#include<bits/stdc++.h>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

int N;
LL dp[1<<18];

int main() {
  cin>>N;
  rep(i,1<<N) dp[i]=0;
  rep(i,N){ int a; cin>>a; dp[1<<i]=a; }
  rep(i,N) rep(j,N){ int b; cin>>b; if(i<j) dp[(1<<i)|(1<<j)]=b; }
  rep(i,N) rep(j,1<<N) if(~j&(1<<i)) dp[j|(1<<i)]+=dp[j];
  pair<LL,int> ans={0,0}; rep(i,1<<N) ans=max(ans,{dp[i],i});
  cout<<ans.first<<endl;
  vector<int> L; rep(i,N) if((ans.second>>i)&1) L.push_back(i+1);
  rep(i,L.size()){ if(i) cout<<" "; cout<<L[i]; } cout<<endl;
  return 0;
}