#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define INF 1e18//change to const int INF=1e18 if causing problem
const ll MOD=998244353;
const ll alt=1e10;
const ll inf=1e9+7;//Precalc is not a bad idea
//#define int ll
#define pb push_back
#define pf push_front
#define mp make_pair
#define fi first
#define se second
#define mod(a) (a+inf)%inf
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(a) a.size()
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
/* run this program using the console pauser or add your own getch, system("pause") or input loop*/
int32_t main(){
std::ios_base::sync_with_stdio(false);
// cin.tie(0)->sync_with_stdio(0);
int n,m;
cin>>n>>m;
set<int> s;
map<int,int> mm;
map<int,int> M;
vector<int> a(n);
vector<int> b(m);
queue<int> q;
s.clear(),mm.clear(),M.clear();
for(int i=0;i<n;i++){
cin>>a[i];
M[i]=a[i];
s.insert(i);
}
for(int i=0;i<m;i++){
cin>>b[i];
}
int ans=0;
for(int l=0;l<2*m;l++){
int x;
cin>>x;
if(x>0){
if(s.size()>0){
int y=*s.begin();
ans+=((M[y])*b[x-1]);
mm[x]=y;
s.erase(y);
}else q.push(x);
}else{
x=abs(x);
int y=mm[x];
s.insert(y);
if(!q.empty()){
int a=q.front();q.pop();
int y=*s.begin();
ans+=((M[y])*b[a-1]);
mm[a]=y;
s.erase(y);
}
}
}
cout<<ans<<endl;
return 0;
}
//Icebear16
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
356 KB |
Output is correct |
18 |
Correct |
2 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
2 ms |
340 KB |
Output is correct |