Submission #363475

#	Time	Username	Problem	Language	Result	Execution time	Memory
363475		silverfish	Hotel (CEOI11_hot)	C++14	10 / 100	4069 ms	54368 KiB

hot

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

/*<DEBUG>*/
#define tem template <typename 
#define can_shift(_X_, ...) enable_if_t<sizeof test<_X_>(0) __VA_ARGS__ 8, debug&> operator<<(T i)
#define _op debug& operator<<
tem C > auto test(C *x) -> decltype(cerr << *x, 0LL);
tem C > char test(...);
tem C > struct itr{C begin, end; };
tem C > itr<C> get_range(C b, C e) { return itr<C>{b, e}; }
struct debug{
#ifdef _LOCAL
	~debug(){ cerr << endl; }
	tem T > can_shift(T, ==){ cerr << boolalpha << i; return *this; }
	tem T> can_shift(T, !=){ return *this << get_range(begin(i), end(i)); }
	tem T, typename U > _op (pair<T, U> i){ 
		return *this << "< " << i.first << " , " << i.second << " >"; }
	tem T> _op (itr<T> i){
		*this <<  "{ ";
		for(auto it = i.begin; it != i.end; it++){
			*this << " , " + (it==i.begin?2:0) << *it;
		}
		return *this << " }";
	}
#else
tem T> _op (const T&) { return *this; }
#endif 
};

string _ARR_(int* arr, int sz){
	string ret = "{ " + to_string(arr[0]); 
	for(int i = 1; i < sz; i++) ret += " , " +  to_string(arr[i]);
	ret += " }"; return ret;
}

#define exp(...) " [ " << #__VA_ARGS__ << " : " << (__VA_ARGS__) << " ]"
/*</DEBUG>*/

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<int, int> pii;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

#define pb push_back
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define TC int __TC__; cin >> __TC__; while(__TC__--)
#define ar array

const int INF = 1e9 + 7, N = 5e5;

int n, m, o;
ar<int,2> room[N], 				offer[N];
//size room, cost room, size offer, cost offer
set<ar<int,2>> rooms;
vector<int> profit;

int main(void)
{
	FAST;
	cin >> n >> m >> o;
	for(int i = 0; i < n; ++i){
		cin >> room[i][1] >> room[i][0];
		rooms.insert(room[i]);
	}
	for(int i = 0; i < m; ++i) cin >> offer[i][1] >> offer[i][0];

	sort(offer, offer+m, [](const ar<int,2> &a, const ar<int,2> &b){
		if(a[0] == b[0]) return a[1] > b[1];
		return a[0] < b[0];
	});

	for(int i = 0; i < m; ++i){
		auto it = rooms.lower_bound({offer[i][0], 0});	
		debug() << exp(offer[i]) exp(*it);
		int cur_profit = offer[i][1] - (*it)[1];
		if(cur_profit > 0){
			profit.pb(cur_profit);
			rooms.erase(it);
		}
	}

	ll ans = 0;
	sort(profit.rbegin(), profit.rend());

	for(int i= 0; i < min(o, (int)profit.size()); ++i){
		ans += 1LL * profit[i];
	}
	cout << ans << '\n';


	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10