Submission #531506

#	Time	Username	Problem	Language	Result	Execution time	Memory
531506		bonk	Garage (IOI09_garage)	C++14	5 / 100	2 ms	460 KiB

garage

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){
    int n, m; cin >> n >> m;
    ll r[n + 1], w[m + 1];
    vector<int>tmp(n + 1);
    priority_queue<int, vector<int>, greater<int>>pq;
    queue<int>q;

    for(int i = 1; i <= n; i++){
        cin >> r[i];
        pq.push(i);
    }

    for(int i = 1; i <= m; i++) cin >> w[i];

    ll ans = 0;

    for(int i = 0; i < 2*m; i++){
        int x; cin >> x;

        if(x > 0) q.push(x);

        int now = (q.empty()) ? 0 : q.front();
        
        if(x < 0){
            pq.push(tmp[-x]);
        }

        if(now > 0 && !pq.empty()){
            tmp[now] = pq.top();
            ans += r[pq.top()] * w[now];
            pq.pop();
            q.pop();
        } 
    }

    cout << ans << endl;

    return 0;
}

• Subtask 1: 5 / 100