Submission #448749

#	Time	Username	Problem	Language	Result	Execution time	Memory
448749		CaoHuuKhuongDuy	Cloud Computing (CEOI18_clo)	C++14	100 / 100	1022 ms	2036 KiB

clo

#include <iostream>
#include <stdio.h>
#include <algorithm>
using namespace std;
#define int long long
const int N=2e5+9;
const int oo=1e17;
int f[2][N];
struct computer
{
	int c,f,val;
}a[N];
bool compa(computer a,computer b)
{
	if (a.f==b.f) return a.c>b.c;
	return a.f>b.f;
}
signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	//freopen("test.inp","r",stdin);
	int n,m;
	cin>>n;
	int sum=0;
	for (int i=1;i<=n;i++)
	  {
	    cin>>a[i].c>>a[i].f>>a[i].val;
	    a[i].val=-a[i].val;
	    sum+=a[i].c;
	  }
	cin>>m;
	for (int i=n+1;i<=n+m;i++)
	  {
	    cin>>a[i].c>>a[i].f>>a[i].val;
	    a[i].c=-a[i].c;
	  }
	n+=m;
	sort(a+1,a+1+n,compa);
	for (int j=0;j<=sum+52;j++)
	 f[0][j]=-oo;
	f[0][0]=0;
	int res=0;
	for (int i=1;i<=n;i++)
	  {
	  	int now=i&1;
	  	int past=(i-1)&1;
	  	for (int j=0;j<=sum+52;j++)
	  	  f[now][j]=-oo;
	    for (int j=0;j<=sum;j++)
	      {
	        f[now][j]=f[past][j];
	        if (j-a[i].c>=0) f[now][j]=max(f[now][j],f[past][j-a[i].c]+a[i].val);
	        if (i==n) res=max(res,f[now][j]);
	      }
	  }  
	cout<<res;
	return 0;
}

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