Submission #1158406

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158406		Alfraganus	Knapsack (NOI18_knapsack)	C++20	73 / 100	1096 ms	2632 KiB

knapsack

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

#define int long long
#define str string
#define endl '\n'
#define fs first
#define ss second
#define all(a) a.begin(), a.end()

#define print(a) for(auto x : a) cout << x << ' '; cout << endl;
#define printmp(a) for(auto x : a) cout << x[0] << ' ' << x[1] << endl;

const int mod = 1e9 + 7;

void solve(){
    int s, n;
    cin >> s >> n;
    vector<int> v(n), w(n), k(n);
    for(int i = 0; i < n; i ++)
        cin >> v[i] >> w[i] >> k[i];
    vector<int> dp(s + 1);
    for(int i = 0; i < n; i ++){
        for(int j = s; j >= 0; j --){
            for(int t = 1; t <= k[i] and j >= t * w[i]; t ++){
                dp[j] = max(dp[j], dp[j - t * w[i]] + v[i] * t);
            }
        }
    }
    cout << *max_element(all(dp));
}

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    int t = 1;
    // cin >> t;
    while(t --){
        solve();
        cout << endl;
    }
}

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