Submission #1195852

#	Time	Username	Problem	Language	Result	Execution time	Memory
1195852		osheesh	Knapsack (NOI18_knapsack)	C++20	37 / 100	1 ms	328 KiB

knapsack

#include <bits/stdc++.h>
#define en '\n'
#define sp ' '
#define ll long long
#define pii pair<int, int>
#define piii pair<int, pair<int, int>>
#define maxx(a,b) a=max(a,b)
#define minn(a,b) a=min(a,b)
#define st first
#define nd second
using namespace std;

const int N=1e5+5;
int dp[2005],v[N],w[N],k[N];

int main(){ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int wei,n; cin>>wei>>n;
    for(int i=1;i<=n;i++) cin>>v[i]>>w[i]>>k[i];
    for(int i=1;i<=n;i++){
        for(int j=1;k[i];j<<=1){
            int cnt=min(j,k[i]);
            int nv=v[i]*cnt,nw=w[i]*cnt;
            for(int k=wei;k>0;k--)if(k-nw>=0) maxx(dp[k],dp[k-nw]+nv);
            k[i]-=cnt;
        }
    }
    cout<<dp[wei];
    return 0;
}

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