Submission #750445

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
750445	2023-05-29T14:08:48 Z	nguyennehehe	Knapsack (NOI18_knapsack)	C++14	100 / 100	57 ms	3864 KB

knapsack

#include<bits/stdc++.h>
using namespace std;

signed main() {
  cin.tie(nullptr)->sync_with_stdio(false);

  int s, n; cin >> s >> n;
  vector<vector<pair<int, int>>> items(s + 1);
  for (int i = 0; i < n; ++i) {
    int v, w, k; cin >> v >> w >> k;
    items[w].emplace_back(v, k);
  }

  vector<pair<int, int>> a;
  for (int w = 1; w <= s; ++w) {
    sort(items[w].begin(), items[w].end(), greater<>());
    int cnt = s / w;
    for (pair<int, int> p: items[w]) {
      int bound = min(p.second, cnt);
      for (int i = 1; i <= bound; ++i) {
        a.emplace_back(w, p.first);
      }
      cnt -= bound;
      if (cnt == 0) break;
    }
  }

  vector<long long> dp(s + 1);
  for (pair<int, int> p: a) {
    for (int w = s; w >= p.first; --w) {
      dp[w] = max(dp[w], dp[w - p.first] + p.second);
    }
  }

  cout << *max_element(dp.begin(), dp.end());
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	2 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct

Subtask #4
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	4 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	4 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	26 ms	1488 KB	Output is correct
36	Correct	31 ms	1452 KB	Output is correct
37	Correct	32 ms	2376 KB	Output is correct
38	Correct	28 ms	2772 KB	Output is correct
39	Correct	36 ms	3404 KB	Output is correct
40	Correct	57 ms	3864 KB	Output is correct
41	Correct	40 ms	2968 KB	Output is correct
42	Correct	39 ms	3020 KB	Output is correct
43	Correct	48 ms	3020 KB	Output is correct
44	Correct	51 ms	3020 KB	Output is correct
45	Correct	34 ms	3712 KB	Output is correct
46	Correct	33 ms	3144 KB	Output is correct
47	Correct	40 ms	3752 KB	Output is correct
48	Correct	43 ms	3580 KB	Output is correct
49	Correct	30 ms	3412 KB	Output is correct
50	Correct	47 ms	3472 KB	Output is correct

Submission #750445

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 17.0 / 17.0

Subtask #3 20.0 / 20.0

Subtask #4 24.0 / 24.0

Subtask #5 27.0 / 27.0

Subtask #1
12.0 / 12.0

Subtask #2
17.0 / 17.0

Subtask #3
20.0 / 20.0

Subtask #4
24.0 / 24.0

Subtask #5
27.0 / 27.0