Submission #1023681

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023681		vjudge1	Cloud Computing (CEOI18_clo)	C++17	54 / 100	491 ms	2180 KiB

clo

#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pld pair<ld, ld>
#define pb push_back
#define fi first
#define se second
#define debug(x) cout << #x << " => " << x << endl
#define all(x) x.begin(),x.end()

int main()
{
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	int n;cin>>n;
	ll c[n],f[n],v[n];
	for(int i=0;i<n;i++) cin>>c[i]>>f[i]>>v[i];
	int m;cin>>m;
	ll C[m],F[m],V[m];
	for(int i=0;i<m;i++) cin>>C[i]>>F[i]>>V[i];
	vector<pii> a;
	for(int i=0;i<n;i++) a.pb({f[i],i});
	for(int i=0;i<m;i++) a.pb({F[i],n+i});
	sort(all(a),greater<pii>());

	ll dp[2][n*50+10];
	for(int j=1;j<=n*50;j++) dp[1][j]=-1e15;
	dp[1][0]=0;
	for(int i=0;i<n+m;i++)
	{
		ll idx=a[i].se;
		for(int j=0;j<=n*50;j++)
		{
			dp[i%2][j]=dp[(i+1)%2][j];
			if(idx<n && j-c[idx]>=0) dp[i%2][j]=max(dp[i%2][j],dp[(i+1)%2][j-c[idx]]-v[idx]);
			else if(idx>=n && j+C[idx-n]<=n*50) dp[i%2][j]=max(dp[i%2][j],dp[(i+1)%2][j+C[idx-n]]+V[idx-n]);
		}
	}	
	ll ans=0;
	for(int j=0;j<=n*50;j++) ans=max(ans,dp[(n+m+1)%2][j]);
	cout<<ans;
	return 0;
}

• Subtask 1: 18 / 18
• Subtask 2: 0 / 18
• Subtask 3: 18 / 18
• Subtask 4: 0 / 18
• Subtask 5: 18 / 18
• Subtask 6: 0 / 10