Submission #950320

#	Time	Username	Problem	Language	Result	Execution time	Memory
950320		irmuun	Knapsack (NOI18_knapsack)	C++17	73 / 100	1043 ms	1372 KiB

knapsack

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll s,n;
    cin>>s>>n;
    ll dp[s+5];
    fill(dp,dp+s+1,-1e18);
    dp[0]=0;
    for(ll i=1;i<=n;i++){
        ll v,w,k;
        cin>>v>>w>>k;
        k=min(k,s/w);
        while(k--){
            for(ll j=s-w;j>=0;j--){
                if(dp[j]>=0){
                    dp[j+w]=max(dp[j+w],dp[j]+v);
                }
            }
        }
    }
    ll ans=0;
    for(ll i=0;i<=s;i++){
        ans=max(ans,dp[i]);
    }
    cout<<ans;
}

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