#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int n;
  cin >> n;
  vector<ll> a(n);
  rep(i, n) cin >> a[i];
  vector b(n, vector<ll>(n));
  rep(i, n) rep(j, n) cin >> b[i][j];
  pair<ll, int> ans = { -1e18, 0 };
  rep(bit, 1 << n) {
    if (bit == 0) continue;
    ll sum = 0;
    rep(i, n) {
      if (bit & (1 << i)) sum += 2 * a[i];
    }
    rep(i, n) rep(j, n) {
      if ((bit & (1 << i)) && (bit & (1 << j))) sum += b[i][j];
    }
    if (sum / 2 > ans.first) ans = { sum / 2, bit };
  }
  cout << ans.first << endl;
  rep(i, n) if (ans.second & (1 << i)) cout << i + 1 << ' ';
  cout << endl;
  return 0;
}