oj.uz

Submission #244713

# Submission time Handle Problem Language Result Execution time Memory
244713 2020-07-04T16:40:39 Z santaclaus03 Toll (BOI17_toll) C++14
56 / 100
 3000 ms 5804 KB 
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
using ii = pair<int, int>;
using vvii = vector<vector<ii>>;

#define INF 1000000000

int main()
{
    int K, n, m, o;
    cin >> K >> n >> m >> o;
    vvii rev(n);
    for (int i = 0; i < m; ++i)
    {
        int a, b, t;
        cin >> a >> b >> t;
        rev[b].emplace_back(t, a);
    }
    vi d0(n, INF);
    d0[0] = 0;
    for (int u = 1; u < n; ++u)
    {
        for (ii e : rev[u])
        {
            d0[u] = min(d0[u], d0[e.second] + e.first);
        }
    }
    for (int i = 0; i < o; ++i)
    {
        int a, b;
        cin >> a >> b;
        int ans;
        if (a == 0)
        {
            ans = d0[b];
        }
        else
        {
            vi d(n, INF);
            d[a] = 0;
            for (int u = a + 1; u < n; ++u)
            {
                for (ii e : rev[u])
                {
                    d[u] = min(d[u], d[e.second] + e.first);
                }
            }
            ans = d[b];
        }
        cout << (ans == INF ? -1 : ans) << endl;
    }
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1737 ms 4032 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 11 ms 384 KB Output is correct
6 Correct 11 ms 384 KB Output is correct
7 Correct 11 ms 384 KB Output is correct
8 Correct 1733 ms 3772 KB Output is correct
9 Correct 1682 ms 3684 KB Output is correct
10 Correct 514 ms 1972 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 3320 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 31 ms 384 KB Output is correct
8 Correct 31 ms 512 KB Output is correct
9 Correct 91 ms 3320 KB Output is correct
10 Correct 213 ms 4308 KB Output is correct
11 Correct 154 ms 3320 KB Output is correct
12 Correct 125 ms 3192 KB Output is correct
13 Correct 201 ms 3960 KB Output is correct
14 Correct 122 ms 2808 KB Output is correct
15 Correct 104 ms 2424 KB Output is correct
16 Correct 115 ms 2424 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 7 ms 384 KB Output is correct
8 Correct 10 ms 384 KB Output is correct
9 Correct 9 ms 384 KB Output is correct
10 Correct 86 ms 3448 KB Output is correct
11 Correct 148 ms 3576 KB Output is correct
12 Correct 205 ms 4352 KB Output is correct
13 Correct 244 ms 4600 KB Output is correct
14 Correct 182 ms 4020 KB Output is correct
15 Correct 122 ms 2680 KB Output is correct
16 Correct 118 ms 2552 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 7 ms 384 KB Output is correct
8 Correct 10 ms 384 KB Output is correct
9 Correct 9 ms 384 KB Output is correct
10 Correct 86 ms 3448 KB Output is correct
11 Correct 148 ms 3576 KB Output is correct
12 Correct 205 ms 4352 KB Output is correct
13 Correct 244 ms 4600 KB Output is correct
14 Correct 182 ms 4020 KB Output is correct
15 Correct 122 ms 2680 KB Output is correct
16 Correct 118 ms 2552 KB Output is correct
17 Correct 822 ms 3808 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 24 ms 384 KB Output is correct
24 Correct 26 ms 384 KB Output is correct
25 Correct 41 ms 512 KB Output is correct
26 Correct 33 ms 384 KB Output is correct
27 Correct 559 ms 3764 KB Output is correct
28 Correct 1142 ms 4404 KB Output is correct
29 Correct 1163 ms 4660 KB Output is correct
30 Correct 1175 ms 4196 KB Output is correct

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 1737 ms 4032 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 11 ms 384 KB Output is correct
6 Correct 11 ms 384 KB Output is correct
7 Correct 11 ms 384 KB Output is correct
8 Correct 1733 ms 3772 KB Output is correct
9 Correct 1682 ms 3684 KB Output is correct
10 Correct 514 ms 1972 KB Output is correct
11 Correct 157 ms 3320 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 31 ms 384 KB Output is correct
18 Correct 31 ms 512 KB Output is correct
19 Correct 91 ms 3320 KB Output is correct
20 Correct 213 ms 4308 KB Output is correct
21 Correct 154 ms 3320 KB Output is correct
22 Correct 125 ms 3192 KB Output is correct
23 Correct 201 ms 3960 KB Output is correct
24 Correct 122 ms 2808 KB Output is correct
25 Correct 104 ms 2424 KB Output is correct
26 Correct 115 ms 2424 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 4 ms 256 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 7 ms 384 KB Output is correct
34 Correct 10 ms 384 KB Output is correct
35 Correct 9 ms 384 KB Output is correct
36 Correct 86 ms 3448 KB Output is correct
37 Correct 148 ms 3576 KB Output is correct
38 Correct 205 ms 4352 KB Output is correct
39 Correct 244 ms 4600 KB Output is correct
40 Correct 182 ms 4020 KB Output is correct
41 Correct 122 ms 2680 KB Output is correct
42 Correct 118 ms 2552 KB Output is correct
43 Correct 822 ms 3808 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 4 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 5 ms 256 KB Output is correct
49 Correct 24 ms 384 KB Output is correct
50 Correct 26 ms 384 KB Output is correct
51 Correct 41 ms 512 KB Output is correct
52 Correct 33 ms 384 KB Output is correct
53 Correct 559 ms 3764 KB Output is correct
54 Correct 1142 ms 4404 KB Output is correct
55 Correct 1163 ms 4660 KB Output is correct
56 Correct 1175 ms 4196 KB Output is correct
57 Execution timed out 3074 ms 5804 KB Time limit exceeded
58 Halted 0 ms 0 KB -