oj.uz

Submission #642557

# Submission time Handle Problem Language Result Execution time Memory
642557 2022-09-20T01:05:30 Z ymm Swapping Cities (APIO20_swap) C++17
100 / 100
 176 ms 24348 KB 
#include "swap.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

const int N = 200010;
const int inf = 2e9;
const int lg = 18;
int par[N];
int parw[N];
int sz[N];
int tim[N];
bool pleaf[N];
bool proot[N];
vector<int> A[N];

int root (int v) { return par[v] == -1? v: root(par[v]); }
void unite(int v, int u, int w)
{
	int v0 = v, u0 = u;
	v = root(v);
	u = root(u);
	if (v == u) {
		proot[v] = false;
		tim[v] = min(tim[v], w);
		return;
	}
	if (sz[v] < sz[u]) {
		swap(v, u);
		swap(v0, u0);
	}
	par[u] = v;
	parw[u] = w;
	A[v].push_back(u);
	sz[v] += sz[u];
	if (!proot[v] || !proot[u] || !pleaf[v0] || !pleaf[u0]) {
		proot[v] = false;
		tim[v] = min(tim[v], w);
	}
	if (sz[v] - sz[u] != 1)
		pleaf[v0] = false;
	if (sz[u] != 1)
		pleaf[u0] = false;
}

void init(int n, int m,
          std::vector<int> u, std::vector<int> v, std::vector<int> w) {
	vector<pair<int,pii>> vec;
	Loop (i,0,m)
		vec.push_back({w[i],{v[i],u[i]}});
	fill(par, par+N, -1);
	fill(sz, sz+N, 1);
	fill(tim, tim+N, inf);
	fill(proot, proot+N, true);
	fill(pleaf, pleaf+N, true);
	sort(vec.begin(), vec.end());
	for (auto dard : vec)
		unite(dard.second.first, dard.second.second, dard.first);
}

int height(int v)
{
	int ans = 0;
	while (par[v] != -1) {
		++ans;
		v = par[v];
	}
	return ans;
}

