oj.uz

Submission #968375

# Submission time Handle Problem Language Result Execution time Memory
968375 2024-04-23T11:08:11 Z ventusliberum Knapsack (NOI18_knapsack) C++17
100 / 100
 41 ms 3676 KB 
/**
 *    title:  Knapsack
**/
#include <bits/stdc++.h>
using namespace std;

#define si(x) int(x.size())
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define overload(a, b, c, d, ...) d
#define rep0(n) for (int _ = 0; _ < (n); _++)
#define rep1(i, n) for (int i = 0; i < (n); i++)
#define rep2(i, a, b) for (int i = (a); i < (b); i++)
#define rrep1(i, n) for (int i = (n) - 1; i >= 0; i--)
#define rrep2(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define rep(...) overload(__VA_ARGS__, rep2, rep1, rep0)(__VA_ARGS__)
#define rrep(...) overload(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__)
template <class T, class U> inline bool chmax(T &a, U b) { return (a < b ? a = b, 1 : 0); }
template <class T, class U> inline bool chmin(T &a, U b) { return (b < a ? a = b, 1 : 0); }
template <class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; }
template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { rep(i, si(v)) os << (i ? " " : "") << v[i]; return os; }
using ll = long long;
constexpr int inf = 1001001001;
constexpr long long infll = 4004004004004004004LL;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);

  int s, n;
  cin >> s >> n;
  vector<vector<pair<int, int>>> use(s+1);
  rep(n) {
    int v, w, k;
    cin >> v >> w >> k;
    use[w].push_back({v, k});
  }
  rep(i, s+1) {
    sort(rall(use[i]));
  }

  vector<int> dp(s+1);
  rep(t, 1, s+1) {
    int sum = 0;
    for (auto [v, k] : use[t]) {
      rep(k) {
        sum += t;
        if (sum > s) goto END;
        rrep(i, t, s+1) {
          chmax(dp[i], dp[i-t] + v);
        }
      }
    }
END:{}
  }

  cout << dp[s] << '\n';
}

Subtask #1
12.0 / 12.0

# 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 0 ms 348 KB Output is correct
4 Correct 0 ms 600 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 600 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 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 344 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 600 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 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 344 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 0 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 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 344 KB Output is correct

Subtask #4
24.0 / 24.0

# 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 0 ms 348 KB Output is correct
4 Correct 0 ms 600 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 600 KB Output is correct
8 Correct 0 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 348 KB Output is correct
12 Correct 0 ms 452 KB Output is correct
13 Correct 0 ms 344 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 0 ms 348 KB Output is correct
18 Correct 0 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 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 0 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 1 ms 348 KB Output is correct
31 Correct 1 ms 604 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 348 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 600 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 600 KB Output is correct
8 Correct 0 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 348 KB Output is correct
12 Correct 0 ms 452 KB Output is correct
13 Correct 0 ms 344 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 0 ms 348 KB Output is correct
18 Correct 0 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 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 0 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 1 ms 348 KB Output is correct
31 Correct 1 ms 604 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 2264 KB Output is correct
36 Correct 25 ms 2512 KB Output is correct
37 Correct 25 ms 2516 KB Output is correct
38 Correct 23 ms 2892 KB Output is correct
39 Correct 26 ms 3532 KB Output is correct
40 Correct 41 ms 3676 KB Output is correct
41 Correct 29 ms 2976 KB Output is correct
42 Correct 32 ms 2904 KB Output is correct
43 Correct 37 ms 2976 KB Output is correct
44 Correct 40 ms 2976 KB Output is correct
45 Correct 27 ms 3672 KB Output is correct
46 Correct 26 ms 3268 KB Output is correct
47 Correct 28 ms 3676 KB Output is correct
48 Correct 32 ms 3664 KB Output is correct
49 Correct 24 ms 3420 KB Output is correct
50 Correct 38 ms 3452 KB Output is correct