Submission #539462

#	Time	Username	Problem	Language	Result	Execution time	Memory
539462		MurotY	Garage (IOI09_garage)	C++14	40 / 100	3 ms	472 KiB

garage

#include <bits/stdc++.h>
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ff first
#define ss second
#define ll long long
using namespace std;
const int N=1e6+7, M=1e9+7;
ll a[N], b[N];
void solve()
{
	ll n, m;
	cin >> n >> m;
	
	for (int i=1;i<=n;i++) cin >> a[i];
	for (int i=1;i<=m;i++) cin >> b[i];
	
	map <ll,ll> mp, mp1;
	deque <ll> v;
	ll ans=0;
	for (int i=1;i<=2*m;i++){
		ll x;
		cin >> x;
		if (x > 0){
			bool ok=0;
			for (int i=1;i<=n;i++){
				if (mp[i] == 0) {
					mp[i]=1;
					ans+=a[i]*b[x];
					mp1[x]=i;
					ok=1;
					break;
				}
			}
			if (ok == 0) v.push_back(x);
		}
		else {
			if (v.size() == 0) mp[mp1[-x]]=0;
			else {
			     ans+=a[mp1[-x]]*b[v[0]];
			     v.pop_front();
			}
		}
	}
	cout << ans;
}
int main()
{
	ios;
	int t=1;
//	cin >> t;
	while (t--){
		solve(); 
		cout << "\n";
	}
	return 0;
}

• Subtask 1: 40 / 100