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Submission #900199

# Submission time Handle Problem Language Result Execution time Memory
900199 2024-01-07T21:02:53 Z aykhn Knapsack (NOI18_knapsack) C++17
100 / 100
 44 ms 4992 KB 
#include <bits/stdc++.h>

// author: aykhn

using namespace std;
typedef long long ll;

#define all(v) v.begin(), v.end()
#define pii pair<int, int>
#define mpr make_pair
#define eb emplace_back
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define ins insert
#define int ll
#define inf 0x3F3F3F3F
#define infll 0x3F3F3F3F3F3F3F3FLL
#define bpc __builtin_popcount

const int MXN = 2e3 + 5;

int dp[MXN];
vector<array<int, 2>> a[MXN];

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    int s, n;
    cin >> s >> n;
    for (int i = 1; i <= n; i++)
    {
        int v, w, k;
        cin >> v >> w >> k;
        a[w].pb({v, k});
    }
    for (int i = 1; i <= s; i++)
    {
        sort(all(a[i]));
        int take = s / i;
        while (take-- && !a[i].empty())
        {
            for (int j = s; j >= i; j--)
            {
                dp[j] = max(dp[j], dp[j - i] + a[i].back()[0]);
            }
            if (!--a[i].back()[1]) a[i].pop_back();
        }
    }
    cout << *max_element(dp, dp + MXN) << '\n';
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 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 0 ms 348 KB Output is correct
2 Correct 1 ms 372 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 500 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 0 ms 348 KB Output is correct
2 Correct 1 ms 372 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 500 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 504 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 512 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 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 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 1 ms 372 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 504 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 500 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 504 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 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 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 0 ms 344 KB Output is correct
3 Correct 0 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 1 ms 372 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 504 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 500 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 504 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 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 1 ms 348 KB Output is correct
35 Correct 24 ms 3544 KB Output is correct
36 Correct 27 ms 3544 KB Output is correct
37 Correct 27 ms 3460 KB Output is correct
38 Correct 23 ms 3760 KB Output is correct
39 Correct 28 ms 4356 KB Output is correct
40 Correct 44 ms 4700 KB Output is correct
41 Correct 35 ms 4096 KB Output is correct
42 Correct 32 ms 3932 KB Output is correct
43 Correct 41 ms 4380 KB Output is correct
44 Correct 40 ms 3928 KB Output is correct
45 Correct 26 ms 4692 KB Output is correct
46 Correct 29 ms 4056 KB Output is correct
47 Correct 28 ms 4992 KB Output is correct
48 Correct 33 ms 4620 KB Output is correct
49 Correct 25 ms 4696 KB Output is correct
50 Correct 37 ms 4180 KB Output is correct