Submission #1142863

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142863		why1	Cloud Computing (CEOI18_clo)	C++20	18 / 100	2561 ms	1948 KiB

clo

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int,int>
#define sz size()
#define all(v) v.begin(),v.end()
#define fi first
#define se second

const int N = 2e5;
const int mod = 1e9+7;
const ll INF = 1e18;

const int di[] = {1, -1, 0, 0};
const int dj[] = {0, 0, 1, -1};

pair<int,pair<int,ll>> a[N+1],b[N+1];

void solve() {
	int n,m;
	cin>>n;
	int s1=0,s2=0;
	for(int i = 1; i <= n; i++){
		cin>>a[i].fi>>a[i].se.fi>>a[i].se.se;	
		s1+=a[i].fi;
	}
	cin>>m;
	for(int i = 1; i <= m; i++){
		cin>>b[i].fi>>b[i].se.fi>>b[i].se.se;	
		s2+=b[i].fi;
	}
	ll dp_max[s1+1];
	for(int i = 0; i <= s1; i++){
		dp_max[i]=INF;
	}
	dp_max[0]=0;
	for(int i = 1; i <= n; i++){
		for(int j = s1; j >= a[i].fi; j--){
			dp_max[j]=min(dp_max[j],dp_max[j-a[i].fi]+a[i].se.se);
		}
	}
	ll dp_min[s2+1];
	memset(dp_min,0,sizeof(dp_min));
	for(int i = 1; i <= m; i++){
		for(int j = s2; j >= b[i].fi; j--){
			dp_min[j]=max(dp_min[j],dp_min[j-b[i].fi]+b[i].se.se);
		}
	}
	ll ans=0;
	for(int i = 1; i <= s1; i++){
		for(int j = 1; j <= min(s2,i); j++){
			ans=max(ans,dp_min[j]-dp_max[i]);
		}
	}

	cout<<ans<<"\n";
}

int main() {

	//freopen("cowrun.in","r",stdin);
	//freopen("cowrun.out","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

	int t=1;
	//cin>>t;
	while(t--) {
        solve();
	}

    return 0;
}

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