#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define lld double
#define int ll
#define usaco(fname) freopen(#fname ".in","r",stdin);freopen(#fname ".out","w",stdout);
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
// const ll INF = 1e18;
const int INF = 1e9;
const int mod = 1e9+7;
const lld PI = acos(-1.0);
int di[] = {1, -1, 0, 0, 1, 1, -1, -1};
int dj[] = {0, 0, 1, -1, 1, -1, 1, -1};
#define debug(x) cout << #x << ": " << x << endl;
#define add(a, b) a += b, a %= mod
#define mul(a, b) ((a % mod) * (b % mod)) % mod
#define all(x) x.begin(),x.end()
#define info pair<int, int>
void solve() {
int n,m;cin>>n>>m;
priority_queue<info, vector<info>, greater<info>> pq;
vector<int> rate(n);
for (int i = 0; i < n; i++) {
cin >> rate[i];
pq.push({i, rate[i]});
}
vector<int> w(m+1);
for (int i = 1; i <= m; i++) cin >> w[i];
vector<int> pos(m+1, -1); // current space
queue<int> q;
int ans = 0;
for (int i = 0; i < 2*m; i++) {
int tmp;cin>>tmp;
if (tmp > 0) {
if (!pq.size()) q.push(tmp);
else {
auto [idx, rt] = pq.top();pq.pop();
pos[tmp] = idx;
ans += rt * w[tmp];
}
} else {
tmp *= -1;
int prevpos = pos[tmp];
pq.push({prevpos, rate[prevpos]});
if (q.size()) {
auto [idx, rt] = pq.top();pq.pop();
int nextcar = q.front();q.pop();
// debug(nextcar);
pos[nextcar] = idx;
ans += rt * w[nextcar];
}
}
// debug(ans);
}
cout << ans << endl;
}
int32_t main() {
ios_base::sync_with_stdio(0);cin.tie(0);
int t=1;
while(t--) solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |