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Submission #776305

# Submission time Handle Problem Language Result Execution time Memory
776305 2023-07-07T15:58:15 Z coolavy999 Knapsack (NOI18_knapsack) C++17
100 / 100
 95 ms 3608 KB 
#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
int S, N, V, W, K;
vector<pair<int, int>> A[2001];
long long dp[2001], answer;
int main() {
  cin >> S >> N;
  for (int i = 0; i < N; i++) {
    cin >> V >> W >> K;
    A[W].push_back(make_pair(V, K));
  }
  for (int i = 1; i <= S; i++) {
    sort(A[i].begin(), A[i].end(), greater<pair<int, int>>());
    int index = 0;
    for (int j = 0; j < S / i; j++) {
      if (index >= A[i].size())
        break;
      for (int k = S; k >= i; k--) {
        dp[k] = max(dp[k], dp[k - i] + A[i][index].first);
        answer = max(answer, dp[k]);
      }
      A[i][index].second--;
      if (A[i][index].second == 0)
        index++;
    }
  }
  cout << answer << "\n";
  return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:18:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |       if (index >= A[i].size())
      |           ~~~~~~^~~~~~~~~~~~~~

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 352 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 348 KB Output is correct
6 Correct 1 ms 356 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 340 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 352 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 348 KB Output is correct
6 Correct 1 ms 356 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 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 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 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 352 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 352 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 348 KB Output is correct
10 Correct 1 ms 356 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 348 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
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 352 KB Output is correct
25 Correct 1 ms 340 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 356 KB Output is correct
30 Correct 2 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 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 352 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 348 KB Output is correct
10 Correct 1 ms 356 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 348 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
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 352 KB Output is correct
25 Correct 1 ms 340 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 356 KB Output is correct
30 Correct 2 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 51 ms 2380 KB Output is correct
36 Correct 72 ms 2560 KB Output is correct
37 Correct 55 ms 2288 KB Output is correct
38 Correct 56 ms 2772 KB Output is correct
39 Correct 71 ms 3336 KB Output is correct
40 Correct 95 ms 3532 KB Output is correct
41 Correct 67 ms 2816 KB Output is correct
42 Correct 68 ms 2836 KB Output is correct
43 Correct 81 ms 2764 KB Output is correct
44 Correct 80 ms 2808 KB Output is correct
45 Correct 69 ms 3588 KB Output is correct
46 Correct 70 ms 3164 KB Output is correct
47 Correct 72 ms 3608 KB Output is correct
48 Correct 85 ms 3512 KB Output is correct
49 Correct 64 ms 3348 KB Output is correct
50 Correct 83 ms 3224 KB Output is correct