Submission #1326171

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326171		fsdahgfter	Knapsack (NOI18_knapsack)	C++20	73 / 100	1095 ms	424 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define endl '\n'
#define size(x) (int)(x).size()

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int s, n;
    cin >> s >> n;
    vector<int> dp(s + 1);
    for(int i = 0; i < n; i++) {
        int v, w, k;
        cin >> v >> w >> k;
        
        for(int id = 1; k > 0; id <<= 1) {
            int take = min(id, k);
            k -= id;
            for(int j = s; j >= w * take; j--) {
                dp[j] = max(dp[j], dp[j - w * take] + v * take);
            }
        }
    }
    cout << dp[s];
    return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 0 / 27