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Submission #547779

# Submission time Handle Problem Language Result Execution time Memory
547779 2022-04-11T17:53:08 Z Soumya1 Toll (BOI17_toll) C++17
100 / 100
 277 ms 160144 KB 
#include <bits/stdc++.h>
#ifdef __LOCAL__
#include <debug_local.h>
#endif
using namespace std;
const int mxN = 5e4 + 5;
const int mxK = 5;
const int lg = 16;
const long long INF = 1e18;
long long dist[mxN][lg][mxK][mxK];
int k, n, m, q;
void testCase() {
  for (int i = 0; i < mxN; i++) {
    for (int j = 0; j < lg; j++) {
      for (int x = 0; x < mxK; x++) {
        for (int l = 0; l < mxK; l++) {
          dist[i][j][x][l] = INF;
        }
      }
    }
  }
  cin >> k >> n >> m >> q;
  while (m--) {
    int a, b, c;
    cin >> a >> b >> c;
    dist[a / k][0][a % k][b % k] = min(dist[a / k][0][a % k][b % k], 1LL * c);
  }
  for (int j = 1; j < lg; j++) {
    for (int i = 0; i < n; i++) {
      for (int a = 0; a < k; a++) {
        for (int b = 0; b < k; b++) {
          for (int c = 0; c < k; c++) {
            if (i + (1 << j) - 1 >= n) continue;
            if (dist[i][j - 1][a][c] == INF) continue;
            if (dist[i + (1 << (j - 1))][j - 1][c][b] == INF) continue;
            dist[i][j][a][b] = min(dist[i][j][a][b], dist[i][j - 1][a][c] + dist[i + (1 << (j - 1))][j - 1][c][b]);
          }
        }
      }
    }
  }
  while (q--) {
    int a, b;
    cin >> a >> b;
    int aa = a / k;
    int bb = b / k;
    long long ans[mxK];
    for (int i = 0; i < k; i++) ans[i] = INF;
    ans[a % k] = 0;
    for (int j = lg - 1; j >= 0; j--) {
      if (aa + (1 << j) <= bb) {
        long long new_ans[mxK];
        for (int i = 0; i < k; i++) new_ans[i] = INF;
        for (int from = 0; from < k; from++) {
          for (int to = 0; to < k; to++) {
            if (ans[from] == INF) continue;
            if (dist[aa][j][from][to] == INF) continue;
            new_ans[to] = min(new_ans[to], ans[from] + dist[aa][j][from][to]);
          }
        }
        for (int i = 0; i < k; i++) ans[i] = new_ans[i];
        aa += (1 << j);
      }
    }
    long long out = ans[b % k];
    if (aa > bb || out == INF) out = -1;
    cout << out << "\n";
  }
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  testCase();
  return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 156876 KB Output is correct
2 Correct 65 ms 156816 KB Output is correct
3 Correct 66 ms 156776 KB Output is correct
4 Correct 62 ms 156776 KB Output is correct
5 Correct 65 ms 156840 KB Output is correct
6 Correct 64 ms 156788 KB Output is correct
7 Correct 63 ms 156848 KB Output is correct
8 Correct 99 ms 157780 KB Output is correct
9 Correct 102 ms 157700 KB Output is correct
10 Correct 92 ms 157000 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 169 ms 156880 KB Output is correct
2 Correct 65 ms 156800 KB Output is correct
3 Correct 67 ms 156876 KB Output is correct
4 Correct 67 ms 156864 KB Output is correct
5 Correct 64 ms 156856 KB Output is correct
6 Correct 64 ms 156852 KB Output is correct
7 Correct 68 ms 156940 KB Output is correct
8 Correct 69 ms 157028 KB Output is correct
9 Correct 105 ms 157756 KB Output is correct
10 Correct 232 ms 159124 KB Output is correct
11 Correct 160 ms 158548 KB Output is correct
12 Correct 199 ms 158192 KB Output is correct
13 Correct 244 ms 159260 KB Output is correct
14 Correct 160 ms 158316 KB Output is correct
15 Correct 253 ms 158056 KB Output is correct
16 Correct 233 ms 158084 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 156864 KB Output is correct
2 Correct 78 ms 156816 KB Output is correct
3 Correct 67 ms 156860 KB Output is correct
4 Correct 72 ms 156776 KB Output is correct
5 Correct 64 ms 156788 KB Output is correct
6 Correct 63 ms 156876 KB Output is correct
7 Correct 75 ms 156876 KB Output is correct
8 Correct 73 ms 156852 KB Output is correct
9 Correct 65 ms 156992 KB Output is correct
10 Correct 103 ms 157628 KB Output is correct
11 Correct 162 ms 158404 KB Output is correct
12 Correct 215 ms 159164 KB Output is correct
13 Correct 208 ms 159288 KB Output is correct
14 Correct 212 ms 158684 KB Output is correct
