Submission #384285

#	Time	Username	Problem	Language	Result	Execution time	Memory
384285		rumen_m	Cloud Computing (CEOI18_clo)	C++17	100 / 100	806 ms	2192 KiB

clo

# include <bits/stdc++.h>
using namespace std;
const long long maxn = 5005;
struct query
{
    long long idx;
    long long c,f,v;
};
query q[maxn];

long long cores[200005][2];
bool cmp(query i, query j)
{
    if(i.f==j.f)
    {
        return i.v<j.v;
    }
    return i.f>j.f;
}
long long SUM = 0;
long long n,m;
void solve()
{
    long long i,j;
    long long maxs= n*50;
    for(i=1;i<=maxs;i++)
        cores[i][0] = -1e18;
    cores[0][0] = 0;
    bool fl = 1;
    for(i=1;i<=n+m;i++)
    {
       // cout<<q[i].c<<" "<<q[i].f<<" "<<q[i].v<<endl;
        for(j=0;j<=maxs;j++)
        {

            cores[j][fl] = cores[j][!fl];
          //  if(j==0)cores[j][fl]=0;
            if((j-q[i].c)>=0&&(j-q[i].c)<=maxs)
            {
                cores[j][fl] = max(cores[j][fl],max(cores[j][!fl],cores[j-q[i].c][!fl]+q[i].v));
            }
            //cout<<j<<" -> "<<cores[j][fl]<<endl;
        }
        fl=!fl;
    }
    long long ans = -1e18;
    for(i=0;i<=maxs;i++)
    {
        ans = max(ans,cores[i][!fl]);
    }
    cout<<ans<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    long long i,j;
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>q[i].c>>q[i].f>>q[i].v;
        q[i].v = -q[i].v;
    }

    cin>>m;
    for(i=1;i<=m;i++)
    {
        cin>>q[n+i].c>>q[n+i].f>>q[n+i].v;
       q[n+i].c = -q[n+i].c;
    }
    sort(q+1,q+m+n+1,cmp);
    //cout<<"OK"<<endl;
    solve();

}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:58:17: warning: unused variable 'j' [-Wunused-variable]
   58 |     long long i,j;
      |                 ^

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