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Submission #598991

# Submission time Handle Problem Language Result Execution time Memory
598991 2022-07-19T08:43:51 Z Hanksburger Knapsack (NOI18_knapsack) C++17
100 / 100
 61 ms 3716 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int> > v[2005];
int dp[2005];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int s, n;
    cin >> s >> n;
    for (int i=1; i<=n; i++)
    {
        int a, b, c;
        cin >> a >> b >> c;
        v[b].push_back({a, c});
    }
    for (int i=1; i<=s; i++)
    {
        sort(v[i].rbegin(), v[i].rend());
        int cnt=s/i;
        for (int j=0; j<v[i].size(); j++)
        {
            while (cnt && (v[i][j].second--))
            {
                for (int k=s; k>=i; k--)
                    dp[k]=max(dp[k], dp[k-i]+v[i][j].first);
                cnt--;
            }
            if (!cnt)
                break;
        }
    }
    cout << dp[s];
    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:22:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for (int j=0; j<v[i].size(); j++)
      |                       ~^~~~~~~~~~~~

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 484 KB Output is correct

Subtask #2
17.0 / 17.0

# 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 376 KB Output is correct
5 Correct 0 ms 380 KB Output is correct
6 Correct 1 ms 368 KB Output is correct
7 Correct 1 ms 368 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 372 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 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 376 KB Output is correct
5 Correct 0 ms 380 KB Output is correct
6 Correct 1 ms 368 KB Output is correct
7 Correct 1 ms 368 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 372 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 372 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 368 KB Output is correct
20 Correct 1 ms 372 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 484 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 340 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 0 ms 380 KB Output is correct
10 Correct 1 ms 368 KB Output is correct
11 Correct 1 ms 368 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 372 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 372 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 368 KB Output is correct
24 Correct 1 ms 372 KB Output is correct
25 Correct 1 ms 372 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 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 376 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 484 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 340 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 0 ms 380 KB Output is correct
10 Correct 1 ms 368 KB Output is correct
11 Correct 1 ms 368 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 372 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 372 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 368 KB Output is correct
24 Correct 1 ms 372 KB Output is correct
25 Correct 1 ms 372 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 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 376 KB Output is correct
35 Correct 36 ms 2316 KB Output is correct
36 Correct 32 ms 2516 KB Output is correct
37 Correct 30 ms 2372 KB Output is correct
38 Correct 38 ms 2640 KB Output is correct
39 Correct 42 ms 3448 KB Output is correct
40 Correct 61 ms 3532 KB Output is correct
41 Correct 40 ms 2768 KB Output is correct
42 Correct 49 ms 2808 KB Output is correct
43 Correct 50 ms 2804 KB Output is correct
44 Correct 59 ms 2868 KB Output is correct
45 Correct 41 ms 3716 KB Output is correct
46 Correct 33 ms 3144 KB Output is correct
47 Correct 37 ms 3660 KB Output is correct
48 Correct 45 ms 3584 KB Output is correct
49 Correct 31 ms 3376 KB Output is correct
50 Correct 47 ms 3228 KB Output is correct