Submission #1139491

#	Time	Username	Problem	Language	Result	Execution time	Memory
1139491		Daniel_1997	Knapsack (NOI18_knapsack)	C++20	73 / 100	1096 ms	27540 KiB

knapsack

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

//\\ PRINCIPAL \\//

#define int long long
#define mod 800000007
#define ios ios_base::sync_with_stdio(0); cin.tie(0),cout.tie(0)

//\\ STL \\//

#define pb push_back
#define fr first
#define sc second
#define all(x) x.begin(), x.end()

int32_t main() {
    ios;
    int s,n;
    cin >> s >> n;
    
    vector< pair< int, pair< int,int> > >v(n);
    vector< pair< int, pair< int,int> > >v2;

    for(int l = 0; l < v.size(); l++) 
    {
        cin >> v[l].fr >> v[l].sc.fr >> v[l].sc.sc;
        
        if(v[l].sc.sc > s)v[l].sc.sc = s;

        pair< int, pair< int,int> > i = v[l];
        int aux = i.sc.sc;

        for(int j = 0; j < 13; j++) 
        {
            int aux2 = (1 << j);
            if(aux >= aux2) 
            {   
                v2.pb({i.fr * aux2,{i.sc.fr * aux2,1}});
                aux -= aux2;
            }
            
        }
        
        if(aux == 0)continue;
        v2.pb({i.fr * aux,{i.sc.fr * aux,1}});
    }
    
    
    vector<int>dp(s + 1,0);
    int maxx=0;

    for(pair< int, pair< int,int> > i : v2)
    {
        for(int j = s; j >= i.sc.fr; j--)
        {
            dp[j] = max(dp[j],dp[j - i.sc.fr] + i.fr);
            maxx = max(maxx,dp[j]);
        }
    }

    cout << maxx << endl;
    
    return 0;
}

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