Submission #1092203

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092203		quan606303	Cloud Computing (CEOI18_clo)	C++14	0 / 100	4 ms	1116 KiB

clo

#include <bits/stdc++.h>
#define int long long
#define ll long long
#define fi first
#define se second
#define memfull(a,b) memset(a,b,sizeof(a))
#define endl '\n'
using namespace std;
struct plinh
{
   int sophong,yeucau,tien;
};
plinh hotel[2005],customer[2005];
int n,m;
const int maxw=2000*50;
int dp1[maxw+7],dp2[maxw+7];
void solve()
{
    for (int i=1;i<=maxw;i++)dp1[i]=-1e18;
    for (int i=1;i<=n;i++)
    {
        for (int j=maxw;j>=1;j--)
        {
            if (j-hotel[i].sophong>=0&&dp1[j-hotel[i].sophong]!=-1e18)dp1[j]=max(dp1[j],dp1[j-hotel[i].sophong]-hotel[i].tien);
        }
    }
   
    for (int i=1;i<=m;i++)
    {
        for (int j=maxw;j>=1;j--)
        {
             if (j-customer[i].sophong>=0)dp2[j]=max(dp2[j],dp2[j-customer[i].sophong]+customer[i].tien);
        }
    }
  
    int ans=0;
    for (int i=1;i<=maxw;i++)ans=max(ans,dp2[i]+dp1[i]);
    cout<<ans;
}
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    freopen("TEST.INP","r",stdin);
    freopen("TEST.OUT","w",stdout);
    cin>>n;
    for (int i=1;i<=n;i++)cin>>hotel[i].sophong>>hotel[i].yeucau>>hotel[i].tien;
    cin>>m;
    for (int i=1;i<=m;i++)cin>>customer[i].sophong>>customer[i].yeucau>>customer[i].tien;
    solve();
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int32_t main()':
clo.cpp:45:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |     freopen("TEST.INP","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
clo.cpp:46:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |     freopen("TEST.OUT","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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