Submission #1192504

#	Time	Username	Problem	Language	Result	Execution time	Memory
1192504		dprto	Knapsack (NOI18_knapsack)	C++20	73 / 100	103 ms	456 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define x first
#define y second
#define MASK(i) (1 << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
#define f(i, l, r) for(int i = l; i <= r; ++i)
const int mod = 1e9 + 7;
const int ars = 2e3 + 5;
const ll infll = 1e18;


int s, n, v[ars], w[ars], k[ars], dp[ars];
signed main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> s >> n;

    for(int i = 1; i <= n; ++i){
        cin >> v[i] >> w[i] >> k[i];
    }

    for(int i = 0; i <= s; ++i) dp[i] = 0;

    f(i, 1, n){
        for(int j = s; j >= w[i]; --j){
            for(int q = 1; q <= k[i] and q * w[i] <= j; ++q){
                dp[j] = max(dp[j], dp[j - q * w[i]] + q * v[i]);
            }
        }
    }

    cout << dp[s];


    return 0;
}

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