oj.uz

Submission #743684

# Submission time Handle Problem Language Result Execution time Memory
743684 2023-05-17T17:26:22 Z RushB Swapping Cities (APIO20_swap) C++17
30 / 100
 487 ms 47732 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);
}
int ans2(int X, int Y) {
	for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i] && ext[pr[X][i]] >= INF) Y = pr[Y][i], X = pr[X][i];
	return max(Wtmp[pr[X][0] - M], ext[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 = ans2(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));
	return w >= INF ? -1 : w;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12756 KB Output is correct
2 Correct 6 ms 12756 KB Output is correct
3 Correct 7 ms 12756 KB Output is correct
4 Correct 7 ms 12884 KB Output is correct
5 Correct 8 ms 13012 KB Output is correct
6 Correct 7 ms 13012 KB Output is correct
7 Correct 10 ms 13012 KB Output is correct
8 Correct 7 ms 13140 KB Output is correct
9 Correct 103 ms 31868 KB Output is correct
10 Correct 121 ms 36052 KB Output is correct
11 Correct 137 ms 35788 KB Output is correct
12 Correct 161 ms 37120 KB Output is correct
13 Correct 149 ms 41048 KB Output is correct
14 Correct 113 ms 32004 KB Output is correct
15 Correct 267 ms 38108 KB Output is correct
16 Correct 262 ms 37428 KB Output is correct
17 Correct 286 ms 38876 KB Output is correct
18 Correct 430 ms 42732 KB Output is correct
19 Incorrect 108 ms 19336 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12756 KB Output is correct
2 Correct 6 ms 12756 KB Output is correct
3 Correct 441 ms 46224 KB Output is correct
4 Correct 421 ms 47732 KB Output is correct
5 Correct 437 ms 46848 KB Output is correct
6 Correct 435 ms 47544 KB Output is correct
7 Correct 419 ms 47300 KB Output is correct
8 Correct 391 ms 46012 KB Output is correct
9 Correct 415 ms 46976 KB Output is correct
10 Correct 394 ms 45716 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12756 KB Output is correct
2 Correct 6 ms 12756 KB Output is correct
3 Correct 7 ms 12756 KB Output is correct
4 Correct 7 ms 12884 KB Output is correct
5 Correct 8 ms 13012 KB Output is correct
6 Correct 7 ms 13012 KB Output is correct
7 Correct 10 ms 13012 KB Output is correct
8 Correct 7 ms 13140 KB Output is correct
9 Correct 7 ms 12764 KB Output is correct
10 Correct 7 ms 13012 KB Output is correct
11 Correct 8 ms 13012 KB Output is correct
12 Correct 7 ms 13112 KB Output is correct
13 Correct 8 ms 13012 KB Output is correct
14 Correct 8 ms 13020 KB Output is correct
15 Correct 8 ms 13012 KB Output is correct
16 Correct 8 ms 13056 KB Output is correct
17 Correct 8 ms 13140 KB Output is correct
18 Correct 7 ms 13012 KB Output is correct
19 Incorrect 7 ms 13012 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12764 KB Output is correct
2 Correct 8 ms 12756 KB Output is correct
3 Correct 6 ms 12756 KB Output is correct
4 Correct 7 ms 12756 KB Output is correct
5 Correct 7 ms 12884 KB Output is correct
6 Correct 8 ms 13012 KB Output is correct
7 Correct 7 ms 13012 KB Output is correct
8 Correct 10 ms 13012 KB Output is correct
9 Correct 7 ms 13140 KB Output is correct
10 Correct 103 ms 31868 KB Output is correct
11 Correct 121 ms 36052 KB Output is correct
12 Correct 137 ms 35788 KB Output is correct
13 Correct 161 ms 37120 KB Output is correct
14 Correct 149 ms 41048 KB Output is correct
15 Correct 7 ms 13012 KB Output is correct
16 Correct 8 ms 13012 KB Output is correct
17 Correct 7 ms 13112 KB Output is correct
18 Correct 8 ms 13012 KB Output is correct
19 Correct 8 ms 13020 KB Output is correct
20 Correct 8 ms 13012 KB Output is correct
21 Correct 8 ms 13056 KB Output is correct
22 Correct 8 ms 13140 KB Output is correct
23 Correct 7 ms 13012 KB Output is correct
24 Incorrect 7 ms 13012 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12756 KB Output is correct
2 Correct 6 ms 12756 KB Output is correct
3 Correct 7 ms 12756 KB Output is correct
4 Correct 7 ms 12884 KB Output is correct
5 Correct 8 ms 13012 KB Output is correct
6 Correct 7 ms 13012 KB Output is correct
7 Correct 10 ms 13012 KB Output is correct
8 Correct 7 ms 13140 KB Output is correct
9 Correct 103 ms 31868 KB Output is correct
10 Correct 121 ms 36052 KB Output is correct
11 Correct 137 ms 35788 KB Output is correct
12 Correct 161 ms 37120 KB Output is correct
13 Correct 149 ms 41048 KB Output is correct
14 Correct 113 ms 32004 KB Output is correct
15 Correct 267 ms 38108 KB Output is correct
16 Correct 262 ms 37428 KB Output is correct
17 Correct 286 ms 38876 KB Output is correct
18 Correct 430 ms 42732 KB Output is correct
19 Correct 441 ms 46224 KB Output is correct
20 Correct 421 ms 47732 KB Output is correct
21 Correct 437 ms 46848 KB Output is correct
22 Correct 435 ms 47544 KB Output is correct
23 Correct 419 ms 47300 KB Output is correct
24 Correct 391 ms 46012 KB Output is correct
25 Correct 415 ms 46976 KB Output is correct
26 Correct 394 ms 45716 KB Output is correct
27 Correct 7 ms 13012 KB Output is correct
28 Correct 8 ms 13012 KB Output is correct
29 Correct 7 ms 13112 KB Output is correct
30 Correct 8 ms 13012 KB Output is correct
31 Correct 8 ms 13020 KB Output is correct
32 Correct 8 ms 13012 KB Output is correct
33 Correct 8 ms 13056 KB Output is correct
34 Correct 8 ms 13140 KB Output is correct
35 Correct 7 ms 13012 KB Output is correct
36 Correct 18 ms 16236 KB Output is correct
37 Correct 123 ms 37068 KB Output is correct
38 Correct 122 ms 37064 KB Output is correct
39 Correct 140 ms 37104 KB Output is correct
40 Correct 135 ms 36728 KB Output is correct
41 Correct 131 ms 36592 KB Output is correct
42 Correct 122 ms 34740 KB Output is correct
43 Correct 160 ms 37132 KB Output is correct
44 Correct 121 ms 37068 KB Output is correct
45 Correct 150 ms 42236 KB Output is correct
46 Correct 137 ms 37080 KB Output is correct
47 Correct 35 ms 16128 KB Output is correct
48 Correct 265 ms 39716 KB Output is correct
49 Correct 279 ms 39680 KB Output is correct
50 Correct 267 ms 39552 KB Output is correct
51 Correct 280 ms 39416 KB Output is correct
52 Correct 274 ms 38088 KB Output is correct
53 Correct 252 ms 32612 KB Output is correct
54 Correct 280 ms 40228 KB Output is correct
55 Correct 307 ms 39808 KB Output is correct
56 Correct 487 ms 43700 KB Output is correct
57 Correct 316 ms 40328 KB Output is correct

