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Submission #982021

# Submission time Handle Problem Language Result Execution time Memory
982021 2024-05-13T18:06:14 Z Amirreza_Fakhri Knapsack (NOI18_knapsack) C++17
100 / 100
 109 ms 151464 KB 
// In the name of the God
#include <bits/stdc++.h>
#define ll long long
// #define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;

// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2")

const int inf = 1e9+7;
const int mod = 998244353;
const int maxw = 2e3+5, maxv = 1e6+5;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int s, n, dp[maxw*15][maxw];
vector <pii> va[maxv];
vector <int> we[maxw];

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> s >> n;
    for (int i = 0; i < n; i++) {
        int v, w, k; cin >> v >> w >> k;
        va[v].pb(mp(w, k));
        // while (k--) we[w].pb(v);
    }
    for (int i = maxv-1; i >= 1; i--) {
        for (pii p : va[i]) {
            int w = p.F, k = p.S;
            int left = s/w-we[w].size();
            while (left and k) {
                we[w].pb(i);
                left--, k--;
            }
        }
    }
    int cnt = 1;
    for (int i = 1; i <= s; i++) {
        for (int j : we[i]) {
            for (int k = 1; k <= s; k++) {
                dp[cnt][k] = dp[cnt-1][k];
                if (i <= k) {
                    smax(dp[cnt][k], dp[cnt-1][k-i]+j);
                }
            }
            cnt++;
        }
    }
    cout << dp[cnt-1][s] << '\n';
    return 0;
}





