Submission #780376

#	Time	Username	Problem	Language	Result	Execution time	Memory
780376		makanhulia	Knapsack (NOI18_knapsack)	C++17	0 / 100	87 ms	262144 KiB

knapsack

#include<bits/stdc++.h>
using namespace std;
#define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
int t, n;
struct korek {
    int l, e, k;
};
korek arr[100004];
int val[100004][2004];
int ks(int idx, int weight) {
    if(idx == n) return 0;
    if(weight <= 0) return 0;
    if(val[idx][weight] != -1) return val[idx][weight];

    int ret = ks(idx+1, weight);
    for(int i = 1; i <= arr[idx].k; i++) {
        if(weight-i*arr[idx].e >= 0) ret = max(ret, ks(idx+1, weight-i*arr[idx].e)+i*arr[idx].l);
        else break;
    }
    return val[idx][weight] = ret;
}
signed main() {
    ioss;
    memset(val, -1, sizeof(val));
    cin >> t >> n;
    for(int i = 0; i < n; i++) cin >> arr[i].l >> arr[i].e >> arr[i].k;
    int ans = ks(0, t);
    cout << ans << endl;
}

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