Submission #1062289

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062289		Braulinho	Garage (IOI09_garage)	C++14	100 / 100	1 ms	2508 KiB

garage

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

const int mod = 998244353;
const int maxn=200005;
 
int n,m,R[maxn],W[maxn],c[maxn];
bool activador[maxn];
queue<int> q;
 
void solve(){
    cin >> n >> m;

    for(int i = 1; i <= n; i++) {
        cin >> R[i];
    }

    for(int i=1;i<=m;i++) {
        cin >> W[i];
    } 

    int ans =0;
    for(int i = 1; i <= 2 * m; i++) {
        int a;
        cin >> a;

        if(a > 0) {
            q.push(a);
        } else{
            activador[-a] = true;

            for(int i = 1; i <= n; i++) {
                if(c[i] == -a) {
                    c[i]=0;
                } 
            } 
        }

        while(!q.empty()){
            int p = 0;
            for(int i = n; i >= 1; i--) {
                if(!c[i]) {
                    p = i;
                }
            }

            if(!p) {
                break;
            }

            int u = q.front();
            q.pop();
            ans += W[u] * R[p];
            if(!activador[u]) {
                c[p]=u;
            }
        }
    }
    
    cout << ans << endl;
}
 
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.setf(ios::fixed);
    cout.precision(10);

    int t = 1;
    while(t--) {
        solve();
    }
}

• Subtask 1: 100 / 100