Submission #1313473

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313473		Chater	Knapsack (NOI18_knapsack)	C++20	0 / 100	1095 ms	332 KiB

knapsack

#include <bits/stdc++.h>

using namespace std;

#define ll long long
const ll inf = -1e16;
#define sc second
#define fr first
#define all(x) x.begin(),x.end()
#define roll(x) x.rbegin(),x.rend()
#define pb push_back
#define el '\n'
const ll mod = 1e9 + 7;
void solve() {
	ll n,k;cin >> n >> k;
	vector<ll> dp(k+1,-1);
	dp[0] = 0;
	while(n--){
		ll v,w,s;cin >> v >> w >> s;
		for(ll t = 0;t<s;t++){
			for(ll i = k;i>=v;i--){
				if(dp[i-v] == -1)continue;
				dp[i] = max(dp[i],dp[i-v] + w);
			}
		}
	}
	cout << dp[k];
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    /*ll t;cin >>t;
    while (t--)*/solve();

    return 0;
};

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