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12764 KB Output is correct
2 Correct 8 ms 12756 KB Output is correct
3 Correct 6 ms 12756 KB Output is correct
4 Correct 7 ms 12756 KB Output is correct
5 Correct 7 ms 12884 KB Output is correct
6 Correct 8 ms 13012 KB Output is correct
7 Correct 7 ms 13012 KB Output is correct
8 Correct 10 ms 13012 KB Output is correct
9 Correct 7 ms 13140 KB Output is correct
10 Correct 103 ms 31868 KB Output is correct
11 Correct 121 ms 36052 KB Output is correct
12 Correct 137 ms 35788 KB Output is correct
13 Correct 161 ms 37120 KB Output is correct
14 Correct 149 ms 41048 KB Output is correct
15 Correct 113 ms 32004 KB Output is correct
16 Correct 267 ms 38108 KB Output is correct
17 Correct 262 ms 37428 KB Output is correct
18 Correct 286 ms 38876 KB Output is correct
19 Correct 430 ms 42732 KB Output is correct
20 Correct 441 ms 46224 KB Output is correct
21 Correct 421 ms 47732 KB Output is correct
22 Correct 437 ms 46848 KB Output is correct
23 Correct 435 ms 47544 KB Output is correct
24 Correct 419 ms 47300 KB Output is correct
25 Correct 391 ms 46012 KB Output is correct
26 Correct 415 ms 46976 KB Output is correct
27 Correct 394 ms 45716 KB Output is correct
28 Correct 7 ms 13012 KB Output is correct
29 Correct 8 ms 13012 KB Output is correct
30 Correct 7 ms 13112 KB Output is correct
31 Correct 8 ms 13012 KB Output is correct
32 Correct 8 ms 13020 KB Output is correct
33 Correct 8 ms 13012 KB Output is correct
34 Correct 8 ms 13056 KB Output is correct
35 Correct 8 ms 13140 KB Output is correct
36 Correct 7 ms 13012 KB Output is correct
37 Correct 18 ms 16236 KB Output is correct
38 Correct 123 ms 37068 KB Output is correct
39 Correct 122 ms 37064 KB Output is correct
40 Correct 140 ms 37104 KB Output is correct
41 Correct 135 ms 36728 KB Output is correct
42 Correct 131 ms 36592 KB Output is correct
43 Correct 122 ms 34740 KB Output is correct
44 Correct 160 ms 37132 KB Output is correct
45 Correct 121 ms 37068 KB Output is correct
46 Correct 150 ms 42236 KB Output is correct
47 Correct 137 ms 37080 KB Output is correct
48 Correct 35 ms 16128 KB Output is correct
49 Correct 265 ms 39716 KB Output is correct
50 Correct 279 ms 39680 KB Output is correct
51 Correct 267 ms 39552 KB Output is correct
52 Correct 280 ms 39416 KB Output is correct
53 Correct 274 ms 38088 KB Output is correct
54 Correct 252 ms 32612 KB Output is correct
55 Correct 280 ms 40228 KB Output is correct
56 Correct 307 ms 39808 KB Output is correct
57 Correct 487 ms 43700 KB Output is correct
58 Correct 316 ms 40328 KB Output is correct
59 Incorrect 108 ms 19336 KB Output isn't correct
60 Halted 0 ms 0 KB -