oj.uz

Submission #675792

# Submission time Handle Problem Language Result Execution time Memory
675792 2022-12-27T22:38:58 Z Vahe Swapping Cities (APIO20_swap) C++17
100 / 100
 272 ms 17848 KB 
#include "swap.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <climits>
using namespace std;
int n, m;
vector<int> u_, v_, w, ver, var, par, P, p, her, sizes;

int get(int u)
{
    if (u == par[u]) return u;
    return get(par[u]);
}

void union_chains(int u, int v, int w)
{
    int a = get(u), b = get(v);
    if (a == b)
    {
        P[a] = min(P[a], w);
        return;
    }
    if (sizes[a] < sizes[b]) swap(a, b), swap(u, v);
    sizes[a] += sizes[b];
    par[b] = a;
    her[b] = max(her[b], w);
    if      (u == ver[a] && v == ver[b]) ver[a] = var[b];
    else if (u == ver[a] && v == var[b]) ver[a] = ver[b];
    else if (u == var[a] && v == ver[b]) var[a] = var[b];
    else if (u == var[a] && v == var[b]) var[a] = ver[b];
    else ver[a] = -1, var[a] = -1, P[a] = min(P[a], w);
}

int go(int u, int w)
{
    if (par[u] == u || her[u] > w) return u;
    return go(par[u], w);
}

void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
    n = N, m = M;
    vector<pair<int, pair<int, int>>> kox;
    for (int i = 0; i < m; i++) kox.push_back({ W[i], {U[i], V[i]} });
    sort(kox.begin(), kox.end());
    ver = var = par = sizes = P = her = p = vector<int>(n);
    for (int i = 0; i < n; i++) ver[i] = var[i] = par[i] = p[i] = i, sizes[i] = 1, her[i] = -1, P[i] = INT_MAX;
    for (int i = 0; i < m; i++)
    {
        int u = kox[i].second.first, v = kox[i].second.second;
        union_chains(u, v, kox[i].first);
    }
}