int getMinimumFuelCapacity(int x, int y) {
	int diff = height(y) - height(x);
	int w = 0;
	while (diff > 0) {
		w = max(w, parw[y]);
		y = par[y];
		--diff;
	}
	while (diff < 0) {
		w = max(w, parw[x]);
		x = par[x];
		++diff;
	}
	while (x != y) {
		w = max(w, parw[x]);
		w = max(w, parw[y]);
		x = par[x];
		y = par[y];
	}
	int t = tim[x];
	while (par[x] != -1) {
		t = min(t, max(parw[x], tim[par[x]]));
		x = par[x];
	}
	w = max(w, t);
	return w == inf? -1: w;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 3 ms 7636 KB Output is correct
4 Correct 4 ms 7764 KB Output is correct
5 Correct 5 ms 7764 KB Output is correct
6 Correct 4 ms 7764 KB Output is correct
7 Correct 5 ms 7764 KB Output is correct
8 Correct 4 ms 7704 KB Output is correct
9 Correct 42 ms 12096 KB Output is correct
10 Correct 57 ms 13156 KB Output is correct
11 Correct 50 ms 12884 KB Output is correct
12 Correct 53 ms 13148 KB Output is correct
13 Correct 45 ms 12688 KB Output is correct
14 Correct 48 ms 12180 KB Output is correct
15 Correct 116 ms 14580 KB Output is correct
16 Correct 119 ms 14420 KB Output is correct
17 Correct 115 ms 14744 KB Output is correct
18 Correct 97 ms 14072 KB Output is correct
19 Correct 61 ms 12068 KB Output is correct
20 Correct 120 ms 14824 KB Output is correct
21 Correct 112 ms 15044 KB Output is correct
22 Correct 120 ms 15196 KB Output is correct
23 Correct 97 ms 14556 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 90 ms 14192 KB Output is correct
4 Correct 89 ms 18016 KB Output is correct
5 Correct 93 ms 18440 KB Output is correct
6 Correct 91 ms 17944 KB Output is correct
7 Correct 92 ms 18372 KB Output is correct
8 Correct 92 ms 18072 KB Output is correct
9 Correct 96 ms 18116 KB Output is correct
10 Correct 94 ms 18100 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 3 ms 7636 KB Output is correct
4 Correct 4 ms 7764 KB Output is correct
5 Correct 5 ms 7764 KB Output is correct
6 Correct 4 ms 7764 KB Output is correct
7 Correct 5 ms 7764 KB Output is correct
8 Correct 4 ms 7704 KB Output is correct
9 Correct 4 ms 7636 KB Output is correct
10 Correct 5 ms 7764 KB Output is correct
11 Correct 4 ms 7712 KB Output is correct
12 Correct 5 ms 7704 KB Output is correct
13 Correct 4 ms 7764 KB Output is correct
14 Correct 5 ms 7704 KB Output is correct
15 Correct 4 ms 7764 KB Output is correct
16 Correct 4 ms 7764 KB Output is correct
17 Correct 4 ms 7708 KB Output is correct
18 Correct 4 ms 7708 KB Output is correct
19 Correct 4 ms 7764 KB Output is correct
20 Correct 5 ms 7704 KB Output is correct
21 Correct 5 ms 7764 KB Output is correct
22 Correct 5 ms 7836 KB Output is correct
23 Correct 4 ms 7764 KB Output is correct
24 Correct 4 ms 7836 KB Output is correct
25 Correct 5 ms 7836 KB Output is correct
26 Correct 5 ms 7880 KB Output is correct
27 Correct 5 ms 7764 KB Output is correct
28 Correct 4 ms 7764 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 4 ms 7636 KB Output is correct
4 Correct 3 ms 7636 KB Output is correct
5 Correct 4 ms 7764 KB Output is correct
6 Correct 5 ms 7764 KB Output is correct
7 Correct 4 ms 7764 KB Output is correct
8 Correct 5 ms 7764 KB Output is correct
9 Correct 4 ms 7704 KB Output is correct
10 Correct 42 ms 12096 KB Output is correct
11 Correct 57 ms 13156 KB Output is correct
12 Correct 50 ms 12884 KB Output is correct
13 Correct 53 ms 13148 KB Output is correct
14 Correct 45 ms 12688 KB Output is correct
15 Correct 5 ms 7764 KB Output is correct
16 Correct 4 ms 7712 KB Output is correct
17 Correct 5 ms 7704 KB Output is correct
18 Correct 4 ms 7764 KB Output is correct
19 Correct 5 ms 7704 KB Output is correct
20 Correct 4 ms 7764 KB Output is correct
21 Correct 4 ms 7764 KB Output is correct
22 Correct 4 ms 7708 KB Output is correct
23 Correct 4 ms 7708 KB Output is correct
24 Correct 4 ms 7764 KB Output is correct
25 Correct 5 ms 7704 KB Output is correct
26 Correct 5 ms 7764 KB Output is correct
27 Correct 5 ms 7836 KB Output is correct
