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Submission #907679

# Submission time Handle Problem Language Result Execution time Memory
907679 2024-01-16T01:54:16 Z Ca7Ac1 Knapsack (NOI18_knapsack) C++17
100 / 100
 123 ms 2640 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()
{   
    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:29:38: 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]
   29 |         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 348 KB Output is correct
4 Correct 1 ms 348 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 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 432 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 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 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 516 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 1 ms 344 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 348 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 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 344 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 432 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 516 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
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 348 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 436 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 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 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 2 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 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 344 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 432 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 516 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
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 348 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 436 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 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 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 2 ms 348 KB Output is correct
35 Correct 46 ms 1284 KB Output is correct
36 Correct 61 ms 1748 KB Output is correct
37 Correct 51 ms 1508 KB Output is correct
38 Correct 51 ms 1628 KB Output is correct
39 Correct 72 ms 2640 KB Output is correct
40 Correct 123 ms 2512 KB Output is correct
41 Correct 74 ms 1900 KB Output is correct
42 Correct 72 ms 1732 KB Output is correct
43 Correct 85 ms 1920 KB Output is correct
44 Correct 85 ms 1872 KB Output is correct
45 Correct 68 ms 2388 KB Output is correct
46 Correct 64 ms 2384 KB Output is correct
47 Correct 71 ms 2412 KB Output is correct
48 Correct 103 ms 2556 KB Output is correct
49 Correct 61 ms 2128 KB Output is correct
50 Correct 81 ms 2384 KB Output is correct