Submission #1368562

#	Time	Username	Problem	Language	Result	Execution time	Memory
1368562		hahaha	Subset Mex (EGOI22_subsetmex)	C++20	100 / 100	2 ms	344 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
const int N=58;
int n,t;
signed main(){
    cin>>t;
    vector<int>f;
    while (t--) {
        cin>>n;
        vector<int> nado;
        nado.pb(0);
        for (int i=0; i<n; i++) {
            nado.pb(1LL<<i);
        }
        reverse(nado.begin(), nado.end());
        for (int i=0; i<n; i++) {
            int x;
            cin>>x;
            f.pb(x);
        }
        int ans=1LL<<n;
        for (int i=n-1; i>=0; i--) {
            f[i]=min(f[i],nado[i]);
            if(f[i]){
                for(int j=i-1; j>=0; j--)
                    nado[j]-=f[i]<<(i-j-1);
            }
            ans-=min(f[i],nado[i])<<i;
        }
        cout<<ans<<endl;
        f.clear();
    }
}

• Subtask 1: 5 / 5
• Subtask 2: 17 / 17
• Subtask 3: 7 / 7
• Subtask 4: 9 / 9
• Subtask 5: 20 / 20
• Subtask 6: 9 / 9
• Subtask 7: 10 / 10
• Subtask 8: 23 / 23