28 Correct 4 ms 7764 KB Output is correct
29 Correct 4 ms 7836 KB Output is correct
30 Correct 5 ms 7836 KB Output is correct
31 Correct 5 ms 7880 KB Output is correct
32 Correct 5 ms 7764 KB Output is correct
33 Correct 4 ms 7764 KB Output is correct
34 Correct 10 ms 8688 KB Output is correct
35 Correct 52 ms 14760 KB Output is correct
36 Correct 52 ms 14740 KB Output is correct
37 Correct 52 ms 14784 KB Output is correct
38 Correct 53 ms 14664 KB Output is correct
39 Correct 51 ms 14532 KB Output is correct
40 Correct 46 ms 13980 KB Output is correct
41 Correct 54 ms 15040 KB Output is correct
42 Correct 53 ms 14716 KB Output is correct
43 Correct 45 ms 14220 KB Output is correct
44 Correct 54 ms 14864 KB Output is correct
45 Correct 71 ms 17212 KB Output is correct
46 Correct 50 ms 14784 KB Output is correct
47 Correct 53 ms 14736 KB Output is correct
48 Correct 55 ms 15244 KB Output is correct
49 Correct 64 ms 16256 KB Output is correct
50 Correct 52 ms 14400 KB Output is correct
51 Correct 62 ms 15908 KB Output is correct
52 Correct 80 ms 18512 KB Output is correct
53 Correct 86 ms 19376 KB Output is correct
54 Correct 102 ms 20412 KB Output is correct
55 Correct 52 ms 14256 KB Output is correct
56 Correct 86 ms 18844 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 3 ms 7636 KB Output is correct
4 Correct 4 ms 7764 KB Output is correct
5 Correct 5 ms 7764 KB Output is correct
6 Correct 4 ms 7764 KB Output is correct
7 Correct 5 ms 7764 KB Output is correct
8 Correct 4 ms 7704 KB Output is correct
9 Correct 42 ms 12096 KB Output is correct
10 Correct 57 ms 13156 KB Output is correct
11 Correct 50 ms 12884 KB Output is correct
12 Correct 53 ms 13148 KB Output is correct
13 Correct 45 ms 12688 KB Output is correct
14 Correct 48 ms 12180 KB Output is correct
15 Correct 116 ms 14580 KB Output is correct
16 Correct 119 ms 14420 KB Output is correct
17 Correct 115 ms 14744 KB Output is correct
18 Correct 97 ms 14072 KB Output is correct
19 Correct 90 ms 14192 KB Output is correct
20 Correct 89 ms 18016 KB Output is correct
21 Correct 93 ms 18440 KB Output is correct
22 Correct 91 ms 17944 KB Output is correct
23 Correct 92 ms 18372 KB Output is correct
24 Correct 92 ms 18072 KB Output is correct
25 Correct 96 ms 18116 KB Output is correct
26 Correct 94 ms 18100 KB Output is correct
27 Correct 5 ms 7764 KB Output is correct
28 Correct 4 ms 7712 KB Output is correct
29 Correct 5 ms 7704 KB Output is correct
30 Correct 4 ms 7764 KB Output is correct
31 Correct 5 ms 7704 KB Output is correct
32 Correct 4 ms 7764 KB Output is correct
33 Correct 4 ms 7764 KB Output is correct
34 Correct 4 ms 7708 KB Output is correct
35 Correct 4 ms 7708 KB Output is correct
36 Correct 10 ms 8688 KB Output is correct
37 Correct 52 ms 14760 KB Output is correct
38 Correct 52 ms 14740 KB Output is correct
39 Correct 52 ms 14784 KB Output is correct
40 Correct 53 ms 14664 KB Output is correct
41 Correct 51 ms 14532 KB Output is correct
42 Correct 46 ms 13980 KB Output is correct
43 Correct 54 ms 15040 KB Output is correct
44 Correct 53 ms 14716 KB Output is correct
45 Correct 45 ms 14220 KB Output is correct
46 Correct 54 ms 14864 KB Output is correct
47 Correct 15 ms 9012 KB Output is correct
48 Correct 116 ms 18632 KB Output is correct
49 Correct 115 ms 18624 KB Output is correct
50 Correct 113 ms 18600 KB Output is correct
51 Correct 110 ms 18552 KB Output is correct
52 Correct 111 ms 18192 KB Output is correct
53 Correct 100 ms 17652 KB Output is correct
54 Correct 122 ms 19412 KB Output is correct
55 Correct 124 ms 18624 KB Output is correct
56 Correct 102 ms 18136 KB Output is correct
57 Correct 120 ms 19148 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Correct 4 ms 7636 KB Output is correct
3 Correct 4 ms 7636 KB Output is correct
4 Correct 3 ms 7636 KB Output is correct
5 Correct 4 ms 7764 KB Output is correct
6 Correct 5 ms 7764 KB Output is correct
7 Correct 4 ms 7764 KB Output is correct
