Submission #74490

#	Time	Username	Problem	Language	Result	Execution time	Memory
74490		JustInCase	Garage (IOI09_garage)	C++17	100 / 100	4 ms	856 KiB

garage

#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

const int32_t MAX_N = 100;
const int32_t MAX_M = 2000;

int32_t rates[MAX_N + 5], weights[MAX_M + 5], placeOf[MAX_M + 5];
set< int32_t > emptyPlaces;
queue< int32_t > waitingCars;

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

	int32_t n, m;
	cin >> n >> m;

	for(int32_t i = 0; i < n; i++) {
		cin >> rates[i];
		emptyPlaces.insert(i);
	}

	for(int32_t i = 0; i < m; i++) {
		cin >> weights[i];
	}
	
	int32_t ans = 0;
	for(int32_t i = 0; i < 2 * m; i++) {
		int32_t ind;
		cin >> ind;

		if(ind < 0) {
			ind = -ind;
			emptyPlaces.insert(placeOf[ind]);

			if(!waitingCars.empty()) {
				int32_t ind = waitingCars.front();
				waitingCars.pop();
				placeOf[ind] = *emptyPlaces.begin();
				emptyPlaces.erase(emptyPlaces.begin());
				ans += rates[placeOf[ind]] * weights[ind - 1];
			}
		}
		else {
			if(!emptyPlaces.empty()) {
				placeOf[ind] = *emptyPlaces.begin();
				emptyPlaces.erase(emptyPlaces.begin());
				ans += rates[placeOf[ind]] * weights[ind - 1];
			}
			else {
				waitingCars.push(ind);
			}
		}
	}

	cout << ans << endl;
}

• Subtask 1: 100 / 100