#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();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2508 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2392 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |