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Submission #751851

# Submission time Handle Problem Language Result Execution time Memory
751851 2023-06-01T15:52:18 Z vjudge1 Knapsack (NOI18_knapsack) C++14
100 / 100
 55 ms 3864 KB 
#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 1 ms 340 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

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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 320 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 316 KB Output is correct
17 Correct 1 ms 320 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 1 ms 340 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 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 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 316 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 1 ms 316 KB Output is correct
21 Correct 1 ms 320 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 1 ms 212 KB Output is correct
26 Correct 5 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 1 ms 340 KB Output is correct
30 Correct 2 ms 324 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 376 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 1 ms 340 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 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 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 316 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 1 ms 316 KB Output is correct
21 Correct 1 ms 320 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 1 ms 212 KB Output is correct
26 Correct 5 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 1 ms 340 KB Output is correct
30 Correct 2 ms 324 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 376 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 28 ms 2244 KB Output is correct
36 Correct 41 ms 2472 KB Output is correct
37 Correct 32 ms 2320 KB Output is correct
38 Correct 32 ms 2756 KB Output is correct
39 Correct 35 ms 3408 KB Output is correct
40 Correct 55 ms 3864 KB Output is correct
41 Correct 38 ms 2984 KB Output is correct
42 Correct 42 ms 2932 KB Output is correct
43 Correct 51 ms 3040 KB Output is correct
44 Correct 51 ms 3048 KB Output is correct
45 Correct 34 ms 3604 KB Output is correct
46 Correct 32 ms 3124 KB Output is correct
47 Correct 38 ms 3660 KB Output is correct
48 Correct 55 ms 3688 KB Output is correct
49 Correct 30 ms 3404 KB Output is correct
50 Correct 46 ms 3480 KB Output is correct