8 Correct 5 ms 7764 KB Output is correct
9 Correct 4 ms 7704 KB Output is correct
10 Correct 42 ms 12096 KB Output is correct
11 Correct 57 ms 13156 KB Output is correct
12 Correct 50 ms 12884 KB Output is correct
13 Correct 53 ms 13148 KB Output is correct
14 Correct 45 ms 12688 KB Output is correct
15 Correct 48 ms 12180 KB Output is correct
16 Correct 116 ms 14580 KB Output is correct
17 Correct 119 ms 14420 KB Output is correct
18 Correct 115 ms 14744 KB Output is correct
19 Correct 97 ms 14072 KB Output is correct
20 Correct 90 ms 14192 KB Output is correct
21 Correct 89 ms 18016 KB Output is correct
22 Correct 93 ms 18440 KB Output is correct
23 Correct 91 ms 17944 KB Output is correct
24 Correct 92 ms 18372 KB Output is correct
25 Correct 92 ms 18072 KB Output is correct
26 Correct 96 ms 18116 KB Output is correct
27 Correct 94 ms 18100 KB Output is correct
28 Correct 5 ms 7764 KB Output is correct
29 Correct 4 ms 7712 KB Output is correct
30 Correct 5 ms 7704 KB Output is correct
31 Correct 4 ms 7764 KB Output is correct
32 Correct 5 ms 7704 KB Output is correct
33 Correct 4 ms 7764 KB Output is correct
34 Correct 4 ms 7764 KB Output is correct
35 Correct 4 ms 7708 KB Output is correct
36 Correct 4 ms 7708 KB Output is correct
37 Correct 10 ms 8688 KB Output is correct
38 Correct 52 ms 14760 KB Output is correct
39 Correct 52 ms 14740 KB Output is correct
40 Correct 52 ms 14784 KB Output is correct
41 Correct 53 ms 14664 KB Output is correct
42 Correct 51 ms 14532 KB Output is correct
43 Correct 46 ms 13980 KB Output is correct
44 Correct 54 ms 15040 KB Output is correct
45 Correct 53 ms 14716 KB Output is correct
46 Correct 45 ms 14220 KB Output is correct
47 Correct 54 ms 14864 KB Output is correct
48 Correct 15 ms 9012 KB Output is correct
49 Correct 116 ms 18632 KB Output is correct
50 Correct 115 ms 18624 KB Output is correct
51 Correct 113 ms 18600 KB Output is correct
52 Correct 110 ms 18552 KB Output is correct
53 Correct 111 ms 18192 KB Output is correct
54 Correct 100 ms 17652 KB Output is correct
55 Correct 122 ms 19412 KB Output is correct
56 Correct 124 ms 18624 KB Output is correct
57 Correct 102 ms 18136 KB Output is correct
58 Correct 120 ms 19148 KB Output is correct
59 Correct 61 ms 12068 KB Output is correct
60 Correct 120 ms 14824 KB Output is correct
61 Correct 112 ms 15044 KB Output is correct
62 Correct 120 ms 15196 KB Output is correct
63 Correct 97 ms 14556 KB Output is correct
64 Correct 4 ms 7764 KB Output is correct
65 Correct 5 ms 7704 KB Output is correct
66 Correct 5 ms 7764 KB Output is correct
67 Correct 5 ms 7836 KB Output is correct
68 Correct 4 ms 7764 KB Output is correct
69 Correct 4 ms 7836 KB Output is correct
70 Correct 5 ms 7836 KB Output is correct
71 Correct 5 ms 7880 KB Output is correct
72 Correct 5 ms 7764 KB Output is correct
73 Correct 4 ms 7764 KB Output is correct
74 Correct 71 ms 17212 KB Output is correct
75 Correct 50 ms 14784 KB Output is correct
76 Correct 53 ms 14736 KB Output is correct
77 Correct 55 ms 15244 KB Output is correct
78 Correct 64 ms 16256 KB Output is correct
79 Correct 52 ms 14400 KB Output is correct
80 Correct 62 ms 15908 KB Output is correct
81 Correct 80 ms 18512 KB Output is correct
82 Correct 86 ms 19376 KB Output is correct
83 Correct 102 ms 20412 KB Output is correct
84 Correct 52 ms 14256 KB Output is correct
85 Correct 86 ms 18844 KB Output is correct
86 Correct 42 ms 11884 KB Output is correct
87 Correct 115 ms 18608 KB Output is correct
88 Correct 112 ms 18624 KB Output is correct
89 Correct 107 ms 18648 KB Output is correct
90 Correct 127 ms 19988 KB Output is correct
91 Correct 125 ms 19528 KB Output is correct
92 Correct 128 ms 19380 KB Output is correct
93 Correct 141 ms 22188 KB Output is correct
94 Correct 150 ms 23180 KB Output is correct
95 Correct 176 ms 24348 KB Output is correct
96 Correct 101 ms 18152 KB Output is correct
97 Correct 129 ms 20756 KB Output is correct