oj.uz

Submission #1053567

# Submission time Handle Problem Language Result Execution time Memory
1053567 2024-08-11T13:21:34 Z ArthuroWich Toll (BOI17_toll) C++17
100 / 100
 321 ms 278100 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long int
vector<vector<int>> calc(vector<vector<int>> a, vector<vector<int>> b, int k) {
    vector<vector<int>> ans(k, vector<int>(k, INT_MAX));
    for (int x = 0; x < k; x++) {
        for (int i = 0; i < k; i++) {
            for (int j = 0; j < k; j++) {
                ans[i][j] = min(ans[i][j], a[i][x]+b[x][j]);
            }
        }
    }
    return ans;
}
void solve() { // I dont really like this problem
    int n, o, m, k;
    cin >> k >> n >> m >> o;
    vector<vector<vector<vector<int>>>> dp(n+1, vector<vector<vector<int>>>(17, vector<vector<int>>(k, vector<int>(k, INT_MAX))));
    for (int i = 0; i < m; i++) {
        int u, v, w;
        cin >> u >> v >> w;
        dp[u/k][0][u%k][v%k] = w;
    }
    for (int j = 1; j < 17; j++) {
        for (int i = 0; i < (n+k-1)/k; i++) {
            if (i+(1<<j) >= (n+k-1)/k) {
                break;
            }
            dp[i][j] = calc(dp[i][j-1], dp[i+(1<<(j-1))][j-1], k);
        }
    }
    while(o--) {
        int a, b;
        cin >> a >> b;
        vector<vector<int>> ans(k, vector<int>(k, INT_MAX));
        for (int i = 0; i < k; i++) {
            for (int j = 0; j < k; j++) {
                ans[i][i] = 0;
            }
        }
        int i = a/k;
        for (int j = 16; j >= 0; j--) {
            if (i+(1<<j) <= b/k) {
                ans = calc(ans, dp[i][j], k);
                i += (1<<j);
            }
        }
        if (ans[a%k][b%k] == INT_MAX) {
            cout << -1 << endl;
        } else {
            cout << ans[a%k][b%k] << endl;
        }
    }
}
int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    t = 1;
    while(t--) {
        solve();
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 75092 KB Output is correct
2 Correct 0 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 4 ms 1884 KB Output is correct
6 Correct 3 ms 1884 KB Output is correct
7 Correct 4 ms 1884 KB Output is correct
8 Correct 236 ms 76004 KB Output is correct
9 Correct 212 ms 76112 KB Output is correct
10 Correct 207 ms 75344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 225 ms 128336 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 17 ms 2048 KB Output is correct
8 Correct 19 ms 3160 KB Output is correct
9 Correct 198 ms 76096 KB Output is correct
10 Correct 243 ms 170616 KB Output is correct
11 Correct 231 ms 130128 KB Output is correct
12 Correct 227 ms 169552 KB Output is correct
13 Correct 193 ms 199252 KB Output is correct
14 Correct 123 ms 102480 KB Output is correct
15 Correct 186 ms 198036 KB Output is correct
16 Correct 174 ms 198228 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 1880 KB Output is correct
7 Correct 3 ms 2908 KB Output is correct
8 Correct 5 ms 7000 KB Output is correct
9 Correct 5 ms 5916 KB Output is correct
10 Correct 174 ms 75860 KB Output is correct
11 Correct 182 ms 129876 KB Output is correct
12 Correct 203 ms 170320 KB Output is correct
13 Correct 208 ms 170580 KB Output is correct
14 Correct 196 ms 170140 KB Output is correct
15 Correct 175 ms 197960 KB Output is correct
16 Correct 160 ms 198224 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 1880 KB Output is correct
7 Correct 3 ms 2908 KB Output is correct
8 Correct 5 ms 7000 KB Output is correct
9 Correct 5 ms 5916 KB Output is correct
10 Correct 174 ms 75860 KB Output is correct
11 Correct 182 ms 129876 KB Output is correct
12 Correct 203 ms 170320 KB Output is correct
13 Correct 208 ms 170580 KB Output is correct
14 Correct 196 ms 170140 KB Output is correct
15 Correct 175 ms 197960 KB Output is correct
16 Correct 160 ms 198224 KB Output is correct
17 Correct 195 ms 129888 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 7 ms 1988 KB Output is correct
24 Correct 8 ms 2908 KB Output is correct
25 Correct 12 ms 7104 KB Output is correct
26 Correct 10 ms 5968 KB Output is correct
27 Correct 188 ms 75860 KB Output is correct
28 Correct 220 ms 170576 KB Output is correct
29 Correct 214 ms 170772 KB Output is correct
30 Correct 209 ms 170064 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 75092 KB Output is correct
2 Correct 0 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 4 ms 1884 KB Output is correct
6 Correct 3 ms 1884 KB Output is correct
7 Correct 4 ms 1884 KB Output is correct
8 Correct 236 ms 76004 KB Output is correct
9 Correct 212 ms 76112 KB Output is correct
10 Correct 207 ms 75344 KB Output is correct
11 Correct 225 ms 128336 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 17 ms 2048 KB Output is correct
18 Correct 19 ms 3160 KB Output is correct
19 Correct 198 ms 76096 KB Output is correct
20 Correct 243 ms 170616 KB Output is correct
21 Correct 231 ms 130128 KB Output is correct
22 Correct 227 ms 169552 KB Output is correct
23 Correct 193 ms 199252 KB Output is correct
24 Correct 123 ms 102480 KB Output is correct
25 Correct 186 ms 198036 KB Output is correct
26 Correct 174 ms 198228 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 2 ms 1880 KB Output is correct
33 Correct 3 ms 2908 KB Output is correct
34 Correct 5 ms 7000 KB Output is correct
35 Correct 5 ms 5916 KB Output is correct
36 Correct 174 ms 75860 KB Output is correct
37 Correct 182 ms 129876 KB Output is correct
38 Correct 203 ms 170320 KB Output is correct
39 Correct 208 ms 170580 KB Output is correct
40 Correct 196 ms 170140 KB Output is correct
41 Correct 175 ms 197960 KB Output is correct
42 Correct 160 ms 198224 KB Output is correct
43 Correct 195 ms 129888 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 7 ms 1988 KB Output is correct
50 Correct 8 ms 2908 KB Output is correct
51 Correct 12 ms 7104 KB Output is correct
52 Correct 10 ms 5968 KB Output is correct
53 Correct 188 ms 75860 KB Output is correct
54 Correct 220 ms 170576 KB Output is correct
55 Correct 214 ms 170772 KB Output is correct
56 Correct 209 ms 170064 KB Output is correct
57 Correct 321 ms 278100 KB Output is correct
58 Correct 229 ms 76096 KB Output is correct
59 Correct 221 ms 130036 KB Output is correct