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Submission #391318

# Submission time Handle Problem Language Result Execution time Memory
391318 2021-04-18T14:31:10 Z Hegdahl Toll (BOI17_toll) C++17
100 / 100
 1265 ms 6400 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include <bits/stdc++.h>
#define ar array

using namespace std;
using ll = long long;

const ll INF = 1LL<<60;
const int mxN = 5e4;

ar<ll, 5> g[mxN];
int mnNxt[mxN];

ll ans[mxN+10];

int main() {
  ios::sync_with_stdio(0);cin.tie(0);
  int k, n, m, q; cin >> k >> n >> m >> q;
  cerr << k << '\n';

  for (int i = 0; i < n; ++i)
    for (int d = 0; d < k; ++d)
      g[i][d] = INF;
  for (int mm = 0; mm < m; ++mm) {
    int i, j, w; cin >> i >> j >> w;
    g[i][j%k] = w;
  }

  for (int i = 0; i < n; ++i)
    mnNxt[i] = i/k*k+k;

  fill(ans, ans+n+10, INF);

  for (int qq = 0; qq < q; ++qq) {
    int i, j; cin >> i >> j;

    for (int p = j+1; p < n; ++p)
      ans[p] = INF;

    ans[j] = 0;
    for (int p = j-1; p >= i; --p) {
      ans[p] = INF;
      for (int d = 0; d < k; ++d)
        ans[p] = min(ans[mnNxt[p]+d]+g[p][d], ans[p]);
    }

    if (ans[i] > INF/2) cout << "-1\n";
    else cout << ans[i] << '\n';
  }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 786 ms 3912 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 790 ms 3788 KB Output is correct
9 Correct 784 ms 3852 KB Output is correct
10 Correct 771 ms 3092 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 976 ms 4572 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 28 ms 468 KB Output is correct
8 Correct 23 ms 512 KB Output is correct
9 Correct 1164 ms 3748 KB Output is correct
10 Correct 1265 ms 5324 KB Output is correct
11 Correct 989 ms 4628 KB Output is correct
12 Correct 1223 ms 4148 KB Output is correct
13 Correct 370 ms 4256 KB Output is correct
14 Correct 253 ms 3312 KB Output is correct
15 Correct 346 ms 3020 KB Output is correct
16 Correct 343 ms 3080 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 26 ms 3552 KB Output is correct
11 Correct 38 ms 4292 KB Output is correct
12 Correct 51 ms 4952 KB Output is correct
13 Correct 54 ms 5204 KB Output is correct
14 Correct 43 ms 4568 KB Output is correct
15 Correct 30 ms 3028 KB Output is correct
16 Correct 30 ms 3032 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 26 ms 3552 KB Output is correct
11 Correct 38 ms 4292 KB Output is correct
12 Correct 51 ms 4952 KB Output is correct
13 Correct 54 ms 5204 KB Output is correct
14 Correct 43 ms 4568 KB Output is correct
15 Correct 30 ms 3028 KB Output is correct
16 Correct 30 ms 3032 KB Output is correct
17 Correct 257 ms 4436 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 6 ms 332 KB Output is correct
24 Correct 6 ms 588 KB Output is correct
25 Correct 10 ms 460 KB Output is correct
26 Correct 9 ms 476 KB Output is correct
27 Correct 243 ms 3700 KB Output is correct
28 Correct 291 ms 5064 KB Output is correct
29 Correct 288 ms 5332 KB Output is correct
30 Correct 276 ms 4716 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 786 ms 3912 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 790 ms 3788 KB Output is correct
9 Correct 784 ms 3852 KB Output is correct
10 Correct 771 ms 3092 KB Output is correct
11 Correct 976 ms 4572 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 28 ms 468 KB Output is correct
18 Correct 23 ms 512 KB Output is correct
19 Correct 1164 ms 3748 KB Output is correct
20 Correct 1265 ms 5324 KB Output is correct
21 Correct 989 ms 4628 KB Output is correct
22 Correct 1223 ms 4148 KB Output is correct
23 Correct 370 ms 4256 KB Output is correct
24 Correct 253 ms 3312 KB Output is correct
25 Correct 346 ms 3020 KB Output is correct
26 Correct 343 ms 3080 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 2 ms 332 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 26 ms 3552 KB Output is correct
37 Correct 38 ms 4292 KB Output is correct
38 Correct 51 ms 4952 KB Output is correct
39 Correct 54 ms 5204 KB Output is correct
40 Correct 43 ms 4568 KB Output is correct
41 Correct 30 ms 3028 KB Output is correct
42 Correct 30 ms 3032 KB Output is correct
43 Correct 257 ms 4436 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 6 ms 332 KB Output is correct
50 Correct 6 ms 588 KB Output is correct
51 Correct 10 ms 460 KB Output is correct
52 Correct 9 ms 476 KB Output is correct
53 Correct 243 ms 3700 KB Output is correct
54 Correct 291 ms 5064 KB Output is correct
55 Correct 288 ms 5332 KB Output is correct
56 Correct 276 ms 4716 KB Output is correct
57 Correct 1076 ms 6400 KB Output is correct
58 Correct 770 ms 3780 KB Output is correct
59 Correct 681 ms 4656 KB Output is correct