Submission #591945

#	Time	Username	Problem	Language	Result	Execution time	Memory
591945		multifanblinks	Knapsack (NOI18_knapsack)	C++14	73 / 100	1077 ms	3916 KiB

knapsack

#include <iostream>

using namespace std;

typedef long long ll;

const unsigned MAX = 100003, MAX_2 = 2003;

int s, n;
ll v[MAX], w[MAX], k[MAX], sack[MAX_2];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    cin >> s >> n;
    for (int i = 0; i < n; i++)
        cin >> v[i] >> w[i] >> k[i];
    
    for (int i = 0; i <= s; i++)
        sack[i] = 0;
    for (int i = 0; i < n; i++)
        for (int j = s; j >= 0; j--)
            for (int q = 1; q * w[i] <= j && q <= k[i]; q++)
                sack[j] = max(sack[j], sack[j - q * w[i]] + q * v[i]);
    
    cout << sack[s];

    return 0;
}

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