Submission #1031674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1031674		ezzzay	Garage (IOI09_garage)	C++14	100 / 100	1 ms	444 KiB

garage

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define int long long
const int N=3e5+5;
int pr[N];
int w[N];
int pos[N];
int arr[N];
signed main(){
   int n,m;
   cin>>n>>m;
   for(int i=1;i<=n;i++){
       cin>>pr[i];
   }
   for(int i=1;i<=m;i++){
       cin>>w[i];
   }
   set<int>st,ts;
   for(int i=1;i<=n;i++){
       st.insert(i);
   }
   queue<int>q;
   int ans=0;
   for(int i=0;i<2*m;i++){
       int h;
       cin>>h;
       if(h>0){
           q.push(h);
       }
       else{
            h*=-1;
            st.insert(pos[h]);
            pos[h]=0;
       }
       while(!q.empty() and st.size()>0){
            int h=q.front();
            q.pop();
            int x=*st.begin();
            st.erase(st.begin());
            ans+= w[h]*pr[x];
            pos[h]=x;
       }
       
   }
   cout<<ans;
}

• Subtask 1: 100 / 100