ms 43636 KB Output is correct
53 Correct 233 ms 42060 KB Output is correct
54 Correct 240 ms 36132 KB Output is correct
55 Correct 248 ms 44620 KB Output is correct
56 Correct 243 ms 43764 KB Output is correct
57 Correct 408 ms 47788 KB Output is correct
58 Correct 274 ms 44748 KB Output is correct
59 Correct 109 ms 20800 KB Output is correct
60 Correct 255 ms 42848 KB Output is correct
61 Correct 265 ms 42184 KB Output is correct
62 Correct 288 ms 43692 KB Output is correct
63 Correct 441 ms 47596 KB Output is correct
64 Correct 8 ms 13012 KB Output is correct
65 Correct 8 ms 13012 KB Output is correct
66 Correct 8 ms 13140 KB Output is correct
67 Correct 8 ms 13140 KB Output is correct
68 Correct 8 ms 12968 KB Output is correct
69 Incorrect 8 ms 13140 KB Output isn't correct
70 Halted 0 ms 0 KB -