oj.uz

Submission #955969

# Submission time Handle Problem Language Result Execution time Memory
955969 2024-03-31T18:15:19 Z Nelt Knapsack (NOI18_knapsack) C++17
100 / 100
 45 ms 5160 KB 
#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
using namespace std;

void solve()
{
    ll m, n;
    cin >> m >> n;
    vector<pair<ll, ll>> el[m + 1];
    vector<ll> v[m + 1];
    while (n--)
    {
        ll p, w, k;
        cin >> p >> w >> k;
        el[w].push_back(make_pair(p, k));
    }
    for (ll i = 1; i <= m; i++)
    {
        sort(el[i].begin(), el[i].end(), greater());
        for (auto [j, k] : el[i])
                while (k-- > 0 and v[i].size() < m / i)
                    v[i].push_back(j);
    }
    ll dp[m + 1];
    for (ll i = 0; i <= m; i++)
        dp[i] = 0;
    for (ll i = 1; i <= m; i++)
    for (ll j : v[i])
    for (ll k = m - i; k >= 0; k--)
        dp[k + i] = max(dp[k + i], dp[k] + j);
    cout << *max_element(dp, dp + m + 1) << endl;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll t = 1;
    // precomp();
    // cin >> t;
    for (ll i = 1; i <= t; i++)
        solve();
    //cerr << "\nTime elapsed: " << clock() * 1000.0 / CLOCKS_PER_SEC << " ms\n";
}

Compilation message

knapsack.cpp: In function 'void solve()':
knapsack.cpp:22:48: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   22 |                 while (k-- > 0 and v[i].size() < m / i)
      |                                    ~~~~~~~~~~~~^~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 424 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 452 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 424 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 452 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 600 KB Output is correct
27 Correct 1 ms 704 KB Output is correct
28 Correct 0 ms 456 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 424 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 452 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 600 KB Output is correct
27 Correct 1 ms 704 KB Output is correct
28 Correct 0 ms 456 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 22 ms 3288 KB Output is correct
36 Correct 27 ms 3664 KB Output is correct
37 Correct 26 ms 3412 KB Output is correct
38 Correct 24 ms 3772 KB Output is correct
39 Correct 27 ms 4472 KB Output is correct
40 Correct 45 ms 4952 KB Output is correct
41 Correct 32 ms 4188 KB Output is correct
42 Correct 32 ms 3932 KB Output is correct
43 Correct 41 ms 4248 KB Output is correct
44 Correct 41 ms 4188 KB Output is correct
45 Correct 28 ms 4956 KB Output is correct
46 Correct 28 ms 4192 KB Output is correct
47 Correct 35 ms 5160 KB Output is correct
48 Correct 33 ms 4700 KB Output is correct
49 Correct 25 ms 4700 KB Output is correct
50 Correct 38 ms 4292 KB Output is correct