Submission #368100

#	Time	Username	Problem	Language	Result	Execution time	Memory
368100		ogibogi2004	Cloud Computing (CEOI18_clo)	C++14	100 / 100	435 ms	1516 KiB

clo

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=1e5+6;
const ll INF=1e17;
struct event
{
	int c,f,v;
	int type;
	bool operator<(event const& other)const
	{
		if(f!=other.f)return f>other.f;
		if(type!=other.type)return type==1;
		return v<other.v;
	}
};
vector<event>e;
ll dp[MAXN];
ll n,m;
void solve()
{
	cin>>n;
	for(int i=0;i<n;i++)
	{
		int x,y,z;
		cin>>x>>y>>z;
		e.push_back({x,y,z,1});
	}
	cin>>m;
	for(int i=0;i<m;i++)
	{
		int x,y,z;
		cin>>x>>y>>z;
		e.push_back({x,y,z,-1});
	}
	sort(e.begin(),e.end());
	for(int i=1;i<MAXN;i++)dp[i]=-INF;
	for(int i=0;i<e.size();i++)
	{
		if(e[i].type==1)
		{
			for(int j=MAXN-e[i].c-1;j>=0;j--)
			{
				dp[j+e[i].c]=max(dp[j+e[i].c],dp[j]-e[i].v);
			}
		}
		else
		{
			for(int j=e[i].c;j<MAXN;j++)
			{
				dp[j-e[i].c]=max(dp[j-e[i].c],dp[j]+e[i].v);
			}
		}
	}
	ll ans=-INF;
	for(int i=0;i<MAXN;i++)
	{
		ans=max(ans,dp[i]);
	}
	cout<<ans<<endl;
}
int main()
{
	solve();
return 0;
}

Compilation message (stderr)

clo.cpp: In function 'void solve()':
clo.cpp:38:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |  for(int i=0;i<e.size();i++)
      |              ~^~~~~~~~~

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