Submission #947158

#	Time	Username	Problem	Language	Result	Execution time	Memory
947158		asmalltyphoon	Cloud Computing (CEOI18_clo)	C++17	100 / 100	415 ms	2392 KiB

clo

#include <bits/stdc++.h>

typedef long long ll;

using namespace std;
signed main()
{
    ios_base::sync_with_stdio();
    cin.tie(0);
    cout.tie(0);
    ll n,m,M,ans,a,b,c,i,j;

    cin>>n;
    M=n*50+1;
    vector <vector<ll> > g;
    for(i=0;i<n;i++)
    {
        cin>>a>>b>>c;
        g.push_back({b,1,a,c});
    }
    cin>>m;
    for(i=0;i<m;i++)
    {
        cin>>a>>b>>c;
        g.push_back({b,0,a,c});
    }
    sort(g.begin(),g.end());

    vector<ll> dp(200020);
    for(i=0;i<2*M+10;i++)
    {
        dp[i]=-1000000000000000000;
    }
    dp[0]=0;
    for(i=n+m-1;i>=0;i--)
    {
        if(g[i][1]==0)
        {
            for(j=g[i][2];j<=M;j++)
            {
                dp[j-g[i][2]]=max(dp[j-g[i][2]],dp[j]+g[i][3]);
            }
        }
        else
        {
            for(j=M;j>=0;j--)
            {
                dp[j+g[i][2]]=max(dp[j+g[i][2]],dp[j]-g[i][3]);
            }
        }
    }
    ans=0;
    for(i=0;i<=M;i++)
    {
        ans=max(ans,dp[i]);
    }
    cout<<ans<<"\n";
}

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