Submission #748795

#	Time	Username	Problem	Language	Result	Execution time	Memory
748795		hippo123	Knapsack (NOI18_knapsack)	C++17	0 / 100	1085 ms	340 KiB

knapsack

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


int main(){
	int s, n; cin>>s>>n;
	
	vector<int> v(n+1);
	vector<int> w(n+1);
	vector<int> k(n+1);
	

	
	vector<vector<int>> dp(s+1, vector<int>(n+1, 0));
	
	for  (int i=1; i<=n; i++){
		cin>>v[i]>>w[i]>>k[i];
	}
	cout<<k[1]<<endl;
	
	for (int i=1; i<=n; i++){
		for (int m=1; m<=k[i]; m++){
			for (int j=0; j<=s; j++){
				if(j+w[i]<=s && dp[j][i-1]>0) 			dp[j+w[i]][i] = max(dp[j+w[i]][i], dp[j][i-1]+v[i]);
				if((j+w[i]<=s && dp[j][i]>0) || j==0)   dp[j+w[i]][i] = max(dp[j+w[i]][i], dp[j][i]+v[i]);	
				
			}
		}
		//for (int j=1; j<=s; j++) 	cout<<dp[j][i]<<" ";
		//cout<<endl;
	}
	int cmax=0;
	for (int i=1; i<=n; i++){
		for (int j=s; j>0; j--){
			if(dp[j][i]>0) {
				cmax=max(cmax, dp[j][i]); break;
			}
		}
	}
	cout<<cmax;
	
}

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