#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 1000000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int r[102],w[2001],asign[2001];
set<int> myset;
int main(){
boost;
int n,m,a;
cin>>n>>m;
for (int i = 0; i < n; ++i)
cin>>r[i],myset.insert(i);
for (int i = 0; i < m; ++i)
cin>>w[i];
ll ans=0LL;
//debug(2*m);
queue<int> q;
for (int i = 0; i < 2*m; ++i)
{
//debug(ans);
cin>>a;
//debug(a);
if(a<0){
myset.insert(asign[(-a)-1]);
//continue;
}
while(!myset.empty()&&!q.empty()){
auto it=myset.begin();
asign[q.front()-1]=*it;
ans+=w[q.front()-1]*(r[*it]);
myset.erase(it);
q.pop();
}
if(a<0)continue;
if(myset.empty()){
q.push(a);
//debug(q.size());
continue;
}
auto it=myset.begin();
asign[a-1]=*it;
ans+=w[a-1]*(r[*it]);
myset.erase(it);
}
cout<<ans;
return 0;
}
//long long
//array bounds
//special cases
//binary search
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |