제출 #843648

#제출 시각아이디문제언어결과실행 시간메모리
843648AblablaKnapsack (NOI18_knapsack)C++11
73 / 100
562 ms262144 KiB
#include <bits/stdc++.h>

using namespace std;

struct termek{
    int ertek;
    int suly;
    int mennyiseg;
};

int s, n;
vector<vector<int>> dp;
vector<termek> termekek;

int megold(int ind, int maradt){
    if(maradt < 0){
        return 0;
    }
    if(ind == n){
        return 0;
    }
    if(dp[ind][maradt] != -1){
        return dp[ind][maradt];
    }

    int vissza = 0;

    for(int i = 0; i <= termekek[ind].mennyiseg && maradt - termekek[ind].suly * i >= 0; i++){
        int a = megold(ind + 1, maradt - termekek[ind].suly * i) + termekek[ind].ertek * i;
        //cout << ind << " : " << i << " : " << a << "\n";

        vissza = max(vissza, a);
    }

    return dp[ind][maradt] = vissza;
}

int main()
{
    cin >> s >> n;

    dp.assign(n, vector<int>(s + 1, -1));
    termekek.assign(n, {0, 0, 0});

    for(int i = 0; i < n; i++){
        int a, b, c;
        cin >> a >> b >> c;

        termekek[i] = {a, b, c};
    }

    cout << megold(0, s) << "\n";
}
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