Submission #797874

#	Time	Username	Problem	Language	Result	Execution time	Memory
797874		OrazB	Knapsack (NOI18_knapsack)	C++14	73 / 100	1068 ms	1396 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pii pair <int, int>
#define pb push_back
#define ff first
#define ss second

const int N = 1e5+5;
int dp[N], cur[N];

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int S, n;
	cin >> S >> n;
	for (int i = 1; i <= n; i++){
		int v, w, k;
		cin >> v >> w >> k;
		k = min(k, 2000);
		while(k--){
			for (int j = S-w; j >= 0; j--){
				if (!j or dp[j]) dp[j+w] = max(dp[j+w], dp[j]+v);
			}
		}
		// wh
		// for (int j = 0; j <= S-w; j++){
		// 	if ((!j or dp[j]) and cur[j] < k){
		// 		if (dp[j+w] < dp[j]+v){
		// 			dp[j+w] = dp[j]+v;
		// 			cur[j+w] = cur[j]+1;
		// 		}else if (dp[j+w] == dp[j]+v) cur[j+w] = min(cur[j+w], cur[j]+1);
		// 	}
		// }
		// for (int j = 0; j <= S; j++) cur[j] = 0;
	}
	cout << *max_element(dp+1,dp+S+1);
}	

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