Submission #1301605

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301605		xnoel	Knapsack (NOI18_knapsack)	C++20	100 / 100	199 ms	2784 KiB

knapsack

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

int main() {
    //freopen("1.in","r",stdin);
    long long s,n;
    cin>>s>>n;
    vector<long long> v(n), w(n), k(n);
    for (long long i=0;i<n;i++) cin>>v[i]>>w[i]>>k[i];
    vector<long long> dp(s+1,0);
    for (long long i=0;i<n;i++) {
        for (long long m=0;m<k[i];m++) {
            bool flag=false;
            for (long long j=s;j>=w[i];j--) {
                long long temp=dp[j-w[i]]+v[i];
                if (temp>dp[j]) {
                    dp[j]=temp;
                    flag=true;
                }
            }
            if (!flag) break;
        }
        // for (auto num:dp) cout<<num<<" ";
        // cout<<"\n";
    }
    cout<<dp[s]<<"\n";
}

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