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Submission #907693

# Submission time Handle Problem Language Result Execution time Memory
907693 2024-01-16T02:11:06 Z Ca7Ac1 Knapsack (NOI18_knapsack) C++17
100 / 100
 54 ms 616 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <math.h>

#define ll int
#define pll pair<ll, ll>

using namespace std;

int main()
{   
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    ll s;
    ll n;
    cin >> s >> n;

    vector<priority_queue<ll, vector<ll>, greater<ll>>> arr(s, priority_queue<ll, vector<ll>, greater<ll>>());
    for (ll i = 0; i < n; i++)
    {
        ll v;
        ll w;
        ll k;
        cin >> v >> w >> k;
        
        while (arr[w - 1].size() * w <= s && k > 0)
        {
            arr[w - 1].push(v);
            
            k--;
        }

        while (arr[w - 1].top() < v && k > 0)
        {
            arr[w - 1].pop();
            arr[w - 1].push(v);

            k--;
        }
    }

    vector<ll> dp(s + 1, 0);
    for (ll i = 1; i <= s; i++)
    {
        auto &values = arr[i - 1];

        while (!values.empty())
        {
            ll curr = values.top();
            values.pop();

            for (ll j = s; j >= 0; j--)
            {
                if (j + i <= s)
                {
                    dp[j + i] = max(dp[j + i], dp[j] + curr);
                }
            }
        }
    }

    ll sol = 0;
    for (ll i : dp)
    {
        sol = max(sol, i);
    }

    cout << sol << '\n';

    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:33:38: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int, std::vector<int>, std::greater<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |         while (arr[w - 1].size() * w <= s && k > 0)
      |                ~~~~~~~~~~~~~~~~~~~~~~^~~~

Subtask #1
12.0 / 12.0

# 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 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 4 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 452 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 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 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
24.0 / 24.0

# 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 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 452 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 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 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 344 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 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 452 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 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 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 15 ms 348 KB Output is correct
36 Correct 20 ms 348 KB Output is correct
37 Correct 19 ms 540 KB Output is correct
38 Correct 16 ms 516 KB Output is correct
39 Correct 23 ms 348 KB Output is correct
40 Correct 52 ms 604 KB Output is correct
41 Correct 41 ms 616 KB Output is correct
42 Correct 39 ms 600 KB Output is correct
43 Correct 54 ms 604 KB Output is correct
44 Correct 50 ms 600 KB Output is correct
45 Correct 22 ms 348 KB Output is correct
46 Correct 19 ms 520 KB Output is correct
47 Correct 24 ms 344 KB Output is correct
48 Correct 45 ms 596 KB Output is correct
49 Correct 19 ms 348 KB Output is correct
50 Correct 37 ms 348 KB Output is correct