int getMinimumFuelCapacity(int X, int Y) {
    long long l = 0, r = 2e9;
    while (l + 1 < r)
    {
        int mij = l + (r - l) / 2;
        int a = go(X, mij), b = go(Y, mij);
        if (a == b && P[a] <= mij) r = mij;
        else l = mij;
    }
    return r == 2e9 ? -1 : r;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 35 ms 5192 KB Output is correct
10 Correct 42 ms 6208 KB Output is correct
11 Correct 45 ms 6136 KB Output is correct
12 Correct 44 ms 6452 KB Output is correct
13 Correct 44 ms 6460 KB Output is correct
14 Correct 46 ms 5316 KB Output is correct
15 Correct 171 ms 7840 KB Output is correct
16 Correct 169 ms 7664 KB Output is correct
17 Correct 188 ms 8116 KB Output is correct
18 Correct 119 ms 8120 KB Output is correct
19 Correct 122 ms 4516 KB Output is correct
20 Correct 244 ms 8096 KB Output is correct
21 Correct 214 ms 8260 KB Output is correct
22 Correct 225 ms 8600 KB Output is correct
23 Correct 133 ms 8472 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 135 ms 8068 KB Output is correct
4 Correct 135 ms 8204 KB Output is correct
5 Correct 145 ms 8392 KB Output is correct
6 Correct 150 ms 8144 KB Output is correct
7 Correct 138 ms 8380 KB Output is correct
8 Correct 135 ms 8112 KB Output is correct
9 Correct 138 ms 8160 KB Output is correct
10 Correct 136 ms 8136 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 312 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 456 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 35 ms 5192 KB Output is correct
11 Correct 42 ms 6208 KB Output is correct
12 Correct 45 ms 6136 KB Output is correct
13 Correct 44 ms 6452 KB Output is correct
14 Correct 44 ms 6460 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 312 KB Output is correct
34 Correct 6 ms 1428 KB Output is correct
35 Correct 42 ms 8360 KB Output is correct
36 Correct 44 ms 8360 KB Output is correct
37 Correct 43 ms 8348 KB Output is correct
38 Correct 41 ms 8256 KB Output is correct
39 Correct 45 ms 8212 KB Output is correct
40 Correct 38 ms 7480 KB Output is correct
41 Correct 45 ms 8604 KB Output is correct
42 Correct 42 ms 8368 KB Output is correct
43 Correct 40 ms 8364 KB Output is correct
44 Correct 44 ms 8612 KB Output is correct
45 Correct 64 ms 10688 KB Output is correct
46 Correct 41 ms 8368 KB Output is correct
47 Correct 41 ms 8256 KB Output is correct
48 Correct 46 ms 8884 KB Output is correct
49 Correct 62 ms 9932 KB Output is correct
50 Correct 51 ms 7064 KB Output is correct
51 Correct 55 ms 9152 KB Output is correct
52 Correct 74 ms 12028 KB Output is correct
53 Correct 78 ms 13116 KB Output is correct
54 Correct 88 ms 14004 KB Output is correct
55 Correct 41 ms 8348 KB Output is correct
56 Correct 74 ms 12660 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 35 ms 5192 KB Output is correct
10 Correct 42 ms 6208 KB Output is correct
11 Correct 45 ms 6136 KB Output is correct
12 Correct 44 ms 6452 KB Output is correct
13 Correct 44 ms 6460 KB Output is correct
14 Correct 46 ms 5316 KB Output is correct
15 Correct 171 ms 7840 KB Output is correct
16 Correct 169 ms 7664 KB Output is correct
17 Correct 188 ms 8116 KB Output is correct
18 Correct 119 ms 8120 KB Output is correct
19 Correct 135 ms 8068 KB Output is correct
20 Correct 135 ms 8204 KB Output is correct
21 Correct 145 ms 8392 KB Output is correct
22 Correct 150 ms 8144 KB Output is correct
23 Correct 138 ms 8380 KB Output is correct
24 Correct 135 ms 8112 KB Output is correct
25 Correct 138 ms 8160 KB Output is correct
26 Correct 136 ms 8136 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 6 ms 1428 KB Output is correct
37 Correct 42 ms 8360 KB Output is correct
38 Correct 44 ms 8360 KB Output is correct
39 Correct 43 ms 8348 KB Output is correct
40 Correct 41 ms 8256 KB Output is correct
41 Correct 45 ms 8212 KB Output is correct
42 Correct 38 ms 7480 KB Output is correct
43 Correct 45 ms 8604 KB Output is correct
44 Correct 42 ms 8368 KB Output is correct
45 Correct 40 ms 8364 KB Output is correct
46 Correct 44 ms 8612 KB Output is correct
47 Correct 22 ms 1684 KB Output is correct
48 Correct 214 ms 12232 KB Output is correct
49 Correct 210 ms 12256 KB Output is correct
50 Correct 209 ms 12224 KB Output is correct
51 Correct 210 ms 12224 KB Output is correct
52 Correct 195 ms 11704 KB Output is correct
53 Correct 199 ms 10904 KB Output is correct
54 Correct 219 ms 12884 KB Output is correct
55 Correct 225 ms 12224 KB Output is correct
56 Correct 142 ms 12196 KB Output is correct
57 Correct 216 ms 12940 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 456 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 35 ms 5192 KB Output is correct
11 Correct 42 ms 6208 KB Output is correct
12 Correct 45 ms 6136 KB Output is correct
13 Correct 44 ms 6452 KB Output is correct
14 Correct 44 ms 6460 KB Output is correct
15 Correct 46 ms 5316 KB Output is correct
16 Correct 171 ms 7840 KB Output is correct
17 Correct 169 ms 7664 KB Output is correct
18 Correct 188 ms 8116 KB Output is correct
19 Correct 119 ms 8120 KB Output is correct
20 Correct 135 ms 8068 KB Output is correct
21 Correct 135 ms 8204 KB Output is correct
22 Correct 145 ms 8392 KB Output is correct
23 Correct 150 ms 8144 KB Output is correct
24 Correct 138 ms 8380 KB Output is correct
25 Correct 135 ms 8112 KB Output is correct
26 Correct 138 ms 8160 KB Output is correct
27 Correct 136 ms 8136 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 6 ms 1428 KB Output is correct
38 Correct 42 ms 8360 KB Output is correct
39 Correct 44 ms 8360 KB Output is correct
40 Correct 43 ms 8348 KB Output is correct
41 Correct 41 ms 8256 KB Output is correct
42 Correct 45 ms 8212 KB Output is correct
43 Correct 38 ms 7480 KB Output is correct
44 Correct 45 ms 8604 KB Output is correct
45 Correct 42 ms 8368 KB Output is correct
46 Correct 40 ms 8364 KB Output is correct
47 Correct 44 ms 8612 KB Output is correct
48 Correct 22 ms 1684 KB Output is correct
49 Correct 214 ms 12232 KB Output is correct
50 Correct 210 ms 12256 KB Output is correct
51 Correct 209 ms 12224 KB Output is correct
52 Correct 210 ms 12224 KB Output is correct
53 Correct 195 ms 11704 KB Output is correct
54 Correct 199 ms 10904 KB Output is correct
55 Correct 219 ms 12884 KB Output is correct
56 Correct 225 ms 12224 KB Output is correct
57 Correct 142 ms 12196 KB Output is correct
58 Correct 216 ms 12940 KB Output is correct
59 Correct 122 ms 4516 KB Output is correct
60 Correct 244 ms 8096 KB Output is correct
61 Correct 214 ms 8260 KB Output is correct
62 Correct 225 ms 8600 KB Output is correct
63 Correct 133 ms 8472 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 2 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 312 KB Output is correct
74 Correct 64 ms 10688 KB Output is correct
75 Correct 41 ms 8368 KB Output is correct
76 Correct 41 ms 8256 KB Output is correct
77 Correct 46 ms 8884 KB Output is correct
78 Correct 62 ms 9932 KB Output is correct
79 Correct 51 ms 7064 KB Output is correct
80 Correct 55 ms 9152 KB Output is correct
81 Correct 74 ms 12028 KB Output is correct
82 Correct 78 ms 13116 KB Output is correct
83 Correct 88 ms 14004 KB Output is correct
84 Correct 41 ms 8348 KB Output is correct
85 Correct 74 ms 12660 KB Output is correct
86 Correct 56 ms 4788 KB Output is correct
87 Correct 204 ms 12228 KB Output is correct
88 Correct 211 ms 12188 KB Output is correct
89 Correct 168 ms 12320 KB Output is correct
90 Correct 185 ms 13628 KB Output is correct
91 Correct 182 ms 13420 KB Output is correct
92 Correct 180 ms 12744 KB Output is correct
93 Correct 230 ms 15828 KB Output is correct
94 Correct 217 ms 16800 KB Output is correct
95 Correct 272 ms 17848 KB Output is correct
96 Correct 142 ms 12208 KB Output is correct
97 Correct 192 ms 14524 KB Output is correct