oj.uz

Submission #1042627

# Submission time Handle Problem Language Result Execution time Memory
1042627 2024-08-03T08:42:57 Z stdfloat Swapping Cities (APIO20_swap) C++17
37 / 100
 2000 ms 17488 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<pii> q;
        vector<bool> visX(n);
        vector<int> p(n, -1);
        q.push({X, -1}); visX[X] = true;
        while (!q.empty()) {
            auto [x, pr] = q.front(); q.pop();
 
            for (auto [i, w] : E[x]) {
                if (i == pr || w > md) continue;
                if (visX[i]) {
                    if (i == X) {
                        tr = true;
                        break;
                    }
                }
                else {
                    p[i] = x;
                    q.push({i, x});
                    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 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 444 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 185 ms 8012 KB Output is correct
10 Correct 461 ms 9752 KB Output is correct
11 Correct 667 ms 9808 KB Output is correct
12 Correct 600 ms 10320 KB Output is correct
13 Correct 937 ms 10332 KB Output is correct
14 Execution timed out 2051 ms 8536 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Execution timed out 2100 ms 14732 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 444 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 444 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 348 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 3 ms 348 KB Output is correct
21 Correct 2 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 2 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 5 ms 604 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 600 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 3 ms 516 KB Output is correct
8 Correct 3 ms 444 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 185 ms 8012 KB Output is correct
11 Correct 461 ms 9752 KB Output is correct
12 Correct 667 ms 9808 KB Output is correct
13 Correct 600 ms 10320 KB Output is correct
14 Correct 937 ms 10332 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 444 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 348 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 3 ms 348 KB Output is correct
26 Correct 2 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 2 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 5 ms 604 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 15 ms 1792 KB Output is correct
35 Correct 962 ms 9964 KB Output is correct
36 Correct 799 ms 10076 KB Output is correct
37 Correct 720 ms 10064 KB Output is correct
38 Correct 734 ms 9820 KB Output is correct
39 Correct 581 ms 9804 KB Output is correct
40 Correct 648 ms 9296 KB Output is correct
41 Correct 671 ms 10332 KB Output is correct
42 Correct 1041 ms 10012 KB Output is correct
43 Correct 745 ms 10068 KB Output is correct
44 Correct 256 ms 10836 KB Output is correct
45 Correct 340 ms 13392 KB Output is correct
46 Correct 724 ms 10068 KB Output is correct
47 Correct 591 ms 10068 KB Output is correct
48 Correct 371 ms 10840 KB Output is correct
49 Correct 67 ms 11600 KB Output is correct
50 Correct 69 ms 9044 KB Output is correct
51 Correct 219 ms 11600 KB Output is correct
52 Correct 348 ms 15188 KB Output is correct
53 Correct 222 ms 16208 KB Output is correct
54 Correct 1066 ms 17488 KB Output is correct
55 Correct 528 ms 10076 KB Output is correct
56 Correct 491 ms 15884 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 444 KB Output is correct
8 Correct 5 ms 348 KB Output is correct
9 Correct 185 ms 8012 KB Output is correct
10 Correct 461 ms 9752 KB Output is correct
11 Correct 667 ms 9808 KB Output is correct
12 Correct 600 ms 10320 KB Output is correct
13 Correct 937 ms 10332 KB Output is correct
14 Execution timed out 2051 ms 8536 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 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 3 ms 516 KB Output is correct
8 Correct 3 ms 444 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 185 ms 8012 KB Output is correct
11 Correct 461 ms 9752 KB Output is correct
12 Correct 667 ms 9808 KB Output is correct
13 Correct 600 ms 10320 KB Output is correct
14 Correct 937 ms 10332 KB Output is correct
15 Execution timed out 2051 ms 8536 KB Time limit exceeded
16 Halted 0 ms 0 KB -