Submission #1279660

#	Time	Username	Problem	Language	Result	Execution time	Memory
1279660		hanguyendanghuy	Knapsack (NOI18_knapsack)	C++20	73 / 100	1096 ms	580 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define fi first
#define se second
constexpr ll MAXN=3e5+5,MAXV=3e5,MOD=1e9+7,INF=1e18;
ll n,m,i,j,p,k,ans,dem,st,en,dp[MAXN];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>m>>n;
    for(i=1;i<=n;i++){
        ll weight,cost,cnt;
        cin>>cost>>weight>>cnt;
        for(j=m;j>=weight;j--){
            for(ll k=1;k<=cnt&&j-k*weight>=0;k++){
                dp[j]=max(dp[j],dp[j-k*weight]+cost*k);
            }
        }
    }
    cout<<*max_element(dp+1,dp+m+1);
}

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