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Submission #546326

# Submission time Handle Problem Language Result Execution time Memory
546326 2022-04-07T09:20:21 Z blue Hotel (CEOI11_hot) C++17
20 / 100
 598 ms 39428 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
using namespace std;

using ll = long long;
using vll = vector<ll>;
using pll = pair<ll, ll>;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n, m, o;
	cin >> n >> m >> o;

	multiset<pll> rooms; //(capacity, upkeep)

	for(int i = 1; i <= n; i++)
	{
		ll c, p;
		cin >> c >> p;

		rooms.insert({p, c});
	}

	vector<pll> offers(m); //(capacity requirement = first, gain = second)
	for(int j = 0; j < m; j++)
	{
		cin >> offers[j].second >> offers[j].first;
	}

	sort(offers.begin(), offers.end(), [] (pll U, pll V)
	{
		return U.second > V.second;
	});

	ll res = 0;

	int accepted = 0;

	for(pll z : offers)
	{
		if(accepted == o) break;

		ll capreq = z.first;
		ll gain = z.second;

		auto f = rooms.lower_bound({capreq, -1});

		if(f == rooms.end()) continue;

		if(gain > f->second)
		{
			res += gain - f->second;
			accepted++;
		}
		
		rooms.erase(f);
	}

	cout << res << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 980 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 33 ms 3336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 5740 KB Output is correct
2 Incorrect 62 ms 5264 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 15948 KB Output is correct
2 Incorrect 99 ms 9628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 488 ms 31492 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 598 ms 39428 KB Output isn't correct
2 Halted 0 ms 0 KB -