Submission #1272818

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272818		whatisdp	Garage (IOI09_garage)	C++17	100 / 100	1 ms	576 KiB

garage

#include<bits/stdc++.h>
using namespace std;
vector<int> weight,cars_to_lot,vr;
priority_queue<int, vector<int>, greater<int>> pq;

int n,m;
queue<int> wait_queue;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin>>n>>m;

    vr.resize(n);
    for(auto &r:vr) cin>>r;

    for(int i=0;i<n;i++) pq.push(i);
    weight.resize(m);
    for(auto &w:weight) cin>>w;
    cars_to_lot.resize(m, -1);

    int money=0;

    for(int i=0;i<2*m;i++) {
        int x;cin>>x;
        if (x>0) {
            if (pq.empty()) wait_queue.push(x);
            else {
                int lot=pq.top();
                pq.pop();
                cars_to_lot[x-1]=lot;
                money+=vr[lot]*weight[x-1];
            }
        } else {
            x*=-1;
            pq.push(cars_to_lot[x-1]);
            if (!wait_queue.empty()) {
                pq.pop();
                int lot_to_use = cars_to_lot[x-1];
                int x = wait_queue.front();
                cars_to_lot[x-1]=lot_to_use;
                money+=vr[lot_to_use]*weight[x-1];
                wait_queue.pop();
            }

            cars_to_lot[x-1]=-1;
        }
    }

    cout<<money;
}

• Subtask 1: 100 / 100