/*
srand(time(0));
cout << (rand()%1900) + 1 << ' ' << (rand()%2)+5 << '\n';
*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 25176 KB Output is correct
2 Correct 9 ms 25180 KB Output is correct
3 Correct 8 ms 25180 KB Output is correct
4 Correct 8 ms 25268 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 25180 KB Output is correct
2 Correct 9 ms 25180 KB Output is correct
3 Correct 8 ms 25276 KB Output is correct
4 Correct 7 ms 25180 KB Output is correct
5 Correct 8 ms 25196 KB Output is correct
6 Correct 8 ms 25176 KB Output is correct
7 Correct 8 ms 25180 KB Output is correct
8 Correct 8 ms 25180 KB Output is correct
9 Correct 8 ms 25180 KB Output is correct
10 Correct 7 ms 25276 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 25180 KB Output is correct
2 Correct 9 ms 25180 KB Output is correct
3 Correct 8 ms 25276 KB Output is correct
4 Correct 7 ms 25180 KB Output is correct
5 Correct 8 ms 25196 KB Output is correct
6 Correct 8 ms 25176 KB Output is correct
7 Correct 8 ms 25180 KB Output is correct
8 Correct 8 ms 25180 KB Output is correct
9 Correct 8 ms 25180 KB Output is correct
10 Correct 7 ms 25276 KB Output is correct
11 Correct 8 ms 25180 KB Output is correct
12 Correct 12 ms 33368 KB Output is correct
13 Correct 8 ms 25268 KB Output is correct
14 Correct 9 ms 25180 KB Output is correct
15 Correct 8 ms 25180 KB Output is correct
16 Correct 9 ms 27228 KB Output is correct
17 Correct 9 ms 25432 KB Output is correct
18 Correct 9 ms 25180 KB Output is correct
19 Correct 8 ms 27228 KB Output is correct
20 Correct 8 ms 27228 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 25176 KB Output is correct
2 Correct 9 ms 25180 KB Output is correct
3 Correct 8 ms 25180 KB Output is correct
4 Correct 8 ms 25268 KB Output is correct
5 Correct 8 ms 25180 KB Output is correct
6 Correct 9 ms 25180 KB Output is correct
7 Correct 8 ms 25276 KB Output is correct
8 Correct 7 ms 25180 KB Output is correct
9 Correct 8 ms 25196 KB Output is correct
10 Correct 8 ms 25176 KB Output is correct
11 Correct 8 ms 25180 KB Output is correct
12 Correct 8 ms 25180 KB Output is correct
13 Correct 8 ms 25180 KB Output is correct
14 Correct 7 ms 25276 KB Output is correct
15 Correct 8 ms 25180 KB Output is correct
16 Correct 12 ms 33368 KB Output is correct
17 Correct 8 ms 25268 KB Output is correct
18 Correct 9 ms 25180 KB Output is correct
19 Correct 8 ms 25180 KB Output is correct
20 Correct 9 ms 27228 KB Output is correct
21 Correct 9 ms 25432 KB Output is correct
22 Correct 9 ms 25180 KB Output is correct
23 Correct 8 ms 27228 KB Output is correct
24 Correct 8 ms 27228 KB Output is correct
25 Correct 7 ms 25180 KB Output is correct
26 Correct 15 ms 41712 KB Output is correct
27 Correct 8 ms 25180 KB Output is correct
28 Correct 8 ms 25176 KB Output is correct
29 Correct 9 ms 25176 KB Output is correct
30 Correct 10 ms 29276 KB Output is correct
31 Correct 8 ms 25196 KB Output is correct
32 Correct 8 ms 25180 KB Output is correct
33 Correct 9 ms 27228 KB Output is correct
34 Correct 11 ms 27228 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 25176 KB Output is correct
2 Correct 9 ms 25180 KB Output is correct
3 Correct 8 ms 25180 KB Output is correct
4 Correct 8 ms 25268 KB Output is correct
5 Correct 8 ms 25180 KB Output is correct
6 Correct 9 ms 25180 KB Output is correct
7 Correct 8 ms 25276 KB Output is correct
8 Correct 7 ms 25180 KB Output is correct
9 Correct 8 ms 25196 KB Output is correct
10 Correct 8 ms 25176 KB Output is correct
11 Correct 8 ms 25180 KB Output is correct
12 Correct 8 ms 25180 KB Output is correct
13 Correct 8 ms 25180 KB Output is correct
14 Correct 7 ms 25276 KB Output is correct
15 Correct 8 ms 25180 KB Output is correct
16 Correct 12 ms 33368 KB Output is correct
17 Correct 8 ms 25268 KB Output is correct
18 Correct 9 ms 25180 KB Output is correct
19 Correct 8 ms 25180 KB Output is correct
20 Correct 9 ms 27228 KB Output is correct
21 Correct 9 ms 25432 KB Output is correct
22 Correct 9 ms 25180 KB Output is correct
23 Correct 8 ms 27228 KB Output is correct
24 Correct 8 ms 27228 KB Output is correct
25 Correct 7 ms 25180 KB Output is correct
26 Correct 15 ms 41712 KB Output is correct
27 Correct 8 ms 25180 KB Output is correct
28 Correct 8 ms 25176 KB Output is correct
29 Correct 9 ms 25176 KB Output is correct
30 Correct 10 ms 29276 KB Output is correct
31 Correct 8 ms 25196 KB Output is correct
32 Correct 8 ms 25180 KB Output is correct
33 Correct 9 ms 27228 KB Output is correct
34 Correct 11 ms 27228 KB Output is correct
35 Correct 35 ms 29276 KB Output is correct
36 Correct 46 ms 45908 KB Output is correct
37 Correct 45 ms 45652 KB Output is correct
38 Correct 38 ms 29532 KB Output is correct
39 Correct 45 ms 30292 KB Output is correct
40 Correct 101 ms 151464 KB Output is correct
41 Correct 69 ms 99176 KB Output is correct
42 Correct 70 ms 105556 KB Output is correct
43 Correct 109 ms 150584 KB Output is correct
44 Correct 89 ms 150596 KB Output is correct
45 Correct 50 ms 38388 KB Output is correct
46 Correct 27 ms 28108 KB Output is correct
47 Correct 65 ms 48752 KB Output is correct
48 Correct 67 ms 85588 KB Output is correct
49 Correct 30 ms 28000 KB Output is correct
50 Correct 72 ms 99916 KB Output is correct