Submission #1265803

#	Time	Username	Problem	Language	Result	Execution time	Memory
1265803		canhnam357	Cloud Computing (CEOI18_clo)	C++20	100 / 100	224 ms	1096 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define MASK(i) (1LL << (i))
const int MAXN = 1e5 + 5;
const int inf = 1e18;
const int block = 320;
struct pc
{
	int c, f, v;
	void in()
	{
		cin >> c >> f >> v;
	}
	bool operator<(pc o) const
	{
		return f > o.f;
	}
};
int32_t main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n, m;
	vector<pc> b, s;
	cin >> n;
	b.resize(n);
	int sum = 0;
	for (auto& x : b) x.in(), sum += x.c;
	cin >> m;
	s.resize(m);
	for (auto& x : s) x.in();
	sort(b.begin(), b.end());
	sort(s.begin(), s.end());
	vector<int> dp(sum + 1, -inf);
	dp[0] = 0;
	int cur_sum = 0;
	for (int i = 0, j = 0; i < m; i++)
	{
		while (j < n && b[j].f >= s[i].f)
		{
			cur_sum += b[j].c;
			for (int k = cur_sum; k >= b[j].c; k--)
			{
				dp[k] = max(dp[k], dp[k - b[j].c] - b[j].v);
			}
			j++;
		}
		for (int k = s[i].c; k <= cur_sum; k++)
		{
			dp[k - s[i].c] = max(dp[k] + s[i].v, dp[k - s[i].c]);
		}
	}
	cout << *max_element(dp.begin(), dp.end());
	return 0;
}

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