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Submission #963257

# Submission time Handle Problem Language Result Execution time Memory
963257 2024-04-14T19:34:11 Z biank Knapsack (NOI18_knapsack) C++14
100 / 100
 45 ms 5132 KB 
#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ii = pair<ll, ll>;

#define all(x) begin(x), end(x)
#define sz(x) int(x.size())

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    int s, n;
    cin >> s >> n;
    vector<ii> items[s + 1];
    for (int i = 0; i < n; i++) {
        ll v, w, k;
        cin >> v >> w >> k;
        items[w].emplace_back(v, k);
    }
    vector<ll> dp(s + 1, 0);
    for (int w = 1; w <= s; w++) {
        sort(all(items[w]), greater<ii>());
        int i = 0;
        for (ll cant = 1; cant * w <= s && i < sz(items[w]); cant++) {
            auto &[v, k] = items[w][i];
            for (int j = s; j >= w; j--) {
                dp[j] = max(dp[j], dp[j - w] + v);
            }
            if (--k == 0) i++;
        }
    }
    cout << dp[s] << '\n';
    
    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:28:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   28 |             auto &[v, k] = items[w][i];
      |                   ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 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 0 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 0 ms 456 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 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 0 ms 456 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 352 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 344 KB Output is correct
19 Correct 1 ms 344 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 0 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 0 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 1 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 352 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 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 1 ms 352 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 452 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 356 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 0 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 0 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 1 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 352 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 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 1 ms 352 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 452 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 356 KB Output is correct
35 Correct 23 ms 3476 KB Output is correct
36 Correct 28 ms 3596 KB Output is correct
37 Correct 31 ms 3496 KB Output is correct
38 Correct 27 ms 3772 KB Output is correct
39 Correct 26 ms 4364 KB Output is correct
40 Correct 45 ms 4696 KB Output is correct
41 Correct 31 ms 3928 KB Output is correct
42 Correct 32 ms 3928 KB Output is correct
43 Correct 45 ms 4136 KB Output is correct
44 Correct 40 ms 3928 KB Output is correct
45 Correct 27 ms 4688 KB Output is correct
46 Correct 26 ms 4108 KB Output is correct
47 Correct 28 ms 5132 KB Output is correct
48 Correct 33 ms 4696 KB Output is correct
49 Correct 26 ms 4444 KB Output is correct
50 Correct 43 ms 4240 KB Output is correct