15 Correct 230 ms 158132 KB Output is correct
16 Correct 259 ms 158132 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 156864 KB Output is correct
2 Correct 78 ms 156816 KB Output is correct
3 Correct 67 ms 156860 KB Output is correct
4 Correct 72 ms 156776 KB Output is correct
5 Correct 64 ms 156788 KB Output is correct
6 Correct 63 ms 156876 KB Output is correct
7 Correct 75 ms 156876 KB Output is correct
8 Correct 73 ms 156852 KB Output is correct
9 Correct 65 ms 156992 KB Output is correct
10 Correct 103 ms 157628 KB Output is correct
11 Correct 162 ms 158404 KB Output is correct
12 Correct 215 ms 159164 KB Output is correct
13 Correct 208 ms 159288 KB Output is correct
14 Correct 212 ms 158684 KB Output is correct
15 Correct 230 ms 158132 KB Output is correct
16 Correct 259 ms 158132 KB Output is correct
17 Correct 156 ms 158384 KB Output is correct
18 Correct 66 ms 156752 KB Output is correct
19 Correct 67 ms 156856 KB Output is correct
20 Correct 64 ms 156844 KB Output is correct
21 Correct 68 ms 156772 KB Output is correct
22 Correct 80 ms 156952 KB Output is correct
23 Correct 76 ms 156872 KB Output is correct
24 Correct 66 ms 157000 KB Output is correct
25 Correct 71 ms 156852 KB Output is correct
26 Correct 72 ms 156844 KB Output is correct
27 Correct 98 ms 157644 KB Output is correct
28 Correct 251 ms 159160 KB Output is correct
29 Correct 235 ms 159304 KB Output is correct
30 Correct 195 ms 158620 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 156876 KB Output is correct
2 Correct 65 ms 156816 KB Output is correct
3 Correct 66 ms 156776 KB Output is correct
4 Correct 62 ms 156776 KB Output is correct
5 Correct 65 ms 156840 KB Output is correct
6 Correct 64 ms 156788 KB Output is correct
7 Correct 63 ms 156848 KB Output is correct
8 Correct 99 ms 157780 KB Output is correct
9 Correct 102 ms 157700 KB Output is correct
10 Correct 92 ms 157000 KB Output is correct
11 Correct 169 ms 156880 KB Output is correct
12 Correct 65 ms 156800 KB Output is correct
13 Correct 67 ms 156876 KB Output is correct
14 Correct 67 ms 156864 KB Output is correct
15 Correct 64 ms 156856 KB Output is correct
16 Correct 64 ms 156852 KB Output is correct
17 Correct 68 ms 156940 KB Output is correct
18 Correct 69 ms 157028 KB Output is correct
19 Correct 105 ms 157756 KB Output is correct
20 Correct 232 ms 159124 KB Output is correct
21 Correct 160 ms 158548 KB Output is correct
22 Correct 199 ms 158192 KB Output is correct
23 Correct 244 ms 159260 KB Output is correct
24 Correct 160 ms 158316 KB Output is correct
25 Correct 253 ms 158056 KB Output is correct
26 Correct 233 ms 158084 KB Output is correct
27 Correct 65 ms 156864 KB Output is correct
28 Correct 78 ms 156816 KB Output is correct
29 Correct 67 ms 156860 KB Output is correct
30 Correct 72 ms 156776 KB Output is correct
31 Correct 64 ms 156788 KB Output is correct
32 Correct 63 ms 156876 KB Output is correct
33 Correct 75 ms 156876 KB Output is correct
34 Correct 73 ms 156852 KB Output is correct
35 Correct 65 ms 156992 KB Output is correct
36 Correct 103 ms 157628 KB Output is correct
37 Correct 162 ms 158404 KB Output is correct
38 Correct 215 ms 159164 KB Output is correct
39 Correct 208 ms 159288 KB Output is correct
40 Correct 212 ms 158684 KB Output is correct
41 Correct 230 ms 158132 KB Output is correct
42 Correct 259 ms 158132 KB Output is correct
43 Correct 156 ms 158384 KB Output is correct
44 Correct 66 ms 156752 KB Output is correct
45 Correct 67 ms 156856 KB Output is correct
46 Correct 64 ms 156844 KB Output is correct
47 Correct 68 ms 156772 KB Output is correct
48 Correct 80 ms 156952 KB Output is correct
49 Correct 76 ms 156872 KB Output is correct
50 Correct 66 ms 157000 KB Output is correct
51 Correct 71 ms 156852 KB Output is correct
52 Correct 72 ms 156844 KB Output is correct
53 Correct 98 ms 157644 KB Output is correct
54 Correct 251 ms 159160 KB Output is correct
55 Correct 235 ms 159304 KB Output is correct
56 Correct 195 ms 158620 KB Output is correct
57 Correct 277 ms 160144 KB Output is correct
58 Correct 105 ms 157700 KB Output is correct
59 Correct 165 ms 158656 KB Output is correct