Submission #827981

#	Time	Username	Problem	Language	Result	Execution time	Memory
827981		Kak008723	Knapsack (NOI18_knapsack)	C++14	37 / 100	1 ms	468 KiB

knapsack

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll V[100005],W[100005];
ll T,n,dp[100005];
int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>T>>n;
	int num=1;
	
	
	for(int i=1;i<=n;++i){
		int v,w,s;
		cin>>v>>w>>s;
		
		for(int j=1;j<=s;j*=2){
			V[num]=j*v;
			W[num]=j*w;
			num++;
			s-=j;
		}
		if(s){
			V[num]=s*v;
			W[num]=s*w;
			num++;
		}
	}
	/*cout<<"\n";
	for(int i=1;i<num;i++){
	cout<<W[i]<<' ';
}*/
	
	for(int i=1;i<=num;i++){
		for(int j=T;j-W[i]>=0;j--){
			dp[j]=max(dp[j],dp[j-W[i]]+V[i]);
		}
	}
	cout<<dp[T];
}

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