Submission #1354685

#TimeUsernameProblemLanguageResultExecution timeMemory
1354685meme_boi2Knapsack (NOI18_knapsack)C++20
73 / 100
1095 ms2784 KiB
#include <bits/stdc++.h>
using namespace std;
long long CalculateKnapsack(int S, vector<array<long long,3>> &items){
        int n = items.size();
       // sort(items.begin(),items.end());
        // v, w, k
        vector<long long> dp(S+1,0);
        long long ans = 0;
        for(int i = 0; i < n; i++){
            for(int j = S; j >= 0; j--){ 
                for(int t = 1; t <= items[i][2] && j - t * items[i][1] >= 0; t++){
                    dp[j] = max(dp[j], dp[j - t * items[i][1]] + t * items[i][0]);
                    ans = max(ans,dp[j]);
                }
            }
        }
    return ans;
}
int32_t main(){
    cin.tie(nullptr)->sync_with_stdio(0); 
    int S; int N;
    cin >> S >> N;
    vector<array<long long,3>> items(N);
    for(auto &[V,W,K] : items){
        cin >> V >> W >> K;
    }
    cout << CalculateKnapsack(S,items) << '\n';
}
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