Submission #635829

#	Time	Username	Problem	Language	Result	Execution time	Memory
635829		zeroesandones	Knapsack (NOI18_knapsack)	C++17	37 / 100	1086 ms	66032 KiB

knapsack

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

typedef long long ll;
typedef long double ld;
typedef vector<ll> vi;
typedef pair<ll, ll> pi;

#define FOR(i, j, k) for (ll i = j; i < (ll) k; ++i)
#define FORD(i, j, k) for (ll i = j; i >= (ll) k; --i)
#define nl "\n"
#define all(x) (x).begin(), (x).end()

#define sc second
#define fr first
#define pb push_back

void solve()
{
    int s, n;
    cin >> s >> n;

    vector<pi> a;
    FOR(i, 0, n) {
        int v, w, k;
        cin >> v >> w >> k;
        FOR(j, 0, k) {
            a.pb({v, w});
        }
    }

    ll dp[s + 1] = {};
    FOR(i, 0, a.size()) {
        FORD(j, s, 1) {
            if(j - a[i].sc >= 0) {
                dp[j] = max(dp[j], dp[j - a[i].sc] + a[i].fr);
            }
        }
    }

    cout << dp[s] << nl;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    ll t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }
}

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