Submission #878992

#	Time	Username	Problem	Language	Result	Execution time	Memory
878992		HoangThong	Knapsack (NOI18_knapsack)	C++14	17 / 100	2 ms	8796 KiB

knapsack

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<long long,long long>
#define all(v) v.begin(),v.end()
#define pb push_back
const long long maxn=1e6;
const long long minn=-1e6;
const long long inf=1e9+7;
int n,w[maxn],v[maxn],k[maxn],s;
ll dp[100001][2001];
void solve(){
	dp[0][0]=0;
	for(int i=1;i<=n;i++){
		for(int j=0;j<=s;j++){
			dp[i][j]=dp[i-1][j];
			if(j>=w[i]&&k[i]){
				ll tg=dp[i][j];
				dp[i][j]=max(dp[i][j],dp[i-1][j-w[i]]+v[i]);
				if(tg>dp[i][j]) k[i]--;
			}
		}
	}	
	cout<<dp[n][s];
}
main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin>>s>>n;
	for(int i=1;i<=n;i++){
		cin>>v[i]>>w[i]>>k[i];
	}
	solve();
//	for(int i=1;i<=n;i++){
//		cout<<v[i]<<" "<<w[i]<<" "<<k[i]<<endl;
//	}
}	

Compilation message (stderr)

knapsack.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~

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