oj.uz

Submission #1042636

# Submission time Handle Problem Language Result Execution time Memory
1042636 2024-08-03T08:52:10 Z stdfloat Swapping Cities (APIO20_swap) C++17
37 / 100
 2000 ms 13612 KB 
#include <bits/stdc++.h>
#include "swap.h"
using namespace std;
 
using ll = long long;
 
#define ff  first
#define ss  second
#define pii pair<int, int>
 
int n;
 
vector<vector<pii>> E;
 
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
    n = N;
    E.assign(n, {});
    for (int i = 0; i < M; i++) {
        E[U[i]].push_back({V[i], W[i]});
        E[V[i]].push_back({U[i], W[i]});
    }
}
 
int getMinimumFuelCapacity(int X, int Y) {
    int l = 0, r = (int)1e9 + 1;
    while (l < r) {
        int md = (l + r) >> 1;
 
        bool tr = false;
        queue<int> q;
        vector<bool> visX(n);
        q.push(X); visX[X] = true;
        while (!q.empty()) {
            int x = q.front(); q.pop();
 
            for (auto [i, w] : E[x]) {
                if (w <= md && !visX[i]) {
                    q.push(i);
                    visX[i] = true;
                }
            }
        }
 
        if (!visX[Y]) {
            l = md + 1;
            continue;
        }
 
        vector<bool> visY(n);
        queue<pii> q1;
        q1.push({Y, -1}); visY[Y] = true;
        while (!q1.empty() && !tr) {
            auto [x, p] = q1.front(); q1.pop();
        
            for (auto [i, w] : E[x]) {
                if (w > md || i == p) continue;
 
                if (visY[i]) {
                    if (i == Y || visX[i]) {
                        tr = true;
                        break;
                    }
                }
                else {
                    visY[i] = true;
                    q1.push({i, x});
                }
            }
        }
 
        for (int i = 0; i < n && !tr; i++) {
            if (!visX[i] || !visY[i]) continue;
 
            int cnt = 0;
            for (auto [j, w] : E[i]) {
                cnt += (w <= md);
            }
 
            tr = (cnt > 2);
        }
 
        if (!tr) l = md + 1;
        else r = md;
    }
 
    return (l == (int)1e9 + 1 ? -1 : l);
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 160 ms 6480 KB Output is correct
10 Correct 438 ms 7704 KB Output is correct
11 Correct 636 ms 7704 KB Output is correct
12 Correct 580 ms 8016 KB Output is correct
13 Correct 853 ms 8028 KB Output is correct
14 Execution timed out 2003 ms 6480 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Execution timed out 2045 ms 10352 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 4 ms 572 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 4 ms 512 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 160 ms 6480 KB Output is correct
11 Correct 438 ms 7704 KB Output is correct
12 Correct 636 ms 7704 KB Output is correct
13 Correct 580 ms 8016 KB Output is correct
14 Correct 853 ms 8028 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 3 ms 512 KB Output is correct
22 Correct 3 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 ms 572 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 12 ms 1372 KB Output is correct
35 Correct 906 ms 8028 KB Output is correct
36 Correct 745 ms 8028 KB Output is correct
37 Correct 674 ms 8020 KB Output is correct
38 Correct 735 ms 8028 KB Output is correct
39 Correct 503 ms 8028 KB Output is correct
40 Correct 618 ms 7512 KB Output is correct
41 Correct 610 ms 8284 KB Output is correct
42 Correct 1031 ms 8020 KB Output is correct
43 Correct 706 ms 8028 KB Output is correct
44 Correct 247 ms 8684 KB Output is correct
45 Correct 315 ms 10184 KB Output is correct
46 Correct 629 ms 8016 KB Output is correct
47 Correct 444 ms 8184 KB Output is correct
48 Correct 296 ms 8656 KB Output is correct
49 Correct 73 ms 8952 KB Output is correct
50 Correct 78 ms 6728 KB Output is correct
51 Correct 221 ms 8904 KB Output is correct
52 Correct 309 ms 11804 KB Output is correct
53 Correct 203 ms 12564 KB Output is correct
54 Correct 1049 ms 13612 KB Output is correct
55 Correct 460 ms 8024 KB Output is correct
56 Correct 408 ms 12184 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 160 ms 6480 KB Output is correct
10 Correct 438 ms 7704 KB Output is correct
11 Correct 636 ms 7704 KB Output is correct
12 Correct 580 ms 8016 KB Output is correct
13 Correct 853 ms 8028 KB Output is correct
14 Execution timed out 2003 ms 6480 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 4 ms 512 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 160 ms 6480 KB Output is correct
11 Correct 438 ms 7704 KB Output is correct
12 Correct 636 ms 7704 KB Output is correct
13 Correct 580 ms 8016 KB Output is correct
14 Correct 853 ms 8028 KB Output is correct
15 Execution timed out 2003 ms 6480 KB Time limit exceeded
16 Halted 0 ms